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SERVICE MANUAL

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1. OEELA Len 12 1 August 2001 WorkCentre Pro 412 Launch Issue Schematic Diagrams 2 of 14 ircuit Diagram 2 Main Ci 12 3 MIME 1862 oc Ren reg ECL odo 23995 SE EM CNHI 5 4 HSV 13 LA A31NI239N lt 113538 44 J3HVN 1301 8093 JEZ HY 2302 9008 46ZHV Mam Jan gus ani ims a HE Joue m xr JEST esu IST RS UNS 2 912592 8221 Ws na Mr Ie Mo andis so E Gr NA COO 0 w EE me 3 2 120 5 S sz e gg ma am E ME gt glie MY HSYTATANU 1 80 50 ape LL LBOSHM n um s S 2 GAYA anb Tu Fg HET 90 rr 510 si E sin If ESA 10161000 304 mE 01 98 43 38347 45 ansa 280 EQDEFSZNY 330 3098 46288 4088 E 7 Jana an El s LI 084 307 gar kW Em EE
2. Engine Power Read 112 nEPRDY RxDO PHIL ST Uart 0 Rx Data Command Busy 113 nCBSY 00 4 mA Uart 0 Tx Data 114 nEMSG sei s Eng Message PWM 1 PHBLT4 ST 4mA 115 nEBSY nlsuReady Eng Busy LSU Ready PHIL ST 116 nCMSG PWMZ H Com a PWM 2 PHOB4 4 mA 118 nDRAMCASo o DRAM Cas Strobe 0 PHOB8 8 mA 119 nDRAMCASI lt DRAM Cas Strobe 1 120 2 o DRAM Cas Strobe 2 5 6 August 2001 WorkCentre Pro 412 Launch Issue Circuit Description Cw NE TION _ __ We sv Lus o TT NE wmm _ xe 0 nan fas soboa Cw m mI TI pw 1 C Ce 615 comes Dw ww ol mum 1 m 65 wwe io ET TT SN 0 2 pievi pe ves T Ce mum 65 mamas 00 00 ww ora owe ef 01 s WorkCentre Pro 412 August 2001 9 7 Launch Issue Circuit Description N EN DRAMD22 10 DRAMD27 10 0 Pin Name VO Reset Value Description PAD 5 8 August 2001 WorkCentre Pro 412 Launch Issue Circuit Description mime 6 o fo TT
3. 8 28 August 2001 WorkCentre Pro 412 Launch Issue 8 12 1 Main Frame Ass y Parts List Exploded View amp Parts List No DESCRIPTION SEC CODE Q TY REMARK 1 ELA HOU FRAME MAIN ASS Y 600N01743 1 1 1 PMO HOUSING TERMINAL 1 1 2 IPR TERMINAL BLADE 2 1 3 IPR TERMINAL SUPPLY 2 1 4 IPR TERMINAL TR 1 1 5 IPR TERMINAL GND 1 1 6 IPR TERMINAL DEVE KEY 2 NOT SPARED 1 7 CBF HARNESS MAIN DEV_KEY 1 NOT SPARED 1 8 CBF HARNESS HVPS OUTPUT FRAME 5 NOT SPARED 1 9 CBF HARNESS MAIN THV 1 NOT SPARED 1 10 CBF HARNESS MAIN MHV 1 NOT SPARED 1 11 PMO FRAME MAIN 1 1 12 PMO LENS TONER SENSOR 2 1 13 IPR GND EXIT 1 1 14 IPR GND OPC 1 1 15 IPR GND OPC BASE 1 1 16 IPR GND FUSER 1 1 17 IPR GUARD C O S W 1 1 18 IPR GND TERMINAL 1 1 19 HARNESS FUSER 2PIN 550mm 1 NOT SPARED 1 20 CBF HARNESS SWITCH MICRO 110N01041 2 1 21 CBF HARNESS MOTOR 1 1 22 PBA SUB EXIT SENSOR 130N01205 1 1 23 PBA SUB TONER_RX 130N01208 1 1 24 GEAR EXIT U ID 3 1 25 GEAR EXIT IDLE Z17 2 1 26 CBF HARNESS THERMISTOR JOINT 011N00463 1 1 27 PMO HOUSING TERMINAL 116N00227 1 1 28 IPR TERMINAL FU 2 1 29 PMO CAP CONNECTOR L 113N00364 1 1 30 PMO CAP CONNECTOR U 113N00365 1 1 31 CBF HARNESS RESISTOR ASS Y 100Mohrn 1 1 32 SPRING CLUTCH 2 1 33 RING CS 5 S NUT HEXAGON 2 S SCREW TAPPI
4. 12 1 12 2 Main Circuit Diagram 2 of 14 12 2 12 3 Main Circuit Diagram 3 of 14 12 3 12 4 Main Circuit Diagram 4 of 14 12 4 12 5 Main Circuit Diagram 5 of 14 12 5 12 6 Main Circuit Diagram 6 of 14 12 6 12 7 Main Circuit Diagram 7 0 14 12 7 12 8 Main Circuit Diagram 8 of 14 12 8 12 9 Main Circuit diagram 9 of 14 12 9 12 10 Main Circuit Diagram 10 of 14 12 10 12 11 Main Circuit Diagram 11 of 14 12 11 12 12 Main Circuit Diagram 12 of 14 12 12 12 13 Main Circuit Diagram 13 of 14 12 13 12 14 Main Circuit Diagram 14 of 14 12 14 12 15 LIU Circuit 12 15 12 16 OPE Circuit 12 16 12 17 HVPS Circuit Diagram 1 of 2 12 17 12 18 Circuit Diagram 2 of 2 12 18 12 19 SMPS 110 Circuit Diagram 12 19 12 20 SMPS 220 Circuit 12 20 12 21 ADF Circuit 12 21
5. gt m pe e Analog Input 0 PICA Analog Input 1 60 AVssAVin 2 5 4 August 2001 Analog Input 2 PICA WorkCentre Pro 412 Launch Issue Circuit Description Cw mum o Resa vane FREM NMEEEENSE I s ener Cee aem Le Fa to eror Crain Lm wmm etm _ Cw 3 mme 01 02 m sumi o rame ponsen Prossa ma n w pw v e mes i n me o rnay Prose m u we o Pai on rei NE ma Cp ws T j Lm 01 Paro oa 0 PETER m e m a ow ww xv m m TEA Po m e gt amm st ve save m fw wu Fei Pon osa pement e emm _ ww we sw x e w TETAS m 01 71 I 10000 Le mox nes PES _ e sv 1 vat mows PES w o termos nome WorkCentre Pro 412 August 2001 5 5 Launch Issue Circuit Description N 9 9 9 9 9 9 9 9 9 1 1 1 1 1 1 1 1 D P swim cs o gt oma o0 057 On Pon dm 1 Eme _ um 1 een meme i ros gt w fe vwe x __ wow e w 3v nLSYNC Re Line a a ue 0 N Q co
6. ww 0 armes vs e vee 2227 wa __ t Ona ates aso PORA www m www o TT Lis s _ mes 01 CEA ie ws o muopse2 a www o TEE pe gt 7 mr Cm w vo m o Mime us 2 ROM PERRA Lm o Aedes us aero m m o 0 8 __ ve _ o t Mime Gu sinon er wm o Meer 3 0 Lm m o Mese us rere WorkCentre Pro 412 August 2001 5 9 Launch Issue Circuit Description pe el __ 2 Address Bus 12 for ROM 7 Ae o Address Bus 13 for ROM Ns A Address Bus 14 for ROM 2 212 21 214 D 28 9 CHEN w fe sma a A Address Bus 16 for ROM Sil Address Bus 17 for ROM Address Bus 18 for ROM Address Bus 19 for ROM PHOB8 8 mA Address 20 for ROM dle Address Bus 21 for ROM of Address Bus 22 for ROM sees mano 33 x m Test Mode Tied to Gnd 231 235 MCLK FILTER CPUTEST 239 nRESET 240 nRSTOUT 5 10 1 Master Clock PHIC 3 3 V Gnd Charge Pump Out Capacitor is connected CPU Test Mode Tied to Gnd Reset Input Reset Output August
7. sv W340733AD3 e TINA NISITIDU by lo EY 27 21 39 L 03340 a 11230 bo ben 059010 WorkCentre Pro 412 August 2001 12 10 Launch Issue Schematic Diagrams 11 of 14 ircuit Diagram 12 11 Main C 24440101 Yo Es bled 8915 HT gt 2 39025 pee i y 5 85 3902 285559629 Tai DIES gt BOI 1285 YL 912182982 z 6 Eo BvdLSNL s au leise Ela E a vd 2 Li EN suppl APA ni 12 11 August 2001 WorkCentre Pro 412 Launch Issue Schematic Diagrams 12 of 14 it Diagram 12 12 Main C E soguny i NYJS LA AJ INIA ZA JjAVN anal I HS BENG 165473401 34c pem L 2252 19337474091 5 E ay Ea an E 130
8. tr Me 900 8 v kopl ASL AS 12 17 August 2001 WorkCentre Pro 412 Launch Issue Schematic Diagrams 2 of 2 it Diagram 12 18 HVPS 1050 SOT XHUNI 1052 SPENT 6 Sora ANT Ll Lex 622 1 aaro 8002 ANT IEA AMOUL wee E SOL E gt s A 80LV amour 5050 pled STO v p AMF 089 pcs AST auod gory z gt 9 lt Lore INOS I 1 ad iex oco 8I4 0NOO STEN lt VIAHL 2 y A 80LV vez 2 AXP 7 1050 1 y i 900 0 Vx Foca 1052 ASI IMI E T EUNOO 5 4 lt AS ASL ASS SPIPNT DAOC Mos Tee Mos eg Lio SFTPNT ABL PAE ZI TOT Toro ANOT MTANDA METAS app We TICA 0 EUN Die 0 ver 5 2 A ROLV LOPL E 1020 3 Lup AN9 808 5 ev or ATA ANOS IHCONOD TAT ANE odora WANT a 5 4 055 T 200 oi WAHL 2070 TOTA ANS TM an TLF AM9 ANI Hb ASI 8020 9029 SAFC WorkCentre Pro 412 August 2001 12 18 Launch Issue Schem
9. 6 1 6 2 Rear DIV A a 6 1 6 3 Scanner Assembly 6 2 6 4 ADF 6 5 6 5 OPE Assembly ume f 6 6 6 6 Side Cover Assembly 6 7 0 7 Fuser Assembly vie he weet he re ker SEU bep MC DERE ES 6 9 6 8 Exit Assembly lnc Ge ee sas 6 10 6 9 Cover Paper Exit Assembly 6 11 6 10 Drive Assembly 6 12 6 14 5 diia der dre 6 13 GAZ ESU u a au gua A chai E u Eak uywa saa a eye 6 13 6 13 Main Frame Assembly 6 14 6 14 Cover Exit 6 14 6 15 MP Assembly ze Ln iu eer Re e E Rh ERO 6 15 6 16 Feed Assembly 6 16 6 17 Pick Up Assembly 6 16 6 18 Main PBA u ALIA LIA ea 6 17 WorkCentre Pro 412 August 2001 TOC 1 Launch Issue Table of Contents 7 Maintenance amp Troubleshooting 7 1 7 1 Preventative Maintenance 7 1 7 2 DIAQNOSUCS irc ir a pee aos eae bo dae 7 1 7 9 S Canne 12 eR ase pe tes S Ace 7 9 AER eem 7 12 7 5 Print Qualily iore pre tica 7 13 4 6
10. 90 lt 7 i _ 3 056 20252 19 opone AU Xa W3QUM D gt Schematic Diagrams 3 is AQOPAIUSL 11 BJ 2 0 8 i y E gt A 1 j Sr LE E 7 amp W3UDAL so az 8558 2587 iagram Ar NOST tD NOLLdO IS IV 1 3811852 Lid 40 z 08 825978 Glas 50 MASTO HL QT We _ 19 128 ui 3 X17 mam L VX L7 W3OOHE AN Hogg d 2114 W300H lt 34 voL SNI 512 4 T Hi 5 12 15 LIUC 12 15 August 2001 WorkCentre Pro 412 Launch Issue Schematic Diagrams it Diagram 12 16 8 LA JjAVN ANVdWOO 3409 50 vn en 20 B538F1H LI FIR
11. Check the gap between original and scanner glass A gap greater than 0 5mm can cause a blurred image Check printing quality See Print troubleshooting WorkCentre Pro 412 Launch Issue August 2001 7 9 Maintenance amp Troubleshooting PROBLEM ITEMS TO BE CHECKED HOW TO SOLVE Abnormal noise Check the scanner glass and any mechanical disturbance Check the scanner glass is cor rectly located and clean check that the CCD carriage moves smoothly Check the motor driver in Driver PBA If any driver is defective replace the main PBA U55 or U55 1 15 to 24V swing signal when operating 7 10 August 2001 WorkCentre Pro 412 Launch Issue 7 3 2 PC Scan Maintenance amp Troubleshooting PROBLEM ITEMS TO BE CHECKED HOW TO SOLVE Scanning error Check the printer cable Check correct installation and use standard IEEE1284 cable Check how TWAIN driver is installed Remove any other scanner driver Reboot after reinstallation of the TWAIN driver Check harness contact Check CN14 contact in Main PBA e Check the IEEE 1284 signal level If any signal level is defective install a new Main PBA 036 66 74 in Main PBA 0 8V to 2 4V TTL signal f necessary install a new PBA MAIN MAIN PL 1 19 Defective image quality Check shading profile Rem
12. machine J has been in a severely Maintenance amp Troubleshooting CA While IS Place the machine at normal temperature and re test the voltage of pin 60 Thermistors NO A 0fU36 CPU on Main dc contacts OK PBA is 2 6V X Pd YES YES lt Replace the thermistor ye A Open the top cover When black NO Check if the pressure roll spring force is OK spring s force 3 Kg lt printing is fuser NIP gt width 3 0 N 35mm SE YES The paper used is too thick or contains too much cotton gt Re test with the recommended paper August 2001 7 29 Maintenance amp Troubleshooting 7 6 Malfunction Error Status Check Solution No power 1 Check the power supply to the 1 If power supply differs from machine spec machine contact the dealer 2 Check fuse F1 open 2 Install a new fuse F1 Fuser Error 1 Thermostat open 1 Detach AC connector and test for an open 2 AC wire open circuit across thermostat if necessary install a 3 Thermistor wire open new thermostat 4 Main PBA 2 Install new wiring 3 Install new wiring 4 Install a new Main PBA Cover open 1 Check the lever is pressed when the 1 2 and 3 Open top cover and press the top cover is closed lever If CPU detects cover close check for 2 Micro switch s contact mechanical problem in top c
13. 380818 442 LIN ddu NITIS ddu L gt DJOLNY dd 08 83 OH 19373873W AS087 2H 95989998 lt LAS 39v CL DI Add WorkCentre Pro 412 August 2001 12 6 Launch Issue ri io sanu ouneug Lian LACA INIA DO 817180256 25 25 25 28 som JD MIS HS 19437 gt SOT LAS BAN 7910180036 a gag d Schematic Diagrams 13313C 310904 133 W300Nu Tias I9 4 30v 1307 47 30 047 4 309 719 1087 209 11171001914 317312 31923 HSS TA AU 112 9439 33207 1914 2104 1104 9104 38087031 qam 2 97713431 5p i TUNOZESLAL 44 and 30v NY33 11 SOIL 107 RY 3989 98 gt GNT 3097 NY 3717487057 4537009 87 gua 9 11 811 RAI aksa 2 049 B35 yi 6001313 3852 a ddr 2 0 80 gt 3 Bas Te i LI EMO uas HS A3 3952 8 396 Eur EJ BED La PIO was dJ anao Em dpud _ SU nas 1547390 TINO mm fune 2 089 em Ei
14. 905 30023 23359028 3DEU 412825050 be YHd JUV NYJS RI VI AL GODITI ago au UVOLSNI V 75158 2 H T CAUZEOHAELIA cn GD8I WL 2802 E0HAb LIN e 76 CLOVI 309 NYJS GNI ML 200ZE0HAb LOR 1 11 O OFT WL E 301 Obed main ABv337u lt ANIA EZ CLOSI 407 5 0 81 307 NYIS 60091 30v NY2S 719710471494 MINSI 0490 81 8121824052 2GUZEOHAP LIM b en 12817430 ZHOPEOHAb twn COSI 10 2a ZEJHAE een CIVI 4409 280 03917409 du DEI CAT 30v NYIS g 107917209 NUS CLIVITSO ONVIS 82417 309 NOS 113 LOW 40 J090P9H gt L09 214 Jesu 9988 2 22 Spa XI 11 5 130 518180 ODA 3 cn NO qu Et zl ansa nag E epee SEES INASHU kebe M Wel 57bLHO z AS 10 5 eet MIS RARE pl Pn ER d WorkCentre Pro 412 August 2001 12 8 Launch Issue ias 2 _W300N LA AJ INL AIN 012 SAVN_ ANY ANOS xa Vai IN 0499 Schematic Diagrams migo 530218 soguny Wy EE Ta
15. CN7 8 gt LREADY Signal NO Install a new LSU ut is good C 7 Check Main PBA CNT lt NO LDON Signal P Install a new Main PBA The signal 7 C1 YES Cheo Main CN7 1 NO lt HSYNC Signal gt Install a new LSU The signal is good 2200 YES END 7 36 August 2001 WorkCentre Pro 412 Launch Issue Exploded View amp Parts List 8 Exploded View amp Parts List 8 1 Main Exploded View amp Parts List WorkCentre Pro 412 August 2001 8 1 Launch Issue Exploded View amp Parts List 8 1 1 Main Parts List NO SEC CODE PART NAME QTY REMARK 1 ELA HOU SCANNER ASS Y 109N00585 1 1 1 ELA HOU ADF ASS Y 022N01482 1 1 2 ELA HOU PLATEN ASS Y 090N00151 1 1 3 PMO COVER OPEN 002N02002 1 1 4 PMO COVER SIDE L 002N02003 1 1 5 PMO COVER SIDE R 002N02004 1 1 6 PMO GUIDE PAPER 038N00370 2 2 MEA RACK COVER PA EXIT ASS Y 002N02013 1 2 1 PMO TRAY EXTENTION MP NE 050N00392 1 2 PMO COVER PAPER EXIT 002N02005 1 3 MEC CASSETTE ASS Y 050N00393 1 MEC CASSETTE ASSY A4 Size 050N00394 1 Europe 4 PMO COVER FRONT 002N02006 1 5 UNIT LSU 122N00207 1 6 PBA POWER SMPS US 105N01464 1 PBA POWER SMPS Europe 105N01465 1 7 113R0050
16. cu ve ree E ana 7 30 8 Exploded View 8 Parts List 8 1 8 1 Main Exploded View 8 Parts List 8 1 8 2 Platen Ass y Exploded View amp Parts 81 8 4 8 3 ADF 55 Exploded View 8 Parts 8 6 8 4 Side Cover Ass y Exploded View amp Parts List 8 10 8 5 Cassette Ass y Exploded View 8 Parts List 8 14 8 6 Exit Ass y Exploded View amp Parts 81 8 16 8 7 Feeder Ass y Exploded View amp Parts 51 8 18 8 8 MP Ass y Exploded View amp Parts List 8 20 8 9 Base Frame Exploded View 8 Parts 51 8 22 8 10 Pick up Ass y Exploded View amp Parts 8 24 8 11 Drive Ass y Exploded View amp Parts 51 8 26 8 12 Main Frame Ass y Exploded View amp Parts List 8 28 8 13 FuserAss y Exploded View 8 Parts List 8 30 9 Electrical Parts Lists Le C E 9 1 9 1 Main PBA eee mum we Eme Rd 9 1 10 Block Diagram sis eos aR ee Ve ee a 10 1 11 Connection 11 1 12 Schematic 12 1 12 1 Main Circuit Diagram 1 of 14
17. AE S120zWNN S 715 im 81 57 10 XL OH CIO Sm LAS 943 BAJA BIN IN 994 SIN 4937 9097 5041 037 097 eu 1031 0097 INIT SSA NY2S U 13070 80535 al 11516 5 SONO 3922 3922 3122 3 80 407097 907097 507097 EU 31 oleo 507097 07097 107091 007091 37097 071 sa UY EIN VON HALE L 39792 1050 jose 1 UNIX 0 3 8 0 Ux 139347 Sh bie OH 8 21 El 3 XML LOI t en F Cd sqa XL OH COD 1 21 WorkCentre Pro 412 August 2001 12 16 Launch Issue Schematic Diagrams 1 of 2 it Diagram 12 17 Anzi ASE 144129 zon SNZ AASL MZ HOW 2158 El OIN 1080 SE ANZL MZI LOI 20607 5054 20b2 digg Alddns TTT 089 AXZ SISY 9080 202 rosi SAPZ AOSE 0702 eee 1070 HE aon TE PEONOO AIOE SOM 089 ANZ ME lt 5073 WAid AHIN 795 AHIN 49001
18. 4 Components parts and wiring that appear to have overheated or are otherwise damaged should be replaced with Xerox spare parts Always determine the cause of damage or overheating and correct any potential hazards 5 Observe the original harness routing especially near sharp edges AC and high voltage power supplies Always inspect for pinched out of place or frayed wiring Do not change the spacing between compo nents and the printed circuit board 6 Product Safety Notice Some electrical and mechanical parts have special safety related characteristics which might not be obvious from visual inspection These safety features and the protection they provide could be lost if replacement component differs from the original This holds true even though the replacement may be rated for higher voltage wattage etc Lithium battery precautions The Main PWBA is provided with a lithium Cell designated BAT1 Observe the following precautions There could be a danger of explosion if the battery is subject to forced discharge or reverse voltage The battery must only be replaced with the same type The battery should only be replaced at a service centre not at a customer location The replacement battery must be the same type and manufacturer as the original Lithium batteries contain substances which are subject to control and should not be opened crushed or burned during disposal WorkCentre Pro 412 August 2001 1 3 Launch Issue Int
19. C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C173 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C174 1 C CERAMIC CHIP 1 00nF 80 20 25V Y5V TP 1608 2203 000189 C176 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 WorkCentre Pro 412 Launch Issue August 2001 Electrical Parts List Main PBA SEC CODE Q ty DESCRIPTION 2203 000189 C177 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C179 1 C CERAMIC CHIP 100nF 80 20 25V Y5 V TP 1608 2203 000189 C18 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C181 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C182 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C183 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C184 1 C CERAMIC CHIP 1 00nF 80 20 25V Y5 V TP 1608 2203 000189 C185 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C186 1 C CERAMIC CHIP 100nF 80 20 25V Y5 V TP 1608 2203 000189 C188 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C189 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C190 1 C CERAMIC CHIP 1 00nF 80 20 25V Y5V TP 1608 2203 000189 C192 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C194 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 220
20. THV ENVIRONMENT RECOGNITION CIRCUIT THVREAD FEED BACK Transfer Output Unit Block Diagram WorkCentre Pro 412 August 2001 5 29 Launch Issue Circuit Description MHV PWM SWITCHING REGULATION MHV CONTROL UNIT CIRCUIT CONTROL UNIT OPC FEEDBACK MHV Output unit Block Diagram BIAS PWM BLADE PWM REGULATION SWITCHING CONTROL UNIT CONTROL UNIT CIRCUIT SUPPLY FEEDBACK DEV BIAS Output Unit Block Diagram 5 30 August 2001 WorkCentre Pro 412 Launch Issue Circuit Description 5 5 7 4 MHV Electrification Output Enable Electrification Output Enable is the electrification output control signal PWM LOW ACTIVE When MHV PWM LOW signal is received Q401 turns on and the steady voltage will be accepted to the non inverting terminal of OP AMP 324 As the voltage higher than the inverting reference voltage of OP AMP which is set to R405 and R406 OP AMP output turns high This output sends IB to the TRANS auxiliary wire through current restricting resistance Q402 via R408 and C403 and Q402 turns on When the current is accepted to Q402 Ic increases to the current proportional to time through the T401 primary coil and when it reaches the Hfe limit of Q402 it will not retain the on state but will turn to off As Q402 turns off TRANS N1 will have counter electromotive force discharge energy to the secondary unit sends current to the load
21. The problem randomly occured due to the toner contamination Clean the machine The problem is caused by contamination on the charge roller gt Install a new developer unit and charge roller Toner leaks and toner material dropped onto the paper gt Install a new developer unit Clean the pressure roll and heat roll or install a new fuser 7 24 August 2001 WorkCentre Pro 412 Launch Issue Maintenance amp Troubleshooting Horizontal Band The OPC is damaged under the T d 179 NO NO lt Bend is discontinous gt D is about 95mm fm gt e around white band minutes gt If the same problem UM per s persists in 10 hours install VER new ELA OPC UNIT SET Problem of internal contacts in OPC gt nstall a new ELA OPC UNIT SET Y pe The black NO This occurs when no band has regular gt Hsyne at LSU interval gt Install a new LSU YES ZA Check the transfer voltage ae P NO CES Does it appear NO terminal contact and charge interval gt at every 8 at gt roller for damage if necessary specie PERS gt Install a new HVPS and or E MER E developer unit YES The OPC is damaged due to Heat roller is ruined the irregular transfer voltage Install a new heat roller of HVPS gt Install a
22. This page intentionally blank WorkCentre Pro 412 August 2001 1 14 Launch Issue Service Call Procedures 2 Service Call Procedures SCP 1 Initial Actions The Service Call Procedures section is used to identify a suspected problem with the machine Start a service call with Initial Actions and end with SCP 6 Final Actions Initial Actions are used to gather information of the machine performance Procedure Warning Switch off the power to the machine and disconnect the power cord from the outlet while performing tasks that do not need the electricity on Electricity can cause death or injury NOTE Ignore any references in this manual to options not installed on the machine NOTE If the machine is equipped with FAX do not service or interrupt power until the jobs in the FAX Queue are completed or the FAXs in the queue may be lost 1 Take note of symptoms error messages or error codes 2 Askthe operator to describe or demonstrate the problem 3 Ifthe problem is the result of incorrect operator action refer the operator to the user documentation 4 Make sure that a The power cord is connected to the wall outlet and to the machine b Documents are not loaded c Paper is loaded correctly and all paper trays and covers are closed d The telephone line cable is connected correctly between the line socket and the wall jack e The telephone line is good f Connection cable between the machine and any computer or computer
23. ZD201 20202 R214 680 472 144148 565 705V 2 2K 3332 390 388207 m 17 19 D301 18 5V 1N4148 R309 202K MA cao D304 8816 asoi SKWATODF 4KV U2 A708Y 11 19 R307 7 7407 R313 24VS 33K 1W56 0306 D303 C308 R315 Tpokvespr Y 4KV FTF 588306 T 5 5 2 4 R303 100KF C302 L 0302 C303 102 inatas T 103 L 500V103Z 5 32 August 2001 WorkCentre Pro 412 Launch Issue Circuit Description 5 5 7 7 Environment Recognition THV voltage recognizes changes in transfer roller environment and allows the voltage suitable for the environ ment in order to realize optimum image output The analog input is converted to digital output by the compar ator that recognizes the environmental changes of the transfer roller It is to allow the right transfer voltage to perform appropriate environmental response considering the environment and the type of paper depending on this digital output by the programs that can be input to the engine controller ROM This environment recognition setting is organized as follows First set the standard voltage Allow 200M load to transfer output enable output and set the standard voltage 800V using VR201 Then set 56 CPU s recognition index value as the standard using VR302 This
24. 11 Connection Diagram WorkCentre Pro 412 Launch Issue Connection Diagram This page intentionally blank 11 2 August 2001 WorkCentre Pro 412 Launch Issue Schematic Diagrams 1 of 14 it Diagram IFCUI 12 Schematic Diagrams 1 Main C 12 GA ers nT YA jo Liu 9245 ax E 9738nu _ 4945 Siu LACA INIA2UH IER Sao MA AL DERE NAO 29 541 93 330 ES 017340 lt 0359754125 m t EE L3 Jus 193138 O4 ASTSTJH UY NITIS 0301 999 3803187444 CEER INASHN 8 t T 15 cuc n m S 2 Es t yr TR de st si pe 85 5 BD su ama Ln tu sis itv AS38438 3135 bd INI INI 53 191 enc 13 402 OXL 3341H tz 411337951 EN 101 m EN EL T asi 19313 nma sanre 15301 100301 25201 antri 540 147 580 8813 140 1814 391 2181 TRE BUX8 0833 uY 3843 4814 0541 240
25. LOD 2 a UNI VAC FAC 148 30535 1934 CJ u ci 5 EAL ZAL LAL JHSTI 77 OD 50140410314 ANNSKYS n on 12 21 August 2001 WorkCentre Pro 412 Launch Issue ircuit Diagram Schematic Diagrams 12 22 Flat C 01471013 9 09 9990 59592 crc 8114 mate NOS im ENNA 271140 NOUS Eg i wrivid lt eu Y noop NLY gt y v gt 0X 17340 gt Nado 174 3 380 lt 153 390 gt 1939747 XN 50474 409 gt Ex 2 1 J 130747 30 gt 1939 d JUv 193130 3 I100k 509797 Juv COSI AUN lt 130 4 107 9291 40 lt 1 193130737 00 lt 40 25 lt H CIISITHIONI 828174 JOVI OIFITHIOY CY 409 NYJS NYIS CI2VITHAQVE 69271 307 WHd 30 Launch Issue WorkCentre Pro 412 August 2001 12 22 Schematic Diagrams ircuit Diagram 12 23 PTL C SAWN ANV INOS 9037 4 3 5 9718 san ES taan NS duns HTS eaa 254455418 dvgAeS uns 12 23 August 2001 WorkC
26. n i Hn 1 TLHOZRSIAL Di co 2 1 or vas Eod i 971n0A Pad BRL bea Si uas ed 3952 0 39 90 og wes lt UE 91704740 ag Sus ow SE BNC runs cas 0 5 08 pres ALHIZESIAL SYSSA A P3 FEBA dx EMS 1984 E LINEAL vest 1809 E S9 595 sra 0380 9199 D B idse 0 4337099 19888 1992 0 596 882 E 3952 g adr Msn LEI v 37 5 2221 EO ae SE C 437023 gt LITTA gt Sd 22 C znr05 gt 000 Catan 12 7 Main Circuit Diagram 7 of 14 12 7 August 2001 WorkCentre Pro 412 Launch Issue Schematic Diagrams 8 of 14 it Diagram IFCUI 12 8 Main C ce Y IS VIA AS INIA DO 31111 JjAVN 91101781 weg 295549628 8194 LOEO J0V7NV2S 4021 100791 os CIBI 2 9897 I
27. paper exit sensor PBA rali do se the the fuser gt works OK E wiring are good install a new main YES YES YES Check the LSU if ASS necessary install a paper NO Fa Feeds NO Check the fuser new LSU rolled around the multiple pages gt for paper path pressure obstructions roller N YES YES Remove the fuser remove the paper and clean the Clean the paper feed mechanism pressure roller if necessary install a new pressure roller Check the input path NO i to the fuser for obstructions Check the transfer guide is grounded Check the shutter prevents feeding LES P uo Severe i NO Tne paper hen feeding Came out between fuser I and developer YES Adjust the paper guides to fit the zi bs ae NO paper width lt lt or sensitive paper to gt 7 static electricity Check the paper path nip SES springs for equal pressure YES WorkCentre Pro 412 Launch Issue Use the recommended paper August 2001 7 35 Maintenance amp Troubleshooting Engine Error FX Lai Hamess CN7 gt NO lt Main PBAto LSU Install new parts The harness is lt good d YES Check Main CN7 9 NO P MOTOR Signal Install a new Main PBA The signal is good NOL YES Check Main
28. 091N00678 1 1 3 PMO DUMMY UPPER 019N00615 1 1 4 LABEL R REGISTRATION EDGE R 091N00679 1 1 5 PMO COVER SCAN UPPER 1 NOT SPARED 1 6 IPR HOLDER GLASS 3 NOT SPARED 1 7 HEA RACK GLASS PLATEN ASS Y 118N00172 1 1 7 1 LABEL P SHEET SHADING 1 NOT SPARED 1 7 2 MCT GLASS SCANNER LEGAL 1 NOT SPARED 1 8 A S MATERAL DUMMY UPPER 019N00622 1 2 ELA HOU SCAN LOWER ASS Y 1 NOT SPARED 2 1 BELT TIMING GEAR 023N00954 1 2 2 SPRING BELT 023N00955 1 2 3 GEAR TIMING 1 NOT SPARED 2 4 RING E 005N00781 3 2 5 GEAR REDUCTION 1 NOT SPARED 2 6 PMO HOLDER BELT 1 NOT SPARED 2 7 ELA HOU SCAN MOTOR ASS Y 127N01376 1 2 7 1 MOTOR SCAN 1 NOT SPARED 2 8 GEAR IDLE 1 NOT SPARED 2 9 PMO COVER PUMMY LOWER 025N00080 1 2 10 IPR CHANNEL BASE FRAME 1 NOT SPARED 2 11 PMO HOLDER CCD 1 NOT SPARED 2 12 PMO DUMMY SCAN LOWER 1 NOT SPARED 2 13 ICT INSERT SHAFT 1 NOT SPARED 2 14 PMO PULLEY 1 NOT SPARED 2 15 PMO HOLDER BELT 1 NOT SPARED 2 16 RING E 005N00781 1 2 17 ICT SHAFT CCD 1 NOT SPARED 2 18 PMO LEVER SENSOR 1 NOT SPARED 2 19 IPR BRK SCAN B D 140N05936 1 2 20 SPRING EXIT 1 NOT SPARED 2 21 ELEC MECH SCANNER MODULE 109N00584 1 3 ELA HOU OPE COVER ASS Y 002N02015 1 3 1 PMO OPE COVER 002N02010 1 3 2 RMP RUBBER FUNCTION 019N00616 1 3 3 RMO RUBBER TEL 019N00617 1 3 4 PMO KEY TEL 029N00274 1 3 5 RMO RUBBER SCROLL 019N00618 1 3 6 PMO KEY FUNCTION A 029N00275 1 3 7 PMO KEY SCROLL 029N00280 1 3 8 PMO KEY FUNCTION B 029N00276 il 3 9 PBA SUB OPE XEROX 140N05937 1 3 10 PMO KEY REPORT 029
29. 1 16W DA TP 1608 2007 000078 R20 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R221 1 R CHIP 1 Kohm 5 1 16W DA TP 1608 2007 000078 R258 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R259 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R260 1 R CHIP 1 Kohm 5 1 16W DA TP 1608 2007 000078 R261 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R262 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R263 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R264 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R298 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R299 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R323 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R324 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R325 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R326 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R327 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R75 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R76 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000080 R194 1 R CHIP 2Kohm 5 1 16W DA TP 1608 2007 000082 R294 1 R CHIP 3 3Kohm 5 1 16W DA TP 1608 2007 000083 R223 1 R CHIP 8Kohm 5 1 16W DA TP 1608 2007 000083 R333 1 R CHIP 8Kohm 5 1 16W DA TP 1608 2007 000084 R16 1 R CHIP 4 7Kohm 5 1 16W DA TP 1608 2007 000084 R18 1 R CHIP 4 7Kohm 596 1 16W DA TP 1608 2007 000084 R202 1 R CHIP 4 7Kohm 596 1 16W DA TP 1608 2007 000084 R231 1 R CHIP
30. 2007 000113 R124 1 R CHIP 330hm 5 1 16W DA TP 1608 2007 000113 R127 1 R CHIP 330hm 5 1 16W DA TP 1608 2007 000113 R146 1 R CHIP 330hm 5 1 16W DA TP 1608 2007 000113 R182 1 R CHIP 33ohm 596 1 16W DA TP 1608 2007 000113 R184 1 R CHIP 330hm 5 1 16W DA TP 1608 2007 000113 R186 1 R CHIP 330hm 5 1 16W DA TP 1608 2007 000113 R196 1 R CHIP 330hm 5 1 16W DA TP 1608 2007 000113 R199 1 R CHIP 330hm 5 1 16W DA TP 1608 2007 000113 R207 1 R CHIP 330hm 5 1 16W DA TP 1608 2007 000113 R209 1 R CHIP 330hm 5 1 16W DA TP 1608 2007 000113 R210 1 R CHIP 330hm 5 1 16W DA TP 1608 2007 000113 R238 1 R CHIP 330hm 5 1 16W DA TP 1608 2007 000113 R301 1 R CHIP 330hm 5 1 16W DA TP 1608 2007 000113 R71 1 R CHIP 330hm 5 1 16W DA TP 1608 2007 000113 R72 1 R CHIP 330hm 5 1 16W DA TP 1608 2007 000120 R10 1 R CHIP 6800hm 5 1 16W DA TP 1608 2007 000121 R246 1 R CHIP 8200hm 5 1 16W DA TP 1608 2007 000121 R86 1 R CHIP 8200hm 5 1 16W DA TP 1608 2007 000123 R116 1 R CHIP 1 5Kohm 5 1 16W DA TP 1608 2007 000123 R254 1 R CHIP 1 5Kohm 5 1 16W DA TP 1608 2007 000123 R257 1 R CHIP 1 5Kohm 5 1 16W DA TP 1608 2007 000123 R329 1 R CHIP 1 5Kohm 5 1 16W DA TP 1608 2007 000123 R331 1 R CHIP 1 5Kohm 5 1 16W DA TP 1608 WorkCentre Pro 412 Launch Issue August 2001 Electrical Parts List Main PBA SEC CODE Q ty DESCRIPTION 2007 000124 R133 1 R
31. 4 7Kohm 5 1 16W DA TP 1608 WorkCentre Pro 412 Launch Issue August 2001 Electrical Parts List Main PBA SEC CODE Q ty DESCRIPTION 2007 000084 R287 1 R CHIP 4 7Kohm 5 1 16W DA TP 1608 2007 000084 R300 1 R CHIP 4 7Kohm 5 1 16W DA TP 1608 2007 000084 R37 1 R CHIP 4 7Kohm 5 1 16W DA TP 1608 2007 000084 R38 1 R CHIP 4 7Kohm 5 1 16W DA TP 1608 2007 000084 R39 1 R CHIP 4 7Kohm 5 1 16W DA TP 1608 2007 000084 R40 1 R CHIP 4 7Kohm 5 1 16W DA TP 1608 2007 000084 R41 1 R CHIP 4 7Kohm 5 1 16W DA TP 1608 2007 000084 R42 1 R CHIP 4 7Kohm 5 1 16W DA TP 1608 2007 000084 R58 1 R CHIP 4 7Kohm 5 1 16W DA TP 1608 2007 000084 R59 1 R CHIP 4 7Kohm 5 1 16W DA TP 1608 2007 000086 R141 1 R CHIP 5 6Kohm 5 1 16W DA TP 1608 2007 000086 R239 1 R CHIP 5 6Kohm 5 1 16W DA TP 1608 2007 000086 R251 1 R CHIP 5 6Kohm 5 1 16W DA TP 1608 2007 000086 R253 1 R CHIP 5 6Kohm 5 1 16W DA TP 1608 2007 000086 R30 1 R CHIP 5 6Kohm 5 1 16W DA TP 1608 2007 000086 R80 1 R CHIP 5 6Kohm 5 1 16W DA TP 1608 2007 000090 R102 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R103 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R108 1 R CHIP 10Kohm 595 1 16W DA TP 1608 2007 000090 R120 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R121 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R130 1 R CHIP 10Kohm 595 1 16W DA TP 1608 2007 000090 R135 1 R CHIP
32. Check if the printout still has the same problem right after passing through ine transfer roller 554 YES The ribs in fuser or toner on the roller may invoke the image problem Clean or install new parts The image is near the top of the page gt Use the pattern which has the image no higher than 10mm from the top Contamination on the window of internal lens of LSU gt Clean the window or install anew LSU Obstructions in the path between OPC developer and LSU gt Remove the obstructions Toner stuck to blade in the developer unit prevents toner supply gt Install a new developer unit Check if the toner cartridge s counter is over its service life nstall a new the toner cartridge 7 20 August 2001 WorkCentre Pro 412 Launch Issue Maintenance amp Troubleshooting Dark Image NT Dark selected via RCP Ses NIG s Change to Normal and test e d 2 NO gt END ar Os YES de Image is ood with OV of Bias gt Install a new HVPS voltage YES Works Toner over supply due to an correctly NO adjustment fault of metering installing a new blade in developer 18027 gt Install a new developer unit YES The power of LSU is set high or internal problem gt Install a new LSU WorkCentre Pro 412 August 2001 7 21 Launch Issue
33. amp CLK LINE s occurrence number Processed data output format in DTM Data Transfer Module 1 DMA mode Burst On demand mode 2 CDIP I F LINE SYNC PIXEL SYSNC PIXEL DATA 7 0 36 General Purpose Input Output 8 GPO 28 GPIO Black White reversion and Image Mirroring support ADDR BUS DATA BUS DMA Controller Jupiter DATA MEMORY Image Processor O0x4 Oma zoaz4 CPU Scan Motor Jupiter 12bit ADC 12bit R G B Analog Signal Scanner nTx_A xB DOCUMENT IMAGE External interface with CIP3 5 20 August 2001 WorkCentre Pro 412 Launch Issue Circuit Description AIN ADC REFT 12 bit AID converter REFB R LED G LED PI TG B LED 1 PI2 Sensor Interface Shading Acquisition Vertical Shading Decimation Correction 1024x8 SRAM 15 0 R G B Gamma Correction SRAM nRD SRAM nWR Image Processing 8192x8 Enlarge ment Module I Reduction 4096 x16 IRQ Interrupt Vpeak Control Control Motor Control TX EN2 DMA CPU I F CIP3 Module Register nCS nRD nWR A 5 0 D 15 0 nXDREQ nXDACK Block diagram of CIP3 WorkCentre Pro 412 August 2001 5 21 Launch Issue Circuit Description 5 4 Host Interface Referred to IEEE 1284 standard 5 4 1 Host Interface PARALLEL PORT INTERFACE PART KS32C61200 enables the parallel interface with the PC This part is
34. and outputs MHV voltage through the high voltage output enable which is comprised of Regulation circuit T401 MHV OUTPUT R405 220K U103 7407 R413 12M gt orc MHV PWM Q401 A708 5 5 7 5 BIAS supply dev blade output unit BIAS Electrification Output Enable Electrification Output Enable is the electrification output control signal PWM LOW ACTIVE When BIAS PWM LOW signal is received Q501 turns on and the steady voltage will be accepted to the non inverting terminal of OP AMP 324 As the voltage higher than the inverting reference volt age of OP AMP which is set to R506 and R507 OP AMP output turns high This output sends IB to the TRANS auxiliary wire through current restricting resistance Q502 via R509 and C504 and Q502 turns on When the current is accepted to Q502 Ic increases to the current proportional to time through the T201 pri mary coil and when it reaches the Hfe limit of Q502 it will not retain the on state but will turn to off As Q502 turns off TRANS N1 will have counter electromotive force discharge energy to the secondary unit sends current to the load and outputs DEV voltage through the high voltage output enable which is com prised of Regulation circuit 0502 R514 3 MGR1 2W 50K 5v I 4 T 1 TW BLADE C503 R508 1 C506 20501
35. e when gt gt on PBA are OK and re test powered on on E 22 YES EN p LEDs IN NO Pd once when 4 Fuse of SMPS 0 4 Install a new fuse bu E is good YES YES ws A Short DX A The On Line Connection Between 5 and 28 LS NO NO fe NO CN is being pressed error between GND or between Toner cartridge CUR controller PBA 2 is installed and panel PBA GND or malfunction YES of boards YES gt Install new lt 5 Install a new OPE Install new parts Check the side cover switch and PBA wirin g If necessary install new parts 7 32 August 2001 WorkCentre Pro 412 Launch Issue Maintenance amp Troubleshooting Fuser Error Ensure the fuser is cool Measure the resistance of the fuser heat rod n NO Less than 10 Install a new thermostat OX as YES v Remove the covers x LAC is being supplied y Check the wiring to the HVPS if Ped to the heat necessary install a new HVPS YES Ps The voltage E of pin 60 of e NO Check the thermistor and wiring to the a lt CPU on the Main gt gt main PBA Install new parts as is about 2 65V when necessary If the wiring is good install printing lt a new main PBA 2 YES END WorkCentre Pro 412 August 2001 epo Launch Issue Maintenance amp Troubleshooting Paper Jam M
36. functions of modem TX A1 2 is transmission output port and RX IN is received data input port POR signal controlled by MFP controller U3 KS32C61200 can initialize modem M RST without turning off the system DO D7 are 8 bit data buses RSO RS4 signals to select the register in modem chips RS and WR signals control READ and WRITE respectively IRQ is a signal for modem interrupt Transmission speed of FM336 is supported up to 33 6k The modem is connected to LINE through transformer directly U18 FM336 lt FAX TX RX Matching Transformer T2 MAIN PBA lt gt LIU 1 1 1 1 i 4 1 1 1 1 1 TRANSCEIVER WorkCentre Pro 412 August 2001 5 17 Launch Issue Circuit Description 5 3 Scanner 5 3 1 Summary This flat bed type device to read manuscripts has 600dpi CCD as an image sensor There is one optical sen sor for detecting CCD home position and Scan end position The home position is detected by a optical sen sor which is attached to the CCD Module The Scan end position is calculated by the number of motor steps CCD Contact Image Sensor improves productivity and allows a compact design This machine uses a color CCD Minimum scan line time for one color 5mS Light source power 12V Maximum pixel frequency 6 MHz Effective sensor element 5340 X 3 Clamp level 0 7 to 0 8V Bright output min 0 8V AI
37. latory compliance IV Definitions Incident An event or condition occurring in a customer account that has resulted in injury illness or property damage Examples of incidents include machine fires smoke generation physical injury to an operator or service repre sentative Alleged events and product conditions are included in this definition V Requirements Initial Report 1 Xerox organisations shall establish a process for individuals to report product incidents to EH amp S within 24 hours of becoming aware of the event 2 The information to be provided at the time of reporting is contained in Appendix A Health and Safety Inci dent Report involving a Xerox product 3 Theinitial notification may be made by any of the following methods For incidents in North America and Developing Markets West Brazil Mexico Latin American North and Latin American South Phone EH amp S at 1 800 828 6571 Electronic mail EH amp S at Doris Bush usa xerox com Fax EH amp S at 1 716 422 7734 intelnet 8 222 7734 For incidents in Europe and Developing Markets East Middle East Africa India China and Hong Kong Phone EH amp S at 44 0 1707 35343 Electronic mail EH amp S at Elaine Grange GBR xerox com Fax EH amp S at 444 0 1707 353914 intelnet 8 668 3914 Initial notification made by phone must be followed within 24 hours by a completed incident report and sent to the indicated electronic mail address or fa
38. see page 6 9 Exit assembly see page 6 12 2 Unplug the all connectors 6 12 LSU 3 Remove the four screws and take out the LSU Before you remove the LSU you should remove Rear cover see page 6 3 Scanner assembly see page 6 4 Side cover assembly see page 6 9 Exit assembly see page 6 12 Unplug the two connectors WorkCentre Pro 412 August 2001 Launch Issue Disassembly and Reassembly 6 13 Main Frame Assembly 3 Remove the six screws and take out the main SS frame assembly 1 Before you remove the LSU you should remove Rear cover see page 6 3 Main Frame Ass y Scanner assembly see page 6 4 Side cover assembly see page 6 9 Exit assembly see page 6 12 LSU see page 6 15 SMPS see page 6 15 2 Unplug the all connectors 6 14 Cover Exit Rear 1 Remove the one screw and cover exit rear as shown below AS _ Cover Exit Rear 6 14 August 2001 WorkCentre Pro 412 Launch Issue Disassembly and Reassembly 6 15 MP Assembly 2 Remove the two screws and take out the dummy 1 Unplug the two connectors 3 Pull the MP assembly upward and remove it WorkCentre Pro 412 August 2001 6 15 Launch Issue Disassembly and Reassembly 6 16 Feed Assembly 2 Pull the feed assembly upward and remove it 1 Remove the three screws 6 17 Pick Up Assem bly 2 Re
39. 000090 R33 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R330 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R4 1 R CHIP 10Kohm 596 1 16W DA TP 1608 2007 000090 R46 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R47 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R54 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R60 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R61 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R84 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R85 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000092 R156 1 R CHIP 15Kohm 5 1 16W DA TP 1608 2007 000092 R235 1 R CHIP 15Kohm 5 1 16W DA TP 1608 August 2001 WorkCentre Pro 412 Launch Issue Electrical Parts List Main PBA SEC CODE Q ty DESCRIPTION 2007 000094 R161 1 R CHIP 22Kohm 5 1 16W DA TP 1608 2007 000094 R8 1 R CHIP 22Kohm 5 1 16W DA TP 1608 2007 000096 R213 1 R CHIP 30Kohm 5 1 16W DA TP 1608 2007 000097 R1 1 R CHIP 47Kohm 5 1 16W DA TP 1608 2007 000097 R107 1 R CHIP 47Kohm 5 1 16W DA TP 1608 2007 000097 R12 1 R CHIP 47Kohm 5 1 16W DA TP 1608 2007 000097 R144 1 R CHIP 47Kohm 5 1 16W DA TP 1608 2007 000097 R169 1 R CHIP 47Kohm 5 1 16W DA TP 1608 2007 000097 R183 1 R CHIP 47Kohm 5 1 16W DA TP 1608 2007 000097 R193 1 R CHIP 47Kohm 5 1 16W DA TP 1608 2007 000097 R195 1 R CHIP 47Kohm 5 1 16W DA TP 1608 2007 000097 R211 1 R CHIP 4
40. 000192 C295 1 C CERAMIC CHIP 100nF 80 20 50V Y5V TP 2012 2203 000192 C297 1 C CERAMIC CHIP 100nF 80 20 50V Y5V TP 2012 2203 000192 C299 1 C CERAMIC CHIP 100nF 80 20 50V Y5V TP 2012 2203 000192 C32 1 C CERAMIC CHIP 100nF 80 2096 50V Y5V TP 2012 2203 000192 C327 1 C CERAMIC CHIP 100nF 80 20 50V Y5V TP 2012 2203 000192 C52 1 C CERAMIC CHIP 100nF 80 20 50V Y5V TP 2012 2203 000236 C106 1 C CERAMIC CHIP 0 1nF 596 50V NPO TP 1608 2203 000236 C130 1 C CERAMIC CHIP 0 1nF 596 50V NPO TP 1608 WorkCentre Pro 412 Launch Issue August 2001 Electrical Parts List Main PBA SEC CODE Q ty DESCRIPTION 2203 000236 C131 1 C CERAMIC CHIP 0 1nF 596 50V NPO TP 1608 2203 000236 C134 1 C CERAMIC CHIP 0 1nF 596 50V NPO TP 1608 2203 000236 C135 1 C CERAMIC CHIP 0 1nF 596 50V NPO TP 1608 2203 000236 C150 1 C CERAMIC CHIP 0 1nF 596 50V NPO TP 1608 2203 000236 C196 1 C CERAMIC CHIP 0 1nF 596 50V NPO TP 1608 2203 000236 C214 1 C CERAMIC CHIP 0 1nF 596 50V NPO TP 1608 2203 000236 C230 1 C CERAMIC CHIP 0 1nF 596 50V NPO TP 1608 2203 000236 C24 1 C CERAMIC CHIP 0 1nF 596 50V NPO TP 1608 2203 000236 C5 1 C CERAMIC CHIP 0 1nF 596 50V NPO TP 1608 2203 000236 C58 1 C CERAMIC CHIP 0 1nF 596 50V NPO TP 1608 2203 000236 C6 1 C CERAMIC CHIP 0 1nF 596 50V NPO TP 1608 2203 000236 C60 1 C CERAMIC CHIP 0 1nF 596 50V NPO TP 1608 2203 000
41. 001121 019 1 IC FLASH MEMORY 29F800 1Mx8 512Kx16Bit TSOP 48P 787MIL 70nS 5V 1107 001121 1 20 1 IC FLASH MEMORY 29F800 1Mx8 512Kx16Bit TSOP 48P 787MIL 70nS 5V 1201 000105 U52 1 IC AUDIO AMP 34119 SOP 8P 150MIL SINGLE P 1201 000167 U50 1 IC OP AMP 358 SOP 8P 150MIL DUAL 100V mV 1201 000167 051 1 IC OP AMP 358 SOP 8P 150MIL DUAL 100V mV 1201 001589 07 1 IC OP AMP 15420 SOP TP 8P 150MIL DUAL 5 9dB14V 400mW 1201 001589 U8 1 IC OP AMP 15420 SOP TP 8P 150MIL DUAL 5 9dB14V 400mW 1201 001589 9 1 IC OP AMP 15420 SOP TP 8P 150MIL DUAL 5 9dB14V 400mW 1202 000164 06 1 IC VOLTAGE COMP 393 SOP 8P 150MIL DUAL 36V CMO 1203 000496 049 1 IC VOL SUPERVISORY 7705 SOP 8P 150MIL PLASTIC 20V 1203 001455 U31 1 IC POSI FIXED REG 1117 DPAK 3P 265MIL PLASTIC 3 1203 001455 1 47 1 IC POSI FIXED REG 1117 DPAK 3P 265MIL PLASTIC 3 1203 001455 60 1 IC POSI FIXED REG 1117 DPAK 3P 265MIL PLASTIC 3 1205 001771 1 23 1 IC CLOCK GENERATOR FS781BZB SOP 8P 150MIL 5 5V 37mW 1205 001896 044 1 IC MODEM FM336R6719 12 QFP 100P 3 6V 250mW 2001 000015 R271 1 R CARBON S 0 50HM 5 1 2W AA TP 2 4X6 4MM 2001 000015 R272 1 R CARBON S 0 50HM 5 1 2W AA TP 2 4X6 4MM 2001 000015 R273 1 R CARBON S 0 50HM 5 1 2W AA TP 2 4X6 4MM 2001 000015 R274 1 R CARBON S 0 50HM 5 1 2W AA TP 2 4X6 4MM 2001 000016 R243 1 R CARBON S 10HM 5 1 2W AA TP 2 4X6 4MM 2005 000419 R292 1 R WIRE WOUND NON 0 330hm 1 1W A
42. 1 28 697 2 PAPER 1SCAN LINE sending time SCAN LINE interval DOCUMENT SPEED 58 208mm S 1SCAN LINE DOT SCAN distance 216mm DOT per 1mm 3 USB Clock Device Oscillator Frequency 48MHz 5 2 2 Power on off Reset 1 Signal Operation Input Signal 5 Power Line VCC Output Signal KS32C61200 nRESET 29F800B nRESET Power on off detect VCC RISING FALLING 4 5 4 6V Reset time Td 1 48 to1 52ms e Td Ct V sensing I charge Ct 33uF Is 100 2 Timing Chart and SENSE Threahold Voltage T a 3 6V Vcc 2V RESET Lue ta tk y Output Output Undefined Undefined 5 2 August 2001 WorkCentre Pro 412 Launch Issue Circuit Description 5 2 3 Risc Microprocessor 1 RISC microprocessor pin amp interface O O O O O 55 O dd dd O O O O 55 5 O O O O 55 O No 1 7 11 DATA10 Input CPU Data Bus 10 PHBTT8 8 mA DATA11 CPU Data Bus 11 is ES 0 rS 2 2 2 2 2 2 12 E CPU Data Bus 12 0 1 2 3 4 5 6 WorkCentre Pro 412 August 2001 5 3 Launch Issue Circuit Description Reset Value Dw op MEET Ca 48 5 0 49 LFIBO OPS 0 LFIB1 OP7 0 3 3 Cw TIT co a m 1 Fw mw 1 monro ss mw 9 i on
43. 10Kohm 5 1 16W DA TP 1608 2007 000090 R162 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R163 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R164 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R165 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R167 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R170 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R176 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R177 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R180 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R187 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R2 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R216 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R218 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R219 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R220 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R222 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R226 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R28 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R283 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R284 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R285 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R295 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R3 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R302 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007 000090 R32 1 R CHIP 10Kohm 5 1 16W DA TP 1608 2007
44. 12 22 Flat Circuit 12 22 12 23 PTL Circuit Diagram 12 23 12 24 Sensor Circuit 12 24 12 25 Toner RX Circuit 12 25 12 26 Toner TX Circuit Diagram 12 26 WorkCentre Pro 412 August 2001 TOC 2 Launch Issue Introduction 1 Introduction This service manual is part of a multinational service documentation system but is not structured in the stan dard Xerox service manual format 1 1 Organisation Section 1 Introduction This section describes the contents of the service manual describes the Heath amp Safety Incident Reporting and gives translations of all warnings within the service manual in French Italian German and Spanish lan guages Section 2 Service Call Procedures This section is used to start and complete a service call This section will either direct you to the Maintenance and Troubleshooting section or identify a faulty component or sub assembly Section 3 Precautions This section contains ESD precautions Section 4 Specifications This section contains the specifications for the various modules of the machine Section 5 Circuit Description This section describes the control system of the machine Section 6 Disassembly and Reassembly This section gives instructions for dismantling and assembling
45. 1982 8 141 ar OSI Hev 142 ST UYISU E 2 13 0000H gt 09 chi Ely E k n 82 sz oW TSSA A lu 155 2 g rca 3ue i 207 si bl Eve MEA un 5 an tL v a LN E re E 57 so m En 8220 RI Aso 5 L Tn SE E bus ijs oim 5120 a 7720 zia 20 10 E dime m OVE x n ben sin lt 1012 900 lt 102 2 WorkCentre Pro 412 August 2001 12 2 Launch Issue Schematic Diagrams 3 of 14 ircuit Diagram 3 Main Ci 12 tissus Jld Y 15534 Y 0 LULA A3 INI ASW SAWN 402 ois FEO ZN 20263 03988107 3988 PELI He IT 218 age 1319 313 PQ 1370 J SE gono my cera JL 11 TAAL rm an 13 0800H 09 13338 13534 13 JSN S 544 DA 333 Il NB ADH ALE b Stn 8 tbf ana 2 0499 340013004 34001 2929 8922 3621 QU 240043400 5922 922 18 08D0H 09 A 099 XHBOOH AH 2 8 M
46. 2001 for PLL POBA PHILD50 ST PHIL ST PHOBS8 8 mA WorkCentre Pro 412 Launch Issue Circuit Description 5 2 4 Program ROM Flash Memory Control 1 Device Type No AM29F800B Capacity 4 Mbyte 512K 16BITS 4 2 Programming Before assembly EPROM programmer or programming at the factory After assembly Download from PC 3 Operating Principle When the RCSO ROM CHIP SELECT signal is activated from the CPU after the POWER is ON it activates RD SIGNAL and reads the DATA HIGH LOW stored in the FLASH MEMORY to control the overall system The FLASH MEMORY may also write When turning the power on press and hold the key power switch for 2 3 seconds then the LED will scroll and the PROGRAM DOWNLOAD MODE will be activated In this mode you can download the program through the parallel port Tr Tw Tw Tw Tw Tw Tw Td Tr Tr Tr Tr MCLK w e ROMCS 5 5 SNS NENE 4 SETUP 1 sig HOLDS Write Timing Diagram for Two Beat Burst Cycle WorkCentre Pro 412 August 2001 5 11 Launch Issue Circuit Description 5 2 5 Dram Control 1 Device Type No K4E6411D EDO type Capacity 4Mbytes 1M 16BITS 2 2 Operating Principle DRAM can either read or write The data can be stored in the DRAM only when the power is on It stores data white the CPU processes data The address to read and write the data is specified by RAS SIG
47. 4 Remove the contact rubber from the unit 5 Remove the key pad from the unit 6 6 August 2001 WorkCentre Pro 412 Launch Issue Disassembly and Reassembly 6 6 Side Cover Assembly 3 Unlatch the cover front securing the base frame and remove it 1 Remove the two screws to release the stopper securing the side cover to the main frame 4 Unlatch the MP tray securing the side cover assembly and remove it 2 Release the right bottom of the cover then pull it the direction of arrow to release the other end WorkCentre Pro 412 August 2001 6 7 Launch Issue Disassembly and Reassembly 5 Unlatch the duplex assembly securing the side 6 Take out the exit roller as shown below cover assembly and remove it 6 8 August 2001 WorkCentre Pro 412 Launch Issue Disassembly and Reassembly 6 7 Fuser Assembly 4 i the four screws and take out the ther mostat 1 Before you remove the Fuser assembly you should remove Side cover assembly see page 6 9 2 Unplug the connector 5 Remove the two screws and take out the heat roller 3 Remove the four screws and take out the fuser assembly 6 Remove the halogen lamp from the heat roller WorkCentre Pro 412 August 2001 6 9 Launch Issue 6 10 Disassembly and Reassembly 6 8 Exit Assembly remove Rear cover see page 6 3 Scanner assembly see page 6 4 Before you remove exit as
48. CHIP 2 2Kohm 5 1 16W DA TP 1608 2007 000124 R45 1 R CHIP 2 2Kohm 5 1 16W DA TP 1608 2007 000124 R81 1 R CHIP 2 2Kohm 5 1 16W DA TP 1608 2007 000131 R230 1 R CHIP 91Kohm 5 1 16W DA TP 1608 2007 000132 R255 1 R CHIP 180Kohm 595 1 16W DA TP 1608 2007 000133 R225 1 R CHIP 330Kohm 59 1 16W DA TP 1608 2007 000134 R291 1 R CHIP 33Kohm 5 1 16W DA TP 1608 2007 000134 R31 1 R CHIP 33Kohm 5 1 16W DA TP 1608 2007 000136 R229 1 R CHIP 300Kohm 5 1 16W DA TP 1608 2007 000223 R252 1 R CHIP 1 2KOHM 5 1 8W DA TP 3216 2007 000265 R29 1 R CHIP 1 8Kohm 195 1 16W DA TP 1608 2007 000309 R317 1 R CHIP 1 0ohm 5 1 16W DA TP 1608 2007 000309 R318 1 R CHIP 1 0ohm 5 1 16W DA TP 1608 2007 000309 R319 1 R CHIP 1 0ohm 5 1 16W DA TP 1608 2007 000312 R153 1 R CHIP 100HM 5 1 8W DA TP 3216 2007 000368 228 1 R CHIP 130Kohm 595 1 16W DA TP 1608 2007 000402 R175 1 R CHIP 1500hm 5 1 16W DA TP 1608 2007 000683 R43 1 R CHIP 3 3Kohm 1 1 16W DA TP 1608 2007 000839 R303 1 R CHIP 390hm 5 1 16W DA TP 1608 2007 000839 R304 1 R CHIP 390hm 5 1 16W DA TP 1608 2007 000839 R305 1 R CHIP 390hm 5 1 16W DA TP 1608 2007 000839 R306 1 R CHIP 390hm 5 1 16W DA TP 1608 2007 000839 R307 1 R CHIP 390hm 5 1 16W DA TP 1608 2007 000839 R308 1 R CHIP 390hm 5 1 16W DA TP 1608 2007 000839 R309 1 R CHIP 390hm 5 1 16W DA TP 1608 2007 000839 R310 1 R CHIP 390hm 5 1 16W DA TP 1
49. EE beNOl 55 semel Sb 159804 859204 can 5 ESSI B ren BL PZNI 3 52 sirena CLEVO WorkCentre Pro 412 August 2001 12 4 Launch Issue Schematic Diagrams 5 of 14 it Diagram IFCUI 12 5 Main C L bi do 512245 q A19 NIV gsn LLA AJINIJJN 17 JjAVN 30812 8810 24901 FA 15 55 inox NIX 82818154 anga 030 aN FHNGZEE S gt 1080 400 NI cns 8 01515 23 br BIEN NOQINN 44984 1 7 TLI 969 LE gt INI SSn gagu 2 anu lemas gt 356 Perd lt gt 1 62 TVA lt ATIS 12 5 August 2001 WorkCentre Pro 412 Launch Issue Schematic Diagrams 6 of 14 it Diagram IFCUI 12 6 Main C 28214421 VLA AG Yo DMOUD ZOLE Ej 1 m E
50. Feeding 1 Check for paper path obstructions 1 Clear obstructions from the paper path obstacles 2 Does the plate knock up prevent 2 Turn the power off and on Open and close the paper feeding Top cover to return to the original state Skew Is the width guide adjusted to the paper Correctly adjust the width guide width Stacking 1 Took out the Stacker extender to sup 1 Use extender as per the paper length port long papers 2 The Face up stacker normally can hold 100 2 Too much paper in the stacker pages when using 75gsm however stacking 3 Face up stacker does not neatly capacity will be lower with thicker paper stack the papers and stack not in order 3 Face down stacking is recommended for spe cific papers and one sheet feed Engine 1 Check Harness Refer to troubleshooting ENGINE ERROR Error Main PBA to LSU WorkCentre Pro 412 Launch Issue August 2001 7 31 Maintenance amp Troubleshooting No Power No LCD or LEDs Install the cartridge P ES Is see power cord NO Check the voltage first and plug in E plugged p the power cord in 7 ES Is he power gt Supply voltage within NO Disconnect the machine and SS the machine contact the customer specification 2 YES The fail TOME se No 2 Connections NO Re connect firmly
51. Maintenance amp Troubleshooting Background Check all high voltage connections if necessary install a new HVPS 7 22 de humidity _ YES torage atmosphere has too high a temperature gt Rest b NO p Print 20 to 30 pages using sa Paper used the recommended paper EN ue YES Transfer ge PM NO lt NS charge and ioi E gt p END voltage are k YES Operating Dirtor 3 dust around charge roller g s N ot YES Solve the problem under the recommended condition 10 32 degree Centigrade Clean the charge roller or install a new module Check Terminals or contacts and Guide Deve Spring are misplaced gt Install a new transfer roller etc Check if the LED of PTL in front of the transfer roller is on when it presses the top cover switch on purpose gt If not install a new PTL August 2001 Install a new toner cartridge PN 9 wo gt YES Internal blade or internal components of the developer is defective gt nstall a new the toner cartridge WorkCentre Pro 412 Launch Issue Maintenance amp Troubleshooting Ghost p Is ghosting NO zd s ghosting NO i ghosting a lt ata regular gt data reg
52. We sss R520 nei nso 1 ex pue 471 100V 256 100 2501 86 6KF 2KV 680 supp BIAS PWM 5 A708 Y CON03 24 5 gt A mw U103 A R519 R Ru 7407 22k NV 9503 Las 501 SA org 100KF Seg exe 104 KA324 5 R512 DEV C54 Q asti MGR1 2W 12MF nsi 6502 507 333 1W3 MGR1 2W 50K K 22 2 5 5 WorkCentre Pro 412 August 2001 5 31 Launch Issue Circuit Description 5 5 7 6 THV THV THV Output Unit Transfer output unit is the transfer output control signal PWM LOW ACTIVE When THV PWM LOW signal is received Q203 turns on and the steady voltage will be accepted to the non inverting terminal of OP AMP 324 As the voltage is higher than the inverting reference voltage of OP AMP OP AMP output turns high The 24V power adjusts the electric potential to ZD201 and ZD202 sends IB to TRANS auxiliary wire through current restricting resistance R215 via R212 and C204 and eventually Q204 will turn on When the current is accepted to Q402 Ic increases to the current proportional to time through the T201 primary coil and when it reaches the Hfe limit of Q204 it will not retain the on state but will turn to off As Q402 turns off TRANS N1 will have counter electromotive force discharge energy to the secondary coil sends current to the load and outputs THV voltage through the high voltage output enable which is comprised of Regulation circuit The output voltage is determine
53. as the drum rotates Then the electrostatic latent image formed on the OPC drum is developed by the toner supplied to the developing roller by supplying roller and it is transformed into visible image It is the process to change the afterimage on the OPC drum surface formed by LSU into visible image by the toner particles While the supply roller energized with 450V by HVPS and the developer roller energized with 300V rotate in the same direction it keeps the toner particles between two rollers supplied to OPC drum in negative state by the friction between two rollers The toner supplied to the developer roller is biased to bias electric potential by the developer roller and trans ferred to the developing area After toner is attached to the developer roller it will move to the exposed high electric potential surface 180V rather than to the unexposed low electric potential surface 900V of the developer roller and OPC drum Eventually the toner will not settle in the low electric potential surface to form the visible image Later the OPC drum continues to rotate and reaches to transfer location in order to accomplish the transfer process This process transfers the toner on the transfer roller to the printing paper by the transfer roller The toner attached to the OPC drum will be energized to hundreds to thousands of the transfer voltage by HVPS The electrostatic force of the transfer roller generated has higher adhesiveness
54. connected to the PC through a Centronics connector It generates major control signals that are used to actu ate parallel communication It is comprised of ERROR PE BUSY ACK SLCT INIT SLCTIN AUTOFD and STB This part and the PC data transmission method support the method specified in IEEE P1283 Parallel Port Standard http www fapo com ieee1284 html In other words it supports both compatibility mode basic print data transmitting method the nibble mode 4bit data supports data uploading to PC and ECP enhanced capabilities port 8bits data high speed two way data transmission with PC Compatibility mode is generally referred to as the Centronics mode and this is the protocol used by most PCs to transmit data to the printer ECP mode is an improved protocol for the communication between PC and peripherals such as printer and scanner and it provides high speed two way data communication ECP mode provides two cycles in the two way data transmission data cycle and command cycle The command cycle has two for mats Run Length Count and Channel Addressing RLE Run Length Count has high compression rate 64x and it allows real time data compression that it is useful for the printer and scanner that need to transmit large raster images Channel Addressing was designed to address multiple devices with single structure For example like this system when the fax printer scanner have one structure the parallel port can be used for other
55. currently fed into the system CPU detects this signal and sprays video data after certain time related to paper adjustment If the paper does not hit the feed sensor within certain time CPU detects this and informs as Paper red LEDs on the OP panel will turn on 4 Paper Exit Sensing The system detects the paper going out of the set with the exit sensor assembled to the actuator attached to the frame If CPU does not turn back high a while after the paper hits the exit sensor CPU detects this and inform as Paper Jam2 red LEDs on the OP panel will turn on 5 26 August 2001 WorkCentre Pro 412 Launch Issue Circuit Description 5 5 3 LSU Circuit 1 Polygon Motor Unit actuated by 24V The polygon motor inside LSU rotates by the PMOTOR signal When it reaches the motor constant velocity section through the initial transient transient response section it sends the nLREADY signal to the CPU The clock pin is the pin that receives clock of the required frequency when LSU uses external CLK as the motor rotational frequency Currently the external clock circuit is located in the HVPS and 1686Hz 6 9083MHz crystal frequency 212 74HC4060N IC is used as the rotational frequency of the poly gon motor 2 Laser Unit actuated by 5V After laser is turned on by nLD signal it is reflected by 6 mirrors polygon mirror attached to the polygon motor and performs scan in horizontal way When the laser beam hits
56. d intervention dans des circuits lectriques ou des entrainements m caniques d branchez la machine Le syst me de d connexion est le cordon d alimentation Retirer le connecteur de la prise murale A ration Cet quipement ne doit pas tre encastr sans une ventilation appropri e Zones accessibles aux utilisateurs Ce produit a t con u de fa on ce que les zones accessibles par les utilisateurs soient sans danger Les zones qui peuvent tre dangereuses sont prot g es par des panneaux ou des s curit s qui n cessitent l utili sation d un outil pour tre retirer Veiller ce que ces panneaux et s curit s sont correctement remis en place apr s toute intervention technique ou de maintenance Maintenance N effectuez aucune proc dure de maintenance non d crite dans la documentation Nettoyage Avant toute proc dure de nettoyage d branchez l quipement de la prise murale Utilisez toujours les produits d entretien concus sp cifiquement pour l appareil L utilisation d autres produits risque de nuire au bon fonc tionnement de l appareil et peut s av rer dangereuse N utilisez jamais d a rosols ils peuvent s enflammer SOUS certaines circonstances AVVERTENZA Le seguenti avvertenze sono applicabili a svariate situationi di manutenzione o di assistenza WorkCentre Pro 412 August 2001 1 8 Launch Issue Introduction Avvertenza sicurezza generale Spegnere apparecchio e scollegare il cavo di alimentazion
57. network is correctly connected and in good condition 5 Checkthe machine service log book for any previous actions that may be relevant to the call 6 Either perform SCP 2 First Call Actions or SCP 3 Normal Call Actions SCP 2 First Call Actions First Call Actions are used for the first service call Procedure Perform the following 1 Check the machine configuration with the customer Check that all required hardware and software is installed and or enabled 2 Check that all the relevant machine settings are correctly entered 3 If a fault is present go to SCP Normal Call Actions If there is no fault present go to SCP 6 Final Actions WorkCentre Pro 412 August 2001 2 1 Launch Issue Service Call Procedures SCP 3 Normal Call Actions Normal Call Actions are used to determine the reason for the service call Procedure NOTE If an error message appears at any time Refer directly to the error code tables in 1 1 Error Codes RAP and perform the procedure Perform the Following 1 Review any defective print or copy samples 2 If the LCD is completely blank switch off the machine Wait 10 seconds Switch on the machine If the LCD is still blank go to 7 6 Malfunction No Power LCD or LED 3 If connected to a network verify with the customer that it is permissible to disconnect the machine from the network 4 Check and record the total number of images made by the machine 5 Make a note of any parts req
58. new HVPS gt If the same problem persists install a new developer unit WorkCentre Pro 412 August 2001 7 25 Launch Issue Maintenance amp Troubleshooting Irregular Density Defective agitator in the toner supply gt Install a new developer unit Check if the guide developer spring works OK and Install new parts Irregualrity of toner suppy from developer gt install a new developer A Pn ur p OK after NO When gray cor uated SS taking out and A pattern printing AI rocking the toner gt irregular density drops ucc cartridge ersists rinting bow 23 bs s k 4 9 YES YES YES Check high voltage output and Install new terminals HVPS Y 2 Toner cartridge has o mc reached the end of its lt PTLlamp lt P Install a new PTL lamp service life install a 2 new toner cartridge YES Any ontamnaton SNO Bad images NO on the PTL N aroung the no image damp area YES YES Clean the window of PTL Light distortion due to the mirror ruined or LSU s diffused reflection gt install a new LSU 7 26 August 2001 WorkCentre Pro 412 Launch Issue Maintenance amp Troubleshooting White Spot n dip i Ky Too high voltage supplied it regular NO a Transfer bd NO due to the setting error of lt interval of 95mm 22 95
59. protocol and memory dump lists 1 Enter Tech mode by pressing Menu 1 9 3 4 2 In Tech mode press the Reports button Protocol Report will be displayed on the LCD 3 Press Up or Down key repeatedly until you find Reports Protocol press Select key A sample of a proto col dump list will be printed Facsimile Information Field data described in hexdecmal code Sending Receiving Name of signal FIF data described Facsimile Control Field in ASCII code PROTOCOL DUMP LIST MAR 20 1999 06 35 FIF DATA 61005820003380140200001302090018010000 2020202020202020202020202020202020202020 00000000 01110111 00010111 00100010 61005020003380140200001302090018010000 2020202020202020202020220202020220202020 00000000 01110111 00010111 00100010 2020202020202020202020202020202020202020 00000000 01100001 00010101 00000000 2020202020202020202020202020202020202020 00000000 01100001 00010101 00000000 S S S S S S R R S R R S R S S 7 2 4 Engine Test The Engine test mode is used to check the operation of the components related the printer engine In this mode the tests are classified into six sections The available tests are 0 MOTOR Test PTL Test FAN Test FUSER Test 1 LSU MOTOR Test LD ON Test LSU OPERATION Test 2 FEED Sensor Test EXIT Sensor Test COVER Sensor Test 1st Cast Sensor Test MP Sensor Test 3 1st Cast SOLENOID Test MP SOLENOID Test DUPLEX SOLENOID Test 4 MHV Test
60. standard WIA Device Color CCD charge coupled device module Scan width Max 216 mm 8 5 inches effective 208 mm 8 2 inches Color depth Internal 36 bit external 24 bit Optical resolution H x V 600 x 600 dpi Interpolation resolution Max 4800 dpi Pre scan mode Yes 75 dpi Scan speed Mono 1 25 msec line Color 5 msec line Pentium Il 300MHz 64MB Memory 4 2 WorkCentre Pro 412 Launch Issue 4 4 Copier Specifications Copy mode B W Scanner type CCD Flat bed with automatic document feeder Maximum original size A4 letter Maximum paper size A4 letter legal Maximum scan width 216 mm 8 5 inches Optical resolution 600 x 600 dpi Copy quality Text photo mixed Paper type selection Plain label card stock index transparency Mono copy speed Note 1 Platen SDMP 12 cpm ADF SDMP 12 cpm ADF MDPS text mixed 6 6 cpm photo 3 3cpm Effective print edge margin Top 4mm bottom 4mm each side 4mm 0 16 inches Multi copy 999 pages memory multi copy mono fast mode only Zoom Rate Platen 25 400 1 step ADF 25 100 196 step Fixed reduction enlargement settings 100 autofit clone Contrast control 5 steps FCOT platen ADF 9 8sec 300 dpi 18sec 600dpi Note 1 Speed claims based on the test chart Printed spdtst sam mono letter size SDMP single document multipl
61. the machine Section 7 Maintenance amp Troubleshooting This section contains instructions for preventative maintenance and diagnosis of machine fault Section 8 Exploded Views and Parts Lists This section shows all parts of the machine in exploded views with lists of spared parts Section 9 Electrical Parts Lists This section lists all of the spared electrical components Section 10 Block Diagram This section contains a block diagram of the machine functions Section 11 Connection Diagram This section contains an electrical connection diagram for the whole machine Section 12 Schematic Diagrams This section contains the schematic diagrams for the machine 1 2 Warnings Cautions and Notes Translated versions of all warnings are in Translation of Warnings at the end of this section WorkCentre Pro 412 August 2001 1 1 Launch Issue Introduction WARNING A warning is used whenever an operating or maintenance procedure practice condition or statement if not strictly observed could result in personal injury CAUTION A caution is used whenever an operation or maintenance procedure practice condition or statement if not strictly observed could result in damage to the equipment NOTE A note is used where it is essential to highlight a procedure practice condition or statement 1 3 Safety Procedures and Information The Xerox WorkCentre Pro 412 product and supplies are manufactured tested and certified to strict safety re
62. tray Feed direction FISO front in side out Paper Size Normal paper A4 letter legal B5 Executive A5 Envelope normal envelope Length 149 to 356mm 5 87 to 14 inches Width 100 to 216mm 3 94 to 8 5 inches Weight For MPF 6010 90gsm 16 to 24 bond xerographic For cassette 60 163 gsm 16 to 40 bond xerographic Paper capacity 100 sheets based on 75gsm 20 Ib Cassette 550 sheet based on 75gsm 20 Ib Paper stacker capacity Face Down 250 Sheets 75gsm 20 Ib Warming up time Stand by 20 seconds First printing time Power save mode 30 seconds Minimum PC spec Pentium Il 300 MHz 64MB RAM Duplex printing Yes WorkCentre Pro 412 August 2001 4 1 Launch Issue Specifications 4 2 Facsimile Machine type Desk top Applicable line G3 PSTN Compatibility ITU Group 3 Data coding MH MR MMR JPEG colour FAX transfer FAX Mode Standard fine super fine halftone Modem speed 33 600 bps Transmission speed Approx 3 sec Effective scanning width 208 mm 8 2 inches Memory 4 M Byte Halftone 256 levels Automatic document feeder 30 pages 75gsm LCD 16 characters x 2 lines 4 3 Scanner Operation System Windows 95 98 2000 NT 4 0 Win ME August 2001 Interface IEEE 1284 ECP Support USB without HUB Mode Compatibility TWAIN
63. uses R47 48 C36 to possibly control combined IMPEDANCE U S Usage A terminal IMPEDANCE 600W 30 CTR21 A Terminal IMPEDANCE 270 750W 150nF 5 7 4 DIALER PART MF DIAL DTMF Dialing is controlled by MODEM and should be selected by appropriate LEVEL and On off Time output based on each countries own National specification Frequency Tolerance 1 5 High Group 1209 1336 1477 1633Hz Low Group 697 770 852 941 Hz U S Usage CTR21 High Frequency Level 9 0 2 0 2 5 7 0 1 0 2 0 Low Frequency Level 9 0 1 0 2 0 11 0 2 5 2 0 DP DIAL Controls from MAIN through DP Terminal for U S Usage set time to DF signal of 40 60 M B DP signal is made of U6 pcb817 The DC current which flows through Q2 Base is regulated by On Off switch and turns to DP dial signal with a COUPLER CTR 21 does not have telephone capability but has the number 3 and 4 Line Connection No DP condition but possibility to get approval only on DTMF Dial based terminal 5 7 5 RING DETECTION PART RING SIGNALS from the LINE section TIP RING are further passed through C5 R3 ZD1 and ZD2 and ends up at U9 PC 814 U9 then detects above RING SIGNAL and passes the output to MAIN B D The wire diagram s C5 is RINGER CAPACITOR and it normally uses 1UF 250V WorkCentre Pro 412 August 2001 5 35 Launch Issue Circuit Description A R3 limits AC current and controls upper and lower REN meter 5 8 SMPS S
64. will be continuously on until the current between major terminals decreases below the holding current In other words you cannot turn it off with reverse signal unlike SCR This property is called current voltage threshold rise rate commutation dv dt In AC power control application triac has to turn off conduction in each zero crossing or switch it twice in each cycle This switch ing operation is called commutation It is possible to turn off the triac at the end of half cycle by eliminating the gate signal when the load current IL is gained at the level equal to or lower than holding current When triac commutes off line the direction of the voltage of the both ends of triac will be reversed and increase up to the maximum value of line voltage VAC At this point the width of rise rate will be determined by dv dt and over shoot voltage by the circuit When triac commutes off line the voltage of both ends of triac will have the same voltage as the line voltage Inductive IL A p DW Inductive Circuit 5 38 August 2001 WorkCentre Pro 412 Launch Issue Disassembly and Reassembly 6 Disassembly and Reassembly 6 1 General Precautions on Disassembly WARNING When you disassemble and reassemble components you must use extreme care The close proximity of cables to moving parts makes proper routing essential If components are removed any cables dis turbed by the procedure must be restored
65. zawor 52 r E soe Dum OM S10 ZT logs d 91 ST 1901907 sor 8 tm 02 NI ST MATAHLSI abet DIDI 6 y L ASTI E OE 1 on 2 j 5 PINO 1 ON 91 21 Saw 04048 wim 61 RUNDET FE NOIT Abt OL E NO6 1 8 Yo Exc T IDE d SIA Zeer e sca wo mere mere HMI zT avo at 70804 48888 SUMS ASH SUPE ASZ SNOT YD Ls Lo o sese 5 54 d aly PI 1 sano crt H 289 1 IX dad ET dj Dua 1 201 OS 5 IT 21 ime yo 1 canoes jd Css e wae mimm 3dAL INT z ZION 12 55 1 e Ls Om 1 ane S a el sv cej 081 DIS WHHL Ed E E 1 0008 LIN s VN Na Z E 120 amer 2 Mai e aerea p Ime sacs r LEUR 8 hi HOT Neutzal EX ABITI SX TI TEA LI 1 Faraci Gee We 2 LI LI LI FINO EM L 15 H3NNVOS E2232112 3 5104 5 7 2 8 8 22 48 5 E py verse SNO st DION SR 2 d osas INI B L09190 O ea Sms ee DA ADZZ rt AJIT
66. 00189 C81 1 C CERAMIC CHIP 100nF 80 20 25V Y5 V TP 1608 2203 000189 C82 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C83 1 C CERAMIC CHIP 100nF 80 2096 25V Y5V TP 1608 2203 000189 C84 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C85 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C86 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C87 1 C CERAMIC CHIP 100nF 80 2096 25V Y5V TP 1608 2203 000189 C88 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C89 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C9 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C90 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C91 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C92 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C94 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C95 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C96 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 097 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C99 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000192 C280 1 C CERAMIC CHIP 100nF 80 2096 50V Y5V TP 2012 2203 000192 C293 1 C CERAMIC CHIP 100nF 80 20 50V Y5V TP 2012 2203
67. 07N01113 1 3 6 COVER ADF LOWER 1 3 7 PMO ACTUATOR SENSOR DOC 130N01202 1 3 8 PMO ACTUATOR SENSOR REG 130N01215 1 3 9 MEC ROLLER EXIT 022N01473 1 3 10 BUSHING HOLDER 1 WorkCentre Pro 412 August 2001 8 7 Launch Issue Exploded View amp Parts List 8 3 1 ADF Ass y Parts List Cont No DESCRIPTION SEC CODE QTY REMARK 3 11 SPRING CLUTCH 1 3 12 GEAR EXITE 23 1 3 13 SPRING WHITE BAR 2 NOT SPARED 3 14 BRKT WHITE BAR 025N00079 1 3 15 PPR WHITE BAR SHEET 025N00080 1 3 16 PMO ACTUATOR SENSOR REGI 1 3 17 PBA SUB ADF 022N01471 1 3 18 PBA SUB ADF POS SEN 130N01199 1 3 19 PBA SUB ADF DET SEN 130N01200 1 3 20 PMO ACTUATOR SENSOR SCAN 130N01216 1 4 ELA HOU ADF MOTOR ASS Y 127N01377 1 4 1 GEAR CLUTCH 29 1 4 2 BRKT ADF MOTOR 1 4 3 PMO WHITE CLUTCH SUB 29 1 4 4 GEAR CLUTCH IDLE 39 1 4 5 GEAR DOUBLE 33 20 2 4 6 E RING 6 4 7 GEAR DOUBLE 17 35 2 4 8 GEAR IDLE 25 1 4 9 MOTOR ADF 1 NOT SPARED 4 10 GEAR JAM NOB 1 NOT SPARED 4 11 GEAR REDUCTION45 19 1 5 MEC RACK PICK UP ASS Y 002N02001 1 1 SCREW TAPTITE 2 8 8 August 2001 WorkCentre Pro 412 Launch Issue Exploded View amp Parts List This page intentionally blank WorkCentre Pro 412 August 2001 8 9 Launch Issue Exploded View amp Parts List 8 4 Side Cover Ass y Exploded View amp Parts List 8 10 August 2001 WorkCentre Pro 412 Launch I
68. 0V 200mA SOD 123 TP DIODE SWITCHING MMSD914T1 100V 200mA SOD 123 TP DIODE SWITCHING MMSD914T1 100V 200mA SOD 123 TP DIODE SWITCHING MMSD914T1 100V 200mA SOD 123 TP DIODE SWITCHING MMSD914T1 100V 200mA SOD 123 TP DIODE SWITCHING MMSD914T1 100V 200mA SOD 123 TP DIODE SWITCHING MMSD914T1 100V 200mA SOD 123 TP DIODE RECTIFIER 1N4003 200V 1A DO 41 TP DIODE RECTIFIER 1N4003 200V 1A DO 41 TP DIODE RECTIFIER 1N4003 200V 1A DO 41 TP DIODE RECTIFIER 1N4003 200V 1A DO 41 TP DIODE ZENER 1N4734A 5 6V 5 1W DO 41 TP DIODE SCHOTTKY RB420D 25V 100mA SOT 23 TP DIODE SCHOTTKY RB420D 25V 100mA SOT 23 TP DIODE ARRAY DA204K 20V 100mA C2 3 SOT 23 T DIODE ARRAY DA204K 20V 100mA C2 3 SOT 23 T DIODE ARRAY DA204K 20V 100mA C2 3 SOT 23 T DIODE ARRAY DA204K 20V 100mA C2 3 SOT 23 T DIODE ARRAY DA204K 20V 100mA C2 3 SOT 23 T DIODE ARRAY DA204K 20V 100mA C2 3 SOT 23 T DIODE ARRAY DA204K 20V 100mA C2 3 SOT 23 T DIODE ARRAY DA204K 20V 100mA C2 3 SOT 23 T DIODE ARRAY DA204K 20V 100mA C2 3 SOT 23 T DIODE ARRAY DA204K 20V 100mA C2 3 SOT 23 T DIODE ARRAY DA204K 20V 100mA C2 3 SOT 23 T DIODE ARRAY DA204K 20V 100mA C2 3 SOT 23 T DIODE ARRAY DA204K 20V 100mA C2 3 SOT 23 T TR SMALL SIGNAL KSC1008 NPN 800mW TO 92 TP 120 240 TR SMALL SIGNAL KSC1008 NPN 800mW TO 92 TP 120 240 TR SMALL SIGNAL KSA1182 Y PNP 150mW SOT 23 TP TR SMALL SIGNAL KSA708 Y PNP 800mW TO 92
69. 1 aos AA peu 1 Lon RO poses l XL qr AAA Na M M wwe de LES ar Me On ne STLEVEL 81606 a I zw o dun tol ollam YOLOW K qea dn xoeg he COT AOSTA SAPZ AZT APZ AS NODIN ave OLI SHH SAS PERS Er ria IV yal tal X1dats le tal I I l AS 141 less J tou 10 1 August 2001 WorkCentre Pro 412 Launch Issue Block Daigram This page intentionally blank 10 2 August 2001 WorkCentre Pro 412 Launch Issue Connection Diagram 11 1 saa HOLS p 2m p 11 TEC OM Ut 6 E ANT TAL E eb sez XI QON La 1 sd 17824 FLOM 3 WON TEXITHAIONE mos 23 25 7 TTE ZT qm Z XH NMONT z 2 A SAS usss No om e AN uma 821 udeg udgg meg Ni pun rl lH 0933 od Jii 0 e gp 22 r ONE d su oo ze E VENDI uno est 1 ee asn 1 d ME 3 m STNE ari poss SENI ci mm me 28 _ m _x S DONT gate T zT quz S zi m sum a La SNLEZ WNZ V HLIZ WO Wid ISH 80 BG SIDA TZ p Md AMI SZ HES ZE WEEN lZ IU DZ OVHMHLEL
70. 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C337 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C338 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C36 1 C CERAMIC CHIP 100nF 80 20 25V Y5 V TP 1608 2203 000189 C38 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 040 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C46 1 C CERAMIC CHIP 1 00nF 80 20 25V Y5V TP 1608 2203 000189 C49 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C50 1 C CERAMIC CHIP 1 00nF 80 20 25V Y5 V TP 1608 2203 000189 C53 1 C CERAMIC CHIP 1 00nF 80 20 25V Y5V TP 1608 2203 000189 C62 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C64 1 C CERAMIC CHIP 100nF 80 20 25V Y5 V TP 1608 2203 000189 C66 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C68 1 C CERAMIC CHIP 1 00nF 80 20 25V Y5 V TP 1608 2203 000189 C69 1 C CERAMIC CHIP 1 00nF 80 20 25V Y5V TP 1608 2203 000189 C7 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C70 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C72 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C76 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C8 1 C CERAMIC CHIP 100nF 80 20 25V Y5 V TP 1608 2203 0
71. 1 8 PMO GUIDE PAPER 1 9 PMO HOLDER SENSOR FEED 1 10 PMO LENS TONER SENSOR 1 11 PMO PTL PATH 1 12 PMO SHAFT PICK UP 1 13 RPR RUBBER PICK UP 022N01477 2 14 SPRING PICKUP 009N01362 1 15 SCREW TAPTITE 1 16 PBA SUB FEED P EMP SEN 130N01204 1 17 PBA SUB PTL 140N05940 1 18 PBA SUB TONER_TX 130N01207 1 19 A S MATERAL PICKUP CST 022N01484 1 WorkCentre Pro 412 August 2001 8 25 Launch Issue Exploded View amp Parts List 8 11 Drive Ass y Exploded View amp Parts List 8 26 August 2001 WorkCentre Pro 412 Launch Issue Exploded View amp Parts List 8 11 1 Drive Ass y Parts List No DESCRIPTION SEC CODE Q TY REMARK 0 ELA HOU DRIVE ASS Y 007N01117 1 1 IPR BRKT MOTOR 1 2 MOTOR STEP 127N01378 2 3 HARNESS MOTOR 1 4 RING E 1 5 SOLENOID DUPLEX 121N00596 1 6 SPRING SOLENOID DP 1 7 IPR LINK SOLENOID 1 8 GEAR EXIT U ID 1 9 GEAR SWING DRV 1 10 GEAR 35 19 1 11 GEAR 71 23 1 12 GEAR DEVE DRV 1 13 PMO DEV COUPLING 1 14 GEAR RDCN OPC 1 15 GEAR 86 23 1 16 GEAR RDCN FEED OUTER 1 17 GEAR HUB CLUTCH 2 18 GEAR RDCN FEED INNER 1 19 GEAR FEED DRV 1 20 GEAR OPC DRV 1 21 GEAR GEAR FUSER DRV OUTER 1 22 GEAR FUSER DRV INNER 1 23 RING E 8 S1 SCREW TAPTITE 5 S2 SCREW TAPTITE 7 WorkCentre Pro 412 August 2001 8 27 Launch Issue Exploded View amp Parts List 8 12 Main Frame Ass y Exploded View amp Parts List
72. 1 C CERAMIC CHIP 0 022nF 596 50V NPO TP 1608 2203 000626 120 1 C CERAMIC CHIP 0 022nF 596 50V NPO TP 1608 2203 000626 C157 1 C CERAMIC CHIP 0 022nF 596 50V NPO TP 1608 2203 000626 C160 1 C CERAMIC CHIP 0 022nF 596 50V NPO TP 1608 August 2001 WorkCentre Pro 412 Launch Issue Electrical Parts List Main PBA SEC CODE Q ty DESCRIPTION 2203 000626 C197 1 0 0221 5 50 1608 2203 000626 C200 1 0 0221 5 50 1608 2203 000626 C287 1 C CERAMIC CHIP 0 022nF 596 50V NPO TP 1608 2203 000626 C288 1 C CERAMIC CHIP 0 022nF 596 50V NPO TP 1608 2203 000626 C289 1 C CERAMIC CHIP 0 022nF 596 50V NPO TP 1608 2203 000626 C290 1 C CERAMIC CHIP 0 022nF 596 50V NPO TP 1608 2203 000626 C43 1 C CERAMIC CHIP 0 022nF 596 50V NPO TP 1608 2203 000626 C51 1 C CERAMIC CHIP 0 022nF 596 50V NPO TP 1608 2203 000626 C61 1 C CERAMIC CHIP 0 022nF 596 50V NPO TP 1608 2203 000626 C74 1 C CERAMIC CHIP 0 022nF 596 50V NPO TP 1608 2203 000626 C75 1 C CERAMIC CHIP 0 022nF 596 50V NPO TP 1608 2203 000681 C178 1 C CERAMIC CHIP 0 027nF 596 50V NPO TP 1608 2203 000681 C187 1 0 027 5 50 1608 2203 000783 C333 1 C CERAMIC CHIP 0 33nF 5 50V NPO TP 1608 2203 000783 C334 1 C CERAMIC CHIP 0 33nF 596 50V NPO TP 1608 2203 000783 C339 1 C CERAMIC
73. 1 16W DA TP 1608 2007 000074 R250 1 R CHIP 1000hm 595 1 16W DA TP 1608 2007 000074 R286 1 R CHIP 1000hm 595 1 16W DA TP 1608 2007 000074 R5 1 R CHIP 1000hm 595 1 16W DA TP 1608 2007 000074 R50 1 R CHIP 1000hm 5 1 16W DA TP 1608 2007 000074 R6 1 R CHIP 1000hm 5 1 16W DA TP 1608 2007 000074 R62 1 R CHIP 1000hm 5 1 16W DA TP 1608 2007 000074 R69 1 R CHIP 1000hm 5 1 16W DA TP 1608 2007 000074 R7 1 R CHIP 1000hm 5 1 16W DA TP 1608 2007 000074 R77 1 R CHIP 1000hm 5 1 16W DA TP 1608 2007 000074 R88 1 R CHIP 1000hm 5 1 16W DA TP 1608 2007 000074 R89 1 R CHIP 1000hm 5 1 16W DA TP 1608 2007 000074 R9 1 R CHIP 1000hm 5 1 16W DA TP 1608 2007 000074 R90 1 R CHIP 1000hm 5 1 16W DA TP 1608 2007 000074 R94 1 R CHIP 1000hm 5 1 16W DA TP 1608 2007 000074 R95 1 R CHIP 1000hm 5 1 16W DA TP 1608 2007 000077 R322 1 R CHIP 4700hm 5 1 16W DA TP 1608 2007 000078 R131 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R150 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R151 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R154 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R160 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R166 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R17 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R189 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R190 1 R CHIP 1Kohm 5 1 16W DA TP 1608 2007 000078 R198 1 R CHIP 1Kohm 5
74. 2 voltage is normal 2 gt gt transfer voltage P ui pw d Install a new HVPS YES YES Contamination stuck on D R in developing unit has OPC s the defect surface gt install a new developer unit Clean the OPC and machine or install new developer unit When removing or replacing the developer damage is possible gt install a new developer unit WorkCentre Pro 412 August 2001 7 27 Launch Issue Maintenance amp Troubleshooting Trailing Edge Disturbance When Printing Transparencies 7 28 Recommended NO transparency Use the recommended film film used lt YES NES uet Su pul Inserted more NO Does the fan NO than 10 films into stop when printing p the MPF 2 YES m transparencies E YES Do not use more than 10 transparencies at one time in the MPF Check for obstructions If necessary install a new fan August 2001 Use the recommended film WorkCentre Pro 412 Launch Issue Poor Fusing After A printing has NO completed is there a fuser related pce 2 YES 2 thermostat is is open circuit 7 C d YES ES NO Install a new thermostat and re test Install a new control component on Main Check any contacts and replace as required WorkCentre Pro 412 Launch Issue 7 P Den cold enviroment 7
75. 236 C73 1 C CERAMIC CHIP 0 1nF 596 50V NPO TP 1608 2203 000257 C119 1 C CERAMIC CHIP 10nF 10 50V X7R TP 1608 2203 000257 191 1 C CERAMIC CHIP 10nF 10 50V X7R TP 1608 2203 000257 C20 1 C CERAMIC CHIP 10nF 10 50V X7R TP 1608 2203 000257 C219 1 C CERAMIC CHIP 10nF 10 50V X7R TP 1608 2203 000257 C231 1 C CERAMIC CHIP 10nF 10 50V X7R TP 1608 2203 000257 C317 1 C CERAMIC CHIP 10nF 10 50V X7R TP 1608 2203 000257 C318 1 C CERAMIC CHIP 10nF 10 50V X7R TP 1608 2203 000257 319 1 C CERAMIC CHIP 10nF 10 50V X7R TP 1608 2203 000257 C328 1 C CERAMIC CHIP 10nF 10 50V X7R TP 1608 2203 000257 C329 1 C CERAMIC CHIP 10nF 10 50V X7R TP 1608 2203 000257 C330 1 C CERAMIC CHIP 10nF 10 50V X7R TP 1608 2203 000257 C331 1 C CERAMIC CHIP 10nF 10 50V X7R TP 1608 2203 000257 42 1 C CERAMIC CHIP 10nF 10 50V X7R TP 1608 2203 000357 C80 1 C CERAMIC CHIP 0 15nF 596 50V NPO TP 1608 2203 000426 C105 1 C CERAMIC CHIP 0 018nF 596 50V NPO TP 1608 2203 000426 C123 1 C CERAMIC CHIP 0 018nF 596 50V NPO TP 1608 2203 000440 C10 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C17 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C19 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C199 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C203 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 220
76. 3 000189 C195 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C198 1 C CERAMIC CHIP 100nF 80 20 25V Y5 V TP 1608 2203 000189 C201 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C202 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C204 1 C CERAMIC CHIP 1 00nF 80 20 25V Y5V TP 1608 2203 000189 C207 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 208 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C209 1 C CERAMIC CHIP 1 00nF 80 20 25V Y5V TP 1608 2203 000189 C210 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C211 1 C CERAMIC CHIP 100nF 80 20 25V Y5 V TP 1608 2203 000189 C212 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C213 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C215 1 C CERAMIC CHIP 1 00nF 80 20 25V Y5V TP 1608 2203 000189 C216 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C217 1 C CERAMIC CHIP 100nF 80 20 25V Y5 V TP 1608 2203 000189 C218 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C22 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C221 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C222 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C223 1 C CERAMIC CHIP 100nF 80 20 25V Y5
77. 3 000440 C205 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C206 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C224 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C23 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C232 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C235 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C25 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C250 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C252 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C258 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C259 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C281 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C283 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C29 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C30 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C322 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C323 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C324 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C325 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C335 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C340 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000440 C41 1 C CERAMIC CHIP 1nF 10 50V X7R TP 1608 2203 000626 C115
78. 3 y Su gt d td mj IFCUI UNO 119 LBOSHM eu im 86 0 LIZI Been 12 9 Main C 12 9 August 2001 WorkCentre Pro 412 Launch Issue Schematic Diagrams 10 of 14 it Diagram 12 10 _0IdI LACA 31111 JjAVN ANVdWOO EM tH 3UBBL 20 da 9d 30 sn NI AHL Fe N37 18105 Cre D 20 13832 951 da Nova lt gt 80 D HW 994 MMELZLOHE CHA Een ZeUZEHAb EJW E keN 5 Ll da SOLUM Tre 20 93313 Uda 30 sn 3 lt TOS dad 50 50 20 50 JUS XIN lt J e OS NIVA re 6 SI 21 8 Du 80 80 138349 an 23 MHELZLOHECHA Sen 21020 20 0HU e LE 21 09 T 8Y NN L 130 SNI3J anu 952074 El Si bY EY EI 11 81 ao 32 ven an 8 211 54 ONS peri T boe k L vee ALdWad gt ey Xd gt gt
79. 5101 HC 012440 CETTE HET ascuas BST HS TAU SI 15034 En 1S2 HSY TA eana ESE auna Qai lecce ana InoLe 2400v sconce 201 ADEZUNS 1 150331 04112 41 10380 1842 0038 0380 uta Sinni izagev Ne azaoa 81200 labs Eur 8 ar enun awe Ere ive 54045 EM rav our Lowen ES SONO oro 02 2 7 cone seio Div 9 04930 I ien bius Serven esa EM na Sea soe panni ervan essa Livia esa sino oet OF sauna ER ol ATISAS 13832 BAG 11071585 Ha evito E mises suo 5 3508 SEED 20130 lm QGLLOLLILOT UL 924 991 Quen r p1 Gas 2529 60 3 ow m 8810
80. 6 1 8 ELA TONER UNIT SET 106R00586 1 XE ELA TONER UNIT SET 106R00584 1 NASG XCL 9 ELA HOU PICKUP ASS Y 022N01485 1 10 ELA HOU SIDE COVER ASS Y 002N02016 1 11 ELA HOU MP ASS Y 600N01741 1 12 ELA HOU BASE FRAME ASS Y 1 NOT SPARED 13 MEC FEED ASS Y 022N01472 1 14 ELA HOU FUSER 110V ASS Y 126N00182 1 NASG XCL ELA HOU FUSER 220V ASS Y 126N00183 1 XE 14 1 THERMOSTAT 130N01214 1 14 2 LAMP HALOGEN 110V 122N00208 1 NASG XCL LAMP HALOGEN 220V 122N00209 1 XE 14 3 GEAR FUSER 126N00184 1 14 4 PMO GUIDE DUPLEX 032N00353 1 14 5 THERMISTOR FUSER 126N00185 1 15 ELA HOU FRAME MAIN ASS Y 600N01743 1 16 MEC EXIT ASS Y 600N01736 1 17 ELA HOU DRIVE ASS Y 007N01117 1 18 MEA RACK COVER REAR ASS Y 002N02014 1 18 1 PMO COVER SIMM XRX 002N02007 1 18 2 PMO COVER REAR 002N02008 1 19 PBA MAIN MAIN 140N05938 1 20 PMO CONNECT PAPER MFP 002N02012 1 21 FAN DC 127N01375 1 22 PPR OVERLAY 091N00677 1 NOT SPARED PPR OVERLAY English 892E62830 1 PPR OVERLAY English French 892E80010 1 PPR OVERLAY French 892E62840 1 PPR OVERLAY German 892E62870 1 PPR OVERLAY Italian 892E62860 1 PPR OVERLAY Spanish 892E62850 1 PPR OVERLAY Portuguese 892E62880 1 PPR OVERLAY Finnish 892E79920 1 PPR OVERLAY Dutch 892E62890 1 8 2 August 2001 WorkCentre Pro 412 Launch Issue Exploded View amp Parts List NO SEC CODE PART NAME Q TY REMARK PPR OVERLAY Danish 892E79910 1 PP
81. 608 2007 000839 R311 1 R CHIP 390hm 5 1 16W DA TP 1608 2007 000965 R236 1 R CHIP 5 1Kohm 5 1 16W DA TP 1608 2007 001002 R140 1 R CHIP 5100hm 596 1 16W DA TP 1608 2007 001002 R237 1 R CHIP 5100hm 5 1 16W DA TP 1608 2007 001002 R244 1 R CHIP 5100hm 596 1 16W DA TP 1608 2007 001002 R288 1 R CHIP 5100hm 5 1 16W DA TP 1608 2007 001002 R289 1 R CHIP 5100hm 5 1 16W DA TP 1608 2007 001002 R290 1 R CHIP 5100hm 5 1 16W DA TP 1608 2007 001002 R328 1 R CHIP 5100hm 596 1 16W DA TP 1608 2007 001002 R56 1 R CHIP 5100hm 5 1 16W DA TP 1608 2007 001134 R125 1 R CHIP 680hm 5 1 16W DA TP 1608 2007 001134 R197 1 R CHIP 680hm 5 1 16W DA TP 1608 2007 001134 R247 1 R CHIP 680hm 5 1 16W DA TP 1608 2007 001134 R332 1 R CHIP 680hm 5 1 16W DA TP 1608 2007 002768 R52 1 R CHIP 6 2Kohm 1 1 16W DA TP 1608 2011 001093 RA21 1 R NETWORK 1000hm 5 1 16W L CHIP 8P TP 2011 001093 RA22 1 R NETWORK 1000hm 5 1 16W L CHIP 8P TP 2011 001093 RA23 1 R NETWORK 1000hm 5 1 16W L CHIP 8P TP 2011 001094 _ 1 R NETWORK 390hm 5 63mW L CHIP 8P TP 2011 001094 10 1 R NETWORK 390hm 5 63mW L CHIP 8P TP 2011 001094 11 1 R NETWORK 390hm 5 63mW L CHIP 8P TP 2011 001094 12 1 R NETWORK 390hm 5 63mW L CHIP 8P TP 2011 001094 RA13 1 R NETWORK 390hm 5 63mW L CHIP 8P TP 2011 001094 14 1 R NETWORK 390hm 5 63mW L CHIP 8P TP 2011 001094 15 1 R NETWORK 390h
82. 7 qd 30 59474 3091 He Be ares 13391303100 gt JUN NVIS tai Vea S SEE 9281 H30Y ge ae DONI HAY s CONI HA308 He s cg SOY NNOS lt 1 sE ES SHI 811 xe bold do 11943 gt 2823 MD dit WE 130CONI3U t Ky gt 3 ber aera 1 812182252 Lun 1 912182250 E T vy lt 98 10210 ASL 31881 40240 1 0 154 BYaLSNT BLT M BDLYEX bi BANG AN 3104341 ZUYX 7 W3OOHL 1X1 HITO lt avd SHI ie uu 871004 gt 9 100A gt dE Sa TRES 22197099 L kh UNSO 71970331 91700 0 gt 099 30001 BVdLSNI 97 BSb ENESE WorkCentre Pro 412 August 2001 12 12 Launch Issue Hs yo esas 105 Y WJJHL LA A3 INDAUN 012 sssdppy n9 ANVN HO 43375 Schematic Diagrams 1 9171822 25 dH bib ALdHI dA 105744 A 8B0LISA OSEO EDESE 610 LEREENL 610 LEONI OX 1733dAH 105 91 2214 ena Ws NIVM OSrO EDESE 21 A BDBLISA 40 ds LED
83. 7Kohm 5 1 16W DA TP 1608 2007 000097 R224 1 R CHIP 47Kohm 5 1 16W DA TP 1608 2007 000097 R249 1 R CHIP 47Kohm 5 1 16W DA TP 1608 2007 000097 R70 1 R CHIP 47Kohm 5 1 16W DA TP 1608 2007 000097 R74 1 R CHIP 47Kohm 5 1 16W DA TP 1608 2007 000097 R79 1 R CHIP 47Kohm 5 1 16W DA TP 1608 2007 000098 R277 1 R CHIP 56Kohm 5 1 16W DA TP 1608 2007 000098 R278 1 R CHIP 56Kohm 5 1 16W DA TP 1608 2007 000098 R279 1 R CHIP 56Kohm 5 1 16W DA TP 1608 2007 000098 R280 1 R CHIP 56Kohm 595 1 16W DA TP 1608 2007 000098 R296 1 R CHIP 56Kohm 5 1 16W DA TP 1608 2007 000098 R297 1 R CHIP 56Kohm 5 1 16W DA TP 1608 2007 000102 R104 1 R CHIP 1 00Kohm 5 1 16W DA TP 1608 2007 000102 R122 1 R CHIP 100Kohm 595 1 16W DA TP 1608 2007 000102 R173 1 R CHIP 100Kohm 595 1 16W DA TP 1608 2007 000103 R233 1 R CHIP 120Kohm 595 1 16W DA TP 1608 2007 000103 R234 1 R CHIP 120Kohm 595 1 16W DA TP 1608 2007 000104 R232 1 R CHIP 150Kohm 595 1 16W DA TP 1608 2007 000106 R168 1 R CHIP 220Kohm 59 1 16W DA TP 1608 2007 000106 R256 1 R CHIP 220Kohm 5 1 16W DA TP 1608 2007 000109 R179 1 R CHIP 1 Mohm 5 1 16W DA TP 1608 2007 000109 R214 1 R CHIP 1 Mohm 5 1 16W DA TP 1608 2007 000109 R44 1 R CHIP 1 Mohm 5 1 16W DA TP 1608 2007 000113 R111 1 R CHIP 330hm 5 1 16W DA TP 1608 2007 000113 R113 1 R CHIP 330hm 5 1 16W DA TP 1608 2007 000113 R123 1 R CHIP 330hm 5 1 16W DA TP 1608
84. A TP 4 3x12mm 2005 000419 R293 1 R WIRE WOUND NON 0 330hm 1 1W AA TP 4 3x12mm 2007 000033 R321 1 R CHIP 00HM 5 1 8W DA TP 3216 2007 000070 R128 1 R CHIP 00hm 5 1 16W DA TP 1608 2007 000070 R172 1 R CHIP 00hm 5 1 16W DA TP 1608 2007 000070 R23 1 R CHIP 00hm 5 1 16W DA TP 1608 2007 000070 R24 1 R CHIP 00hm 5 1 16W DA TP 1608 2007 000070 R25 1 R CHIP Oohm 5 1 16W DA TP 1608 2007 000070 R26 1 R CHIP Oohm 5 1 16W DA TP 1608 2007 000070 R27 1 R CHIP 00hm 5 1 16W DA TP 1608 2007 000070 R313 1 R CHIP 00hm 5 1 16W DA TP 1608 2007 000070 R63 1 R CHIP 00hm 5 1 16W DA TP 1608 2007 000070 R64 1 R CHIP Oohm 5 1 16W DA TP 1608 2007 000070 R65 1 R CHIP 00hm 5 1 16W DA TP 1608 2007 000074 R11 1 R CHIP 1000hm 596 1 16W DA TP 1608 2007 000074 R110 1 R CHIP 1000hm 5 1 16W DA TP 1608 2007 000070 R66 1 R CHIP Oohm 5 1 16W DA TP 1608 WorkCentre Pro 412 Launch Issue August 2001 Electrical Parts List Main PBA SEC CODE Q ty DESCRIPTION 2007 000070 R67 1 R CHIP 00hm 5 1 16W DA TP 1608 2007 000070 R68 1 R CHIP Oohm 5 1 16W DA TP 1608 2007 000074 R134 1 R CHIP 1000hm 595 1 16W DA TP 1608 2007 000074 R15 1 R CHIP 1000hm 595 1 16W DA TP 1608 2007 000074 R155 1 R CHIP 1000hm 595 1 16W DA TP 1608 2007 000074 R157 1 R CHIP 1000hm 595 1 16W DA TP 1608 2007 000074 R203 1 R CHIP 1000hm 595 1 16W DA TP 1608 2007 000074 R212 1 R CHIP 1000hm 5
85. C 5857909 3 XIBBOH Abe 1 2 Sbfh nun y Sen OND E 155919 125704 Jisvau 138334 D 105 24 MMSOOH APL b BP 12 3 August 2001 WorkCentre Pro 412 Launch Issue Schematic Diagrams 12 4 Main Circuit Diagram 4 of 14 110918 sanu xs HOS INO4_ WWI A INI AD 012 JjAVN ANVdH09 W 2 00 M07 9050 BJEZNA SSA em za 0099 BOE CHA SS sa EZIZIO 1250 045980 lt gt WHIS BS FeNJ _ 5 05 21 2 BE FZND 1 eZ gg area gs 109 200 242 189 0200 ssa gg 189 seem generan Tr ge van 110 00 cr eran ie z lt ern amp F2N2 5 FZN2 DE JE Gs reno q ig Ig lt 5 lt 185 6200 y ES an gg dra gr agora 0192 20 pyre rena zz 22 b2N0 7102 6200 8 bzN P bzNO Di rzWo 8t enn g agg Sis g a SS 299 smo
86. C CERAMIC CHIP 1000nF 80 20 10V Y5V TP 1608 2203 005105 C79 1 C CERAMIC CHIP 0 68nF 5 50V NPO TP 1608 2401 000042 C1 1 C AL 100UF 20 16V GP TP 6 3x7 5 2401 000042 C257 1 C AL 100UF 20 16V GP TP 6 3x7 5 2401 000042 C28 1 C AL 100UF 20 16V GP TP 6 3x7 5 2401 000042 C284 1 C AL 100UF 20 16V GP TP 6 3x7 5 2401 000042 C59 1 C AL 100uF 20 16V GP TP 6 3x7 5 2401 000042 C77 1 C AL 100UF 2095 16V GP TP 6 3x7 5 2401 001185 C193 1 C AL 33uF 20 35V GP TP 5x11 5 2401 001185 C233 1 C AL 33uF 20 35V GP TP 5x11 5 2401 001185 C78 1 C AL 33uF 2096 35V GP TP 5x11 5 2401 001197 C256 1 C AL 33uF 2096 50V GP TP 6 3x7 2401 001363 C175 1 C AL 470uF 20 16V GP TP 10x12 5 5 2401 002300 C27 1 C AL 47uF 20 50V GP TP 6 3x11 5 2401 002300 285 1 C AL 47uF 20 50V GP TP 6 3x11 5 2401 002300 C326 1 C AL 47uF 20 50V GP TP 6 3x11 5 2401 002300 C47 1 C AL 47uF 20 50V GP TP 6 3x11 5 2401 002300 C48 1 C AL 47uF 20 50V GP TP 6 3x11 5 2404 000284 C180 1 C TA CHIP 10UF 2096 16V TP 3528 2404 000284 C234 1 C TA CHIP 10uF 20 16V TP 3528 2404 000284 C244 1 C TA CHIP 10uF 20 16V TP 3528 2703 000158 L8 1 INDUCTOR SMD 1uH 10 1 25x2x0 85mm 2801 003699 05 2 1 CRYSTAL UNIT 48MHz 50ppm 28 ABM 12pF 800hm 2801 003960 OSCE 1 CRYSTAL UNIT 28 224MHz 50ppm 28 AAA 18pF 35ohm BK WorkCentre Pro 412 Launch Issue August 2001 Electrical Parts Li
87. C CHIP 100nF 80 20 25V Y5 V TP 1608 2203 000189 C144 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 0145 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C146 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C147 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C149 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C155 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C156 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C16 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C161 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C162 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C163 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C164 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C165 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C166 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C167 1 C CERAMIC CHIP 1 00nF 80 20 25V Y5V TP 1608 2203 000189 C168 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C169 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C170 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C171 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C172 1
88. CHIP 0 33nF 5 50V NPO TP 1608 2203 000815 C11 1 C CERAMIC CHIP 0 033nF 5 50V NPO TP 1608 2203 000815 C12 1 C CERAMIC CHIP 0 033nF 5 50V NPO TP 1608 2203 000815 C13 1 C CERAMIC CHIP 0 033nF 5 50V NPO TP 1608 2203 000815 C14 1 C CERAMIC CHIP 0 033nF 5 50V NPO TP 1608 2203 000815 C15 1 C CERAMIC CHIP 0 033nF 5 50V NPO TP 1608 2203 000815 C154 1 C CERAMIC CHIP 0 033nF 5 50V NPO TP 1608 2203 000815 C220 1 C CERAMIC CHIP 0 033nF 5 50V NPO TP 1608 2203 000815 C286 1 C CERAMIC CHIP 0 033nF 596 50 V NPO TP 1608 2203 001222 C305 1 C CERAMIC CHIP 820pF 10 50V X7R TP 1608 2203 001222 C306 1 C CERAMIC CHIP 820pF 10 50V X7R TP 1608 2203 001222 307 1 C CERAMIC CHIP 820pF 10 50V X7R TP 1608 2203 001222 C308 1 C CERAMIC CHIP 820pF 1096 50 V X7R TP 1608 2203 001222 C309 1 C CERAMIC CHIP 820pF 1096 50 V X7R TP 1608 2203 001222 C310 1 C CERAMIC CHIP 820pF 10 50V X7R TP 1608 2203 001222 C311 1 C CERAMIC CHIP 820pF 10 50V X7R TP 1608 2203 001222 C312 1 C CERAMIC CHIP 820pF 1096 50 V X7R TP 1608 2203 001408 C158 1 C CERAMIC CHIP 0 27nF 596 50V NPO TP 1608 2203 001408 C261 1 C CERAMIC CHIP 0 27nF 596 50V NPO TP 1608 2203 001656 C159 1 C CERAMIC CHIP 0 47nF 596 50V NPO TP 1608 2203 005065 C255 1 C CERAMIC CHIP 1 000nF 80 20 10V Y5V TP 1608 2203 005065 C260 1
89. DEVBIAS Test THV Test THV NEG Test THV TRIGGER TEST 5 All components test To enter the Engine test mode 1 Press Menu 1 9 3 1 in sequence 2 When you see ENGINE TEST press Start ENGINE TEST NO O 5 appears in LCD window 3 Enter the number you want 4 Scroll to the options by pressing Up or Down key repeatedly until you find the one you want 5 Press Start to begin the test 6 After the engine test is finished press Stop to exit the engine test mode WorkCentre Pro 412 August 2001 7 7 Launch Issue Maintenance amp Troubleshooting 7 2 5 Firmware Upgrade 1 Upgrade Local Machine By using ControlCentre Application Parallel amp USB Activate ControlCentre 5 0 Select Firmware Upgrade Window Click Browse Icon to search the Upgrade Firmware Click Upgrade Icon The message Upgrading Firmware will be displayed Wait until the machine is initialised this will happen automatically after completion of the upgrade Click the Refresh icon when the machine has been initialized The machine is now updated with New Firmware 2 Upgrade the Remote Fax Performed on the Local Machine in the Service Center Go to the Tech Mode Search for the Flash Upgrade in Maintenance select REMOTE Enter Remote Fax Number to be upgraded Multiple remote FAXs can be upgraded sequentially if you enter the multiple FAX numbers Select All Remote Fax Number if required C
90. DRAM spec data row address EDO Read Timing Diagram WorkCentre Pro 412 August 2001 5 15 Launch Issue Circuit Description 5 2 5 4 edo DRAM Write Timing data FPM Write Timing Diagram Tcas register 0x0 0x0 0x0 0x1 type 40 ns EDO 50 ns EDO 60 ns EDO 70 ns EDO SFR Values Example for FPM WorkCentre Pro 412 August 2001 5 16 Launch Issue Circuit Description 5 2 6 FS781 Frequency Attenuator This system used FS741 for the main clock for EMI suppression It spreads the source clock in a consistent bandwidth to disperse the energy gathered in order to attenuate the energy The capacitor value of the loop filter PIN 4 is set depending on the source clock used or the spread band width Refer to FS781 Spec for detail 5 2 7 USB Universal Serial Bus NS s USBN9602 is used as the interface IC and 48MHz clock is used Whenthe datais received through the USB port EIRQ1 SIGNAL is activated to send interrupt to CPU then it directly sends the data to DRAM by IOCS4 amp DRAMA 11 SIGNAL through DRAMD 24 31 5 2 8 SRAM 32KB SRAM It stores a variety of option data 5 2 9 FAX Transceiver 5 2 9 1 General This circuit processes transmission signals of modem and between LIU and modem 5 2 9 2 Modem u44 FM336 is a single ship fax modem It has functions of DTMF detection and DTMF signal production as well
91. GIC 74VHC32 OR GATE SOP 14P 150MIL 0801 001056 1 21 1 IC CMOS LOGIC 74VHC32 OR GATE SOP 14P 150MIL 0801 001090 U61 1 IC CMOS LOGIC 74HC14 SCHIMITT INVERTER SOP 1 0801 001262 1 10 1 IC CMOS LOGIC 74HC4060 BINARY COUNTER DIP 16 0803 001393 1 3 1 IC TTL 7407 BUFFER DRIVER SOP 14P 150 0909 000101 1 18 1 IC REAL TIME CLOCK 4513 SOP 14P 300MIL 0 032MHz 1001 000170 1 42 1 IC ANALOG SWITCH MC14051BD SPDT CMOS SOP 16P 15 1001 000171 1 46 1 IC ANALOG SWITCH MC14053BD SPDT CMOS SOP 16P 15 1003 001102 055 1 IC MOTOR DRIVER TEA3718DP DIP 16P 300MIL SINGL 1003 001102 056 1 IC MOTOR DRIVER TEA3718DP DIP 16P 300MIL SINGL 1003 001102 U57 1 IC MOTOR DRIVER TEA3718DP DIP 16P 300MIL SINGL 1003 001102 U58 1 IC MOTOR DRIVER TEA3718DP DIP 16P 300MIL SINGL 1003 001291 U59 1 IC MOTOR DRIVER A2918SWH DIP 18P 1220MIL20W 45V 1006 000243 U33 1 IC LINE TRANSCEIVER 74ACT245 SOP 20P OCTAL ST PL 1006 000243 U34 1 IC LINE TRANSCEIVER 74ACT245 SOP 20P OCTAL ST PL 1105 001252 U53 1 IC DRAM 416C4104 4MX16BIT TSOP 50P 400MIL 50NS 5V 1105 001252 U54 1 IC DRAM 416C4104 4MX16BIT TSOP 50P 400MIL 50NS 5V 1106 001037 U11 1 IC SRAM 62256 32Kx8BIT SOP 28P 450MIL 1106 001384 013 1 IC SRAM 6R1016 64KX16BIT TSOP 44P 400MIL 15NS 5V 1107 001121 1 14 1 IC FLASH MEMORY 29F800 1Mx8 512Kx16Bit TSOP 48P 787MIL 70nS 5V 1107 001121 015 1 IC FLASH MEMORY 29F800 1Mx8 512Kx16Bit TSOP 48P 787MIL 70nS 5V 1107
92. HIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C26 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C262 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C263 1 C CERAMIC CHIP 1 00nF 80 20 25V Y5V TP 1608 2203 000189 C264 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C265 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 August 2001 WorkCentre Pro 412 Launch Issue Electrical Parts List Main PBA SEC CODE Q ty DESCRIPTION 2203 000189 C266 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C267 1 C CERAMIC CHIP 100nF 80 20 25V Y5 V TP 1608 2203 000189 C268 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C269 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C270 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C282 1 C CERAMIC CHIP 100nF 80 20 25V Y5 V TP 1608 2203 000189 C294 1 C CERAMIC CHIP 1 00nF 80 20 25V Y5 V TP 1608 2203 000189 C296 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C298 1 C CERAMIC CHIP 100nF 80 20 25V Y5 V TP 1608 2203 000189 C300 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C31 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C332 1 C CERAMIC CHIP 1 00nF 80 20 25V Y5V TP 1608 2203 000189 C336
93. Hinweise beachten Bei R ckspannung oder erzwungener Entladung besteht Explosionsgefahr Die Batterie darf nur durch eine Batterie gleichen Typs ersetzt werden Die Batterie darf nur im Kundendienstzentrum nicht aber im Haus des Kunden ersetzt werden Die Ersatzbatterie muss vom gleichen Typ und Hersteller sein wie das Original Lithiumbatterien m ssen den vorschriftm Big entsorgt werden Precauciones 1 Aseg rese de que todos los dispositivos de protecci n incorporados est n en su sitio Restaure las cubi ertas protectoras que falten 2 Al reinstalar el chasis y los ensamblajes aseg rese de restaurar todos los dispositivos de protecci n incluyendo mandos de control y cubiertas de compartimientos 3 Aviso de alteraci n del dise o Nunca altere o agregue nada al dise o mec nico o el ctrico de este equipo como conectores auxiliares etc Tales alteraciones y modificaciones anular n la garant a del fab ricante 4 Los componentes piezas y cables que parezcan haber sufrido sobrecalentamiento o da os de otro tipo deben reemplazarse por piezas de repuesto de Xerox Siempre determine la causa del o sobre calentamiento y corrija cualquier tipo de riesgo potencial 5 Observe la ruta original de los mazos de cables especialmente cerca de bordes afilados CA y alimenta ciones el ctricas de alto voltaje Siempre inspeccione si los cables est n pellizcados fuera de lugar o pel ados No cambie el espacio entre los co
94. N PI TG AD GLREF T PI2 REFB i se AFE Sensor Shading 12 bit Interface Acquisition AD converter Vertical Shading Decimation Correction 1024x8 Ga a SRAM 15 0 R G B mmi SRAM D 15 0 Correction SRAM nRD SRAM nWR Image Processing 8192x8 Module 2line Reduction 4096 x16 2 line IRQ Interrupt Control Control TX _ nTX A B TX EN1 EN2 DMA CPU CIP3 Interface Module Register nCS nRD nWR 5 0 D 15 0 nXDREQ nXDACK DUOIP2 Block Diagram 5 18 August 2001 WorkCentre Pro 412 Launch Issue Circuit Description 5 3 2 Key Features Overview 1 0 5um C MOS process TLM 208 PIN STD85 library 2 Frequency 50 MHz 3 On Chip oscillator 4 Method Raster scanning method 5 Image Sauce 300 400 600dpi CIS amp CCD 6 Scanning Mode color gray image each 8 bits RGB mono gray image 8 bits pixel binary image 1 bit pixel for text photo mixed mode 7 Maximum scanning width A3 600dpi 8K effective pixels 8 Ideal MSLT A4 600 300dpi color gray image 3x5Kx80nsec 1 2msec 7 28 CPM mono gray image 1x5Kx80nsec 0 4msec 21 84 CPM binary image 1x5Kx80nsec 0 4msec 21 84 CPM 9 A D conversion depth 12bits Pixel Processing Structure Minimum pixel processing time 4 system clocks High speed pipe lined processing method Shading correction gamma correction enlargement reduction an
95. N00277 1 3 11 PMO KEY STOP 029N00278 1 3 12 PMO KEY START 029N00279 1 WorkCentre Pro 412 August 2001 8 5 Launch Issue Exploded View amp Parts List 8 3 ADF ASS Y Exploded View amp Parts List 8 6 August 2001 WorkCentre Pro 412 Launch Issue 8 3 1 ADF Ass y Parts List Exploded View amp Parts List No DESCRIPTION SEC CODE Q TY REMARK 0 ELA HOU ADF ASS Y 1 1 MEC RACK PLATEN COVER ASS Y 090N00152 1 1 1 PMO TX STACKER 022N01478 1 1 2 IPR WASHER SPRING CY 2 NOT SPARED 1 3 PMO DOC GUIDE L 038N00372 1 1 4 PMO DOC GUIDE R 038N00373 1 1 5 GEAR PINION 1 NOT SPARED 1 6 SPRING HINGE PLATE 1 NOT SPARED 1 7 ROLLER EXIT IDLE 2 NOT SPARED 1 8 IPR SHAFT EXIT 1 1 9 NPR SPRING PINCH DRIVE 2 1 10 PMO COVER PLATEN 1 1 11 PPR SPONG SHEET 025N00081 1 1 12 PPR SHEET PLATEN 1 1 13 IPR SPRING PINCH 3 1 14 IPR SHAFT PINCH 3 1 15 PMO ROLL PINCH 3 1 16 PMO HINGE PLATEN 1 1 17 PMO BUSHING HINGE 1 1 18 PMO HSG HINGE 1 1 19 ICT SHAFT HINGE 1 1 20 RING C 1 1 21 MEA RACK HINGE ASS Y 600N01738 1 2 MEA RACK ADF UPPER ASS Y 600N01739 1 2 1 COVER ADF UPPER 1 2 2 ADF RUBBER 022N01487 1 2 3 HOLDER ADF 019N00610 1 2 4 SPONG ADF 1 2 5 SPRING ADF 1 3 ELA HOU ADF LOWER ASS Y 600N01740 1 3 1 SPRING TORSION DOC 1 3 2 E RING 3 3 3 GEAR ADF 38 1 3 4 PMO BUSH 013N00513 2 3 5 MEC ROLLER DRIVE 0
96. NAL and CAS SIGNAL DRAMWE SIGNAL 15 activated when writing data and DRAMOE SIGNAL when reading You can expand up to 64MBYTE of DRAM in this system 5 12 Oxf f fff ff 0x0000000 DRAM Bank Configuration August 2001 WorkCentre Pro 412 Launch Issue Circuit Description 5 2 5 1 FPM DRAM Reading Timing Fast Page Mode DRAM can access the page mode It can read consecutive cells by accessing the page mode while accessing the burst For FPM DRAM the data are valid only when the nCAS is active While configuring the software you must set the timing register of SFR considering the clock speed and the DRAM spec wait data wait data i gt row address FPM Read Timing Diagram WorkCentre Pro 412 August 2001 5 13 Launch Issue Circuit Description 5 2 5 2 FPM DRAM Write Timing data wait FPM Write Timing Diagram Tcas clock register register SFR Values Example for FPM 5 14 August 2001 WorkCentre Pro 412 Launch Issue Circuit Description 5 2 5 3 EDO DRAM Read Timing Basically the Extended Data Out DRAM is similar to Fast Page Mode DRAM For FPM the data are valid only when the nCAS is active while reading the internal data however it has a latch that the data will be continuously outputted even after the nCAS is inactivated While configuring the software you must set the timing register of SFR considering the clock speed and the
97. NG FEED CAST 1 14 PMO HOLDER PINCH M 1 15 PMO SUB HOLDER FEED 1 16 SPRING FEED MP 1 17 WASHER PLAIN 2 18 PMO ROLLER FEED S 1 19 IPR SHAFT FEED IDLER 4 51 SCREW TAPTITE 3 WorkCentre Pro 412 August 2001 8 19 Launch Issue Exploded View amp Parts List 8 8 MP Ass y Exploded View amp Parts List WorkCentre Pro 412 August 2001 8 20 Launch Issue 8 8 1 MP Ass y Parts List Exploded View amp Parts List No DESCRIPTION SEC CODE Q TY REMARK 0 ELA HOU MP ASS Y 600N01741 1 1 SCREW TAPTITE 2 2 SCREW TAPTITE 1 3 RING E 005N00781 2 4 SOLENOID MP 121N00595 1 5 SPRING CAM MP 009N01364 1 6 SPRING PICK UP MP 1 7 SPRING KNOCKUP MP 009N01365 1 8 IPR BRACKET SOLENOIDE 1 9 PMO HOLDER CAM MPF 1 10 PMO GEAR P U MPF 1 11 PMO ROLLER CAM MP 1 12 PMO ACTUATOR MP 120N00392 1 13 PMO ADJUSTER MP 022N01479 1 14 PMO CAM PICK UP MP 022N01480 1 15 PMO FRAME MP 1 16 PMO HOLDER PAD MP 019N00613 1 17 PMO HOLDER SENSOR MP 130N01206 1 18 PMO HOUSING PICK UP MP 1 19 PMO PLATE KNOCK UP MP 1 20 PMO IDLE PICK UP MP 013N00516 2 21 RPR RUBBER PICK UP MP 1 22 RPR RCT PAD PICKUP MP 019N00612 1 23 RPR PAD KNOCK UP MP 019N00614 1 24 PBA SUB MP SEN 130N01203 1 25 PMO BUSHING PICKUP MP 013N00515 1 26 A S MATERAL PICKUP MP 022N01484 1 WorkCentre Pro 412 August 2001 8 21 Launch Issue Exploded View amp Parts List 8 9 Base Fram
98. NG M2 18 1 NOT SPARED S SCREW ASS Y MACH 2 S SCREW TAPTITE M3 8 BLACK BINDER 17 2 PMO CAM JAM REMOVE 011N00465 1 3 PMO LOCKER DEVE 011N00465 1 4 PMO LEVER JAM REMOVE 011N00465 1 WorkCentre Pro 412 August 2001 8 29 Launch Issue Exploded View amp Parts List 8 13 FuserAss y Exploded View amp Parts List 8 30 August 2001 WorkCentre Pro 412 Launch Issue Exploded View amp Parts List 8 13 1 FuserAss y Parts List No DESCRIPTION SEC CODE Q TY REMARK 0 ELA HOU FUSER 110V ASS Y 126N00182 1 110V ELA HOU FUSER 220V ASS Y 126N00183 1 220V 1 PMO UPPER FUSER 1 2 RMO ROLLER HEAT 1 3 PMO BEARING H R F 1 4 BEARING H R L 1 5 GEAR FUSER 126N00184 1 6 MEA RACK CLAW ASS Y 1 6 1 SPRING SAPERATION 4 6 2 PMO GUIDE CLAW 4 7 1 NOT SPARED 8 IPR PIN ROLLER EXIT 2 9 NPR ELECTRODE GEAR 1 10 NPR ELECTRODE M 1 11 NPR ELECTRODE F 1 12 THERMOSTAT 130N01214 1 13 THERMISTOR FUSER 126N00185 1 14 LAMP HALOGEN 110V 122N00208 1 110V LAMP HALOGEN 220V 122N00209 1 220V 15 PMO LOWER FUSER 1 16 THERMISTOR FUSER 126N00185 1 17 BEARING PRESSURE R 2 18 RMO ROLLER PRESSURE 1 19 PMO LEVER JAM R 1 20 PMO LEVER JAM F 1 21 PMO GUIDE INPUT 1 22 IPR GROUND FU 1 23 PMO ACTUATOR EXIT 1 24 PMO GUIDE DUPLEX 032N00353 1 25 PMO ARM ACTUATOR 1 26 SPRING PR 7300 2 27 LABEL R HV FUSER 1 S1 SCREW TAPTITE 8 52 SCREW TAPTITE 4 WorkCe
99. OENI N3dU 33A02 LN 12912182282 e E B06 tG1 301 ZEEP i xt 3 i Uu gt Pul YL 312182157 E 8908 2 0959 19536 4068 b BND Qu 38 67 tni SU EEES Pe uq M S d3AQJ 1591 052 m blo L lt 108 x31ana lt an3sna NO 83504 VLE L6OSHH v1 912182282 87 az 12 13 Main Circuit Diagram 13 of 14 12 13 August 2001 WorkCentre Pro 412 Launch Issue Schematic Diagrams 14 of 14 ircuit Diagram 12 14 Main C Y AZ INTAUN A 810 E Ud Sel EZ ASZA EOESE TA 0490 20 1 8180 33N01 340 ONJO 0190 399 21 6129 1 E 14834 9333 Tesi Haat 03339 lt 6928 20 30A 34991 Uv daar I Wid ARLE XWLEE LNU b en AdS L ago 24 D e NO 33813 EZ XNLOP LAU 8 0 t XHLOF iEn 52 for nc 20 XULOb LHO 8 WorkCentre Pro 412 August 2001 12 14 Launch Issue EE IEEE Pe qut ON 2109 18 82929 i3uLL Yoda fe
100. OPE GND 1 11 1 PMO GUIDE DP SIDE 1 12 PMO TIE STOPPER 120N00394 2 13 IPR BRKT GROUND B 1 14 IPR BRKT GROUND TR 1 15 IPR BRKT GROUND A 1 16 IPR BRACKET GUIDE B 1 17 PMO BUSHING FEED 1 18 IPR PLATE SAW 2 19 PMO FEED FRAME 1 20 PMO HOLDER SAW 1 21 IPR BRACKET GUIDE A 1 8 12 August 2001 WorkCentre Pro 412 Launch Issue Exploded View amp Parts List This page intentionally blank WorkCentre Pro 412 August 2001 8 13 Launch Issue Exploded View amp Parts List 8 5 Cassette Ass y Exploded View amp Parts List WorkCentre Pro 412 August 2001 8 14 Launch Issue Exploded View amp Parts List 8 5 1 Cassette Ass y Parts List No DESCRIPTION SEC CODE Q TY REMARK 0 MEC CASSETTE ASS Y 050N00393 1 1 IPR FINGER 1 2 IPR GUIDE PLT PAPER 1 3 IPR PLATE K UP 1 4 IPR SPR PLT G SIDE 015N00437 1 5 PMO COVER CASSETTE 1 6 PMO FRAME CASSETTE 1 7 PMO GUIDE FRONT CST 1 8 PMO GUIDE REAR 032N00351 1 9 PMO GUIDE SIDE CST 032N00352 1 10 PMO LOCKER PLATE 015N00438 1 11 PRP PAD CAST 019N00611 2 12 SPRING LOCKER PLATE 015N00439 1 13 SPRING PLATE K UP 015N00435 2 14 LABEL R INSTRUCTION CST 1 15 LABEL R HEIGHT CST 1 S1 SCREW TAPTITE 5 WorkCentre Pro 412 August 2001 8 15 Launch Issue Exploded View amp Parts List 8 6 Exit Ass y Exploded View amp Parts List 8 16 August 2001 WorkCentre Pro 412 Laun
101. R OVERLAY Norwegian 892E79930 1 PPR OVERLAY Swedish 892E79940 1 PPR OVERLAY Hungarian 892E79990 1 PPR OVERLAY Czech 892E79950 1 PPR OVERLAY Polish 892E79960 1 PPR OVERLAY Romanian 892E79980 1 PPR OVERLAY Bulgarian 892E79970 1 PPR OVERLAY Greek English 892E79900 1 23 MPR NAME PLATE XRX 015N00436 1 24 SOLENOID PICK UP 022N01486 1 25 PMO COVER EXIT REAR 002N02009 1 26 A S MATERAL CST RAIL 001N00384 1 26 1 PMO SHEET GUIDE PAPER 1 NOT SPARED 26 2 PMO GUIDE CASSETTE RAIL 1 NOT SPARED 27 PBA LIU US Canada 140N05939 1 PBA LIU Western Europe 140N05945 1 PBA LIU Eastern Europe 140N05946 1 28 PMO DUMMY BASE FRAME 1 NOT SPARED 29 IPR SHIELD MAIN LOWER 1 NOT SPARED 30 PMO COVER FEED AY 1 NOT SPARED 31 PMO COVER BRKT MOTER 002N02017 1 32 PMO GUIDE PAPER OUT 038N00371 1 33 PMO DUCT FAN 1 NOT SPARED WorkCentre Pro 412 Launch Issue August 2001 8 3 Exploded View amp Parts List 8 2 Platen Ass y Exploded View amp Parts List 8 4 August 2001 WorkCentre Pro 412 Launch Issue 8 2 1 Platen Ass y Parts List Exploded View amp Parts List NO SEC CODE PART NAME Q TY REMARK 0 ELA HOU PLATEN ASS Y 090N00151 1 1 MEA RACK SCAN UPPER ASS Y 600N01737 1 1 1 MCT GLASS ADF 118N00171 1 1 2 LABEL L REGISTRATION EDGE L
102. RAIGHT SN CONNECTOR HEADER 1WALL 4P 1R 2 5mm STRAIGHT SN CONNECTOR HEADER BOX 6P 1R 2mm STRAIGHT SN CONNECTOR HEADER BOX 8P 1R 2mm STRAIGHT SN CONNECTOR HEADER BOX 11P 1R 2mm STRAIGHT SN CONNECTOR HEADER BOX 24P 2R 2mm STRAIGHT SN CONNECTOR HEADER BOX 24P 2R 2mm STRAIGHT SN CONNECTOR HEADER BOX 2P 1R 2mm STRAIGHT SN CONNECTOR HEADER BOX 2P 1R 2mm STRAIGHT SN CONNECTOR HEADER BOX 2P 1R 2mm STRAIGHT SN CONNECTOR HEADER BOX 2P 1R 2mm STRAIGHT SN CONNECTOR HEADER BOX 3P 1R 2mm STRAIGHT SN CONNECTOR HEADER BOX 3P 1R 2mm STRAIGHT SN CONNECTOR HEADER BOX 3P 1R 2mm STRAIGHT SN CONNECTOR HEADER BOX 4P 1R 2mm STRAIGHT SN CONNECTOR HEADER BOX 4P 1R 2mm STRAIGHT SN JACK USB 4P 2C 8 38mm AU IVR 22 28 BATTERY LI 3V 220mAH BUTTON 20x3 2mm NO BATTERY NIH 2ND 4 8V 70mAH CYLINDRICAL 35mA 3hr 5 8V IC ASIC UNICON MJC 1300G UNICON QFP 44P IC MASK ROM HIGH ML 165 KM23C8105DG SOP 44P 600 IC MASK ROM PCL6 LOW ml 165 KM23C8105DG SOP 44P 600 IC ASIC SPGPE ML 6060 KS32C61200 QFP 240P 36 4x4 IC ASIC IMAGE PROCESSOR CIP3 SCX 5100 208 5V QFP TP PCB MAIN SCX 5100 FR 4 2L V1 0 1 61 235 215 LABEL R BAR CODE SF500 PY 20X10 T0 1 WHT WorkCentre Pro 412 Launch Issue August 2001 Block Diagram 10 Block Diagram ANT XXL 009 009 1 AS MS M S NEGO HHACO cn aviva aa aras sogas sana VEDI a mmm mmm m ama VEZ X df awmue an3ons
103. THE DOCUMENT COMPANY XEROX WorkCentre Pro 412 Launch Issue SER VICE MANUAL wasa Contents Introduction Service Call Procedures Precautions Specifications Circuit Description Disassembly Maintenance amp Troubleshooting Exploded Views and Parts List N a N Electrical Parts List 10 Block Diagram 11 Connection Diagram 12 Schematic Diagrams Part Number 708 86391 WorkCentre Pro 412 Service Documentation WorkCentre Pro 412 Service Manual August 2001 Prepared by Xerox Europe Global Knowledge amp Language Services Enterprise Centre P O Box 17 Bessemer Road Welwyn Garden City Hertfordshire AL7 1HE England O Copyright 2001 by Xerox Europe Xerox Private Data All service documentation is supplied to Xerox external customers for informational purposes only Xerox service documentation is intended for use by certified product trained service personnel only Xerox does not warrant or represent that it will notify or provide to such customer any future change to this documen tation Customer performed service of equipment or modules components or parts of such equipment may affect whether Xerox is responsible to fix machine defects under the warranty offered by Xerox with respect to such equipment You should consult the applicable warranty for its terms regarding customer or third party provided service While every care has
104. TP 12 TR SMALL SIGNAL 2SC2812 NPN 200mW SOT 23 TP 20 TR SMALL SIGNAL 25C2812 NPN 200mW SOT 23 TP 20 TR SMALL SIGNAL 25C2812 NPN 200mW SOT 23 TP 20 TR SMALL SIGNAL 2 C2812 NPN 200mW SOT 23 TP 20 TR SMALL SIGNAL 25C2812 NPN 200mW SOT 23 TP 20 TR SMALL SIGNAL 25C2812 NPN 200mW SOT 23 TP 20 TR SMALL SIGNAL 25C2812 NPN 200mW SOT 23 TP 20 TR SMALL SIGNAL 25C2812 NPN 200mW SOT 23 TP 20 TR SMALL SIGNAL 25C2812 NPN 200mW SOT 23 TP 20 TR SMALL SIGNAL 2 C2812 NPN 200mW SOT 23 TP 20 TR SMALL SIGNAL 25C2812 NPN 200mW SOT 23 TP 20 TR SMALL SIGNAL 2 C2812 NPN 200mW SOT 23 TP 20 TR SMALL SIGNAL 25C2812 NPN 200mW SOT 23 TP 20 TR SMALL SIGNAL 25C2812 NPN 200mW SOT 23 TP 20 TR SMALL SIGNAL 2 C2812 NPN 200mW SOT 23 TP 20 TR SMALL SIGNAL 2 C2812 NPN 200mW SOT 23 TP 20 TR POWER KSB1151 Y PNP 1 3W TO 126 16 TR POWER KSD1691 NPN 1 3W TO 126 BK 160 IC CMOS LOGIC 74HC00 NAND GATE SOP 14P 150MI IC CMOS LOGIC 74HC74 D FLIP FLOP SOP 14P 150 IC CMOS LOGIC 74HCT273 D FLIP FLOP SOP 20P 3 IC CMOS LOGIC 74HCT273 D FLIP FLOP SOP 20P 3 IC CMOS LOGIC 74VHC08 AND GATE SOP 14P 150MI WorkCentre Pro 412 Launch Issue August 2001 Electrical Parts List Main PBA SEC CODE Q ty DESCRIPTION 0801 001055 1 45 1 IC CMOS LOGIC 74VHC08 AND GATE SOP 14P 150MI 0801 001056 Ut 1 IC CMOS LOGIC 74VHC32 0R GATE SOP 14P 150MIL 0801 001056 1 2 1 IC CMOS LO
105. The host request a reverse channel transfer by setting nINIT low The peripheral signals that it is OK to proceed by setting PE low The peripheral places data on the data lines and indicates a data cycle by setting BUSY high Peripheral asserts nACK low to indicate valid data Host acknowledges by setting nAUTOFD high Peripheral sets nACK high This is the edge that should be used to clock the data into the host Host sets nAUTOFD low to indicate that it is ready for the next byte The cycle repeats but this time it is a command cycle because BUSY is low O1 GQ N WorkCentre Pro 412 August 2001 5 23 Launch Issue Circuit Description 5 4 2 USB INTERFACE CS RD WR AO ALE _ D 7 0 AD 7 0 INTR MODE 1 0 a Vcc Microcontroller Interface GND Endpoint Contol FIFOs 48 MHz XIN XOUT Oscillator Clock CLKOUT Generator Clock Recovery USB Event Detect V3 3 AGND Upstream Port 5 4 2 1 Features Full Speed USB Node Device USB transceiver 3 3V signal voltage regulator 48 MHz oscillator circuit Programmable clock generator Serial Interface Engine consisting of Physical Layer Interface PHY and Media Access Controller MAC USB Specification 1 0 compliant Control Status Register File USB Function Controller with seven FIFO based End points One bidirectional Control Endpoint 0 8bytes Three Transmit Endpoints 2 32
106. V TP 1608 2203 000189 C111 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C112 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C113 1 C CERAMIC CHIP 1 00nF 80 20 25V Y5V TP 1608 2203 000189 C116 1 C CERAMIC CHIP 1 00nF 80 20 25V Y5 V TP 1608 2203 000189 C118 1 C CERAMIC CHIP 100nF 80 2096 25V Y5V TP 1608 2203 000189 C121 1 C CERAMIC CHIP 1 00nF 80 20 25V Y5V TP 1608 2203 000189 C122 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C124 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C125 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C126 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C128 1 C CERAMIC CHIP 100nF 80 20 25V Y5 V TP 1608 2203 000189 C129 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C132 1 C CERAMIC CHIP 100nF 80 20 25V Y5 V TP 1608 2203 000189 C133 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C138 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C139 1 C CERAMIC CHIP 100nF 80 20 25V Y5 V TP 1608 2203 000189 C140 1 C CERAMIC CHIP 1 00nF 80 20 25V Y5 V TP 1608 2203 000189 C141 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C142 1 C CERAMIC CHIP 1 00nF 80 20 25V Y5 V TP 1608 2203 000189 C143 1 C CERAMI
107. V TP 1608 2203 000189 C225 1 C CERAMIC CHIP 100nF 80 2096 25V Y5V TP 1608 2203 000189 C226 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C227 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C228 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C229 1 C CERAMIC CHIP 100nF 80 2096 25V Y5V TP 1608 2203 000189 C236 1 C CERAMIC CHIP 1 00nF 80 20 25V Y5V TP 1608 2203 000189 C237 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 238 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C239 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C240 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C242 1 C CERAMIC CHIP 100nF 80 2096 25V Y5V TP 1608 2203 000189 C243 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C245 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C246 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C247 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C248 1 C CERAMIC CHIP 1 00nF 80 20 25V Y5V TP 1608 2203 000189 C249 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 251 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C253 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C254 1 C CERAMIC C
108. a sicurezza pi importanti sono riportati nell elenco delle parti di ricambio con i simboli illustrati qui di seguito Utilizzare solo componenti con gli stessi valori in particolare per quanto riguarda i valori di resistenza al calore e le specifiche dielettriche Una parte di ricambio con funzioni di sicurezza diverse dalla parte originale pu causare condizioni di pericolo quali scosse elettriche e incendi Precauzioni della batteria al litio La PWBA scheda a circuito stampato principale fornita di una batteria al litio BAT1 Osservare le precauzioni riportate di seguito La batteria pu esplodere se soggetta ad una forzata discarica o tensione inversa Sostituire la batteria ESCLUSIVAMENTE con una dello stesso tipo Sostituire la batteria presso un centro di assistenza tecnica e accertarsi che la batteria di sostituzione sia dello stesso tipo e marca dell originale Le batterie al litio contengono sostanze soggette a controllo e non devono essere aperte frantumate o bruci ate durante eliminazione VorsichtsmaBnahmen 1 Darauf achten dass alle Sicherheitsvorrichtungen vorhanden sind Evtl fehlende Sicherheitsabdeckun gen einbauen 2 Beim Zusammenbau von Komponenten und Geh use alle Sicherheitsvorrichtungen sowie Steuerkn pfe und Abdeckungen installieren 3 Bauart nderungen keinerlei nderung an der mechanischen oder elektrischen Bauart des Ger ts z durch Installation von Zusatzanschl ssen durchf hren Be
109. ake shading profile in the Tech mode Check the gap between original and scanner glass A gap greater than 0 5mm can cause a blurred image Abnormal noise Check the scanner glass and any mechanical disturbance Check the scanner glass is cor rectly located and clean check that the CCD carriage moves smoothly Check the motor driver in Driver PBA If any driver is defective replace the Main PBA U55 or U56 19 to 24V swing signal when operating WorkCentre Pro 412 Launch Issue August 2001 Maintenance amp Troubleshooting 7 4 FAX 7 4 1 FAX Telephone Precautions PROBLEM TEL LINE CAN NOT BE ENGAGED NO DIAL TONE ITEMS TO BE CHECKED When you press the OHD key a Check line cord connection b Check MAIN LIU harness and CN1 LIU PBA Check relay operation of LIU PBA Is the control signal of CN20 7 main low HOW TO SOLVE Insert plug into the socket named line b Replace defective parts c Replace main IF the con trol signal of CN20 7 main is high Replace LIU PBA if high but phone line cannot be con nected Cannot MF dial Check CN20 main PBA main LIU harness and CN1 LIU PBA Replace defective parts MF dial is possi ble but not DP dial Check DP control signal of CN20 11 of MAIN PBA and the circuit around R15 U6 and Q2 of LIU PBA Replace LIU PBA Defec
110. all electrical power to the product The disconnect device is the power cord Remove the plug from the power outlet Ventilation This product should not be placed in a built in installation unless proper ventilation is provided Operator Accessible Areas This product has been designed to restrict operator access to safe areas only Operator access to hazardous areas is restricted with covers or guards which require a tool to remove Ensure that these covers or guards are correctly replaced after every service or maintenance task Maintenance Service Do not to carry out any maintenance or service on the product which is not described this service documenta tion Cleaning Before cleaning this product unplug the product from the power outlet Always use materials specifically des ignated for this product the use of other materials may result in poor performance and may create a hazard ous situation Do not use aerosol cleaners they may become flammable under certain circumstances Precautions 1 Besure that all built in protective devices are in place Restore any missing protective covers 2 When re installing chassis and assemblies be sure to restore all protective devices including control knobs and compartment covers 3 Design Alteration Warning Never alter or add to the mechanical or electrical design of this equipment such as auxiliary connectors etc Such alterations and modifications will void the manufacturer s warranty
111. and 1 64 bytes Three Receive Endpoints 2 32 and 1 64 bytes 8 bit parallel interface with two selectable modes non multiplexed multiplexed Intel compatible DMA support for parallel interface MICROWIRE PLUS Interface 28 pin SO package 5 24 August 2001 WorkCentre Pro 412 Launch Issue Circuit Description cs DATA IN AO DATA_IN WR RD i DATA OUT DATA OUT D 7 0 ADDRESS REGISTERFILE Non Multiplexed Mode Interface Block Diagram ora lt lt I wrte Address Read Data Burst Read Data Non Multiplexed Mode Basic Timing Diagram WorkCentre Pro 412 August 2001 5 25 Launch Issue Circuit Description 5 5 Engine Controller 5 5 1 Fuser Control Thermistor Circuit This circuit controls the heat lamp temperature to fix the transferred toner on the paper Itis comprised of the thermistor thathas the negative resistance against the temperature and LM393 voltage comparator and transistor for switching The thermistor has the resistance value reverse proportional to the heat lamp surface temperature The volt age value is read by 60 pin AVIN2 of CPU referring to the parallel combined resistance with the resis tor R43 connected parallel to it and the voltage distribution of R29 The voltage read activates inactivates fuser signal to high or low referring to the set temperature and when the FUSERON signal turns down high to lo
112. aract ristiques de s curit et la protection qu elles assurent risquent de dispara tre si un composant de rechange diff rent du composant d origine est utilis Ceci est vrai m me dans le cas la pi ce de rechange serait destin e un voltage un amp rage etc sup rieur Les composants essentiels pour la s curit sont indiqu s dans la liste des pi ces par les symboles d crits ci dessous Utiliser uniquement des composants de rechange pr sentant les m mes caract ristiques assign es surtout en mati re de tenue la flamme et de sp cifications di lectriques Une pi ce de rechange ne pr sentant pas les m mes caract ristiques de s curit que la pi ce d origine peut provoquer des accidents lectrocution incendie et autres dangers pour la s curit WorkCentre Pro 412 August 2001 1 11 Launch Issue Introduction Pr cautions relatives aux piles au Lithium La carte PWBA est quip e d une pile au lithium identifi e BAT1 Observez les pr cautions suivantes Il existe un risque d explosion si la pile est l objet d une alimentation forc e ou d un voltage invers Une pile ne doit tre remplac e que par une de m me type La pile ne doit tre remplac e que dans un Centre de maintenance et non chez le client Les piles de remplacement doivent tre de m me type et fabrication que celles d origine Les piles au Lithium contiennent des substances qui n cessitent des contr les et ne doivent pas tre ou
113. as close as possible to their original positions Before removing any component from the machine note the cable routing that will be affected Whenever servicing the machine you must perform as follows 1 Check to verify that documents are not stored in memory 2 Unplug the power cord 3 Use a flat and clean surface 4 Replace only with authorized components 5 Do not use force to remove or install plastic components 6 Make sure all components are correctly installed 6 2 Rear Cover 2 Separate the rear cover from the base frame and a M scanner assembly 1 Remove the six screws securing the rear cover WorkCentre Pro 412 August 2001 6 1 Launch Issue Disassembly and Reassembly 6 3 Scanner Assembly 4 Unplug the two connectors and CCD cable 1 Before you remove the scanner assembly you should remove Rear cover see page 6 3 2 Remove the two screws as shown below CAUTION You should disconnect the CCD cable vertically to avoid CCD cable pin damage 5 Pull up the scanner assembly in the direction of arrow 3 Open the side cover assembly and front cover as shown below Side Cover Assy August 2001 WorkCentre Pro 412 Launch Issue Disassembly and Reassembly 6 Remove the connector from the platen assembly 10 Unplug the one connector and remove the OPE 7 Pull the ADF assembly upward and remove it assembly 8 Remove the eight screws securing the platen a
114. ate electrical charges sufficient to damage ESDs Do not remove a replacement ESD from its pro tective packaging until immediately before installing it Most replacement ESDs are pack aged with all leads shorted together by conduc tive foam aluminum foil or a comparable conductive material Immediately before removing the protective shorting material from the leads of a replacement ESD touch the protective material to the chassis or circuit assembly into which the device will be installed Maintain continuous electrical contact between the ESD and the assembly into which it will be installed until completely plugged or soldered into the circuit Minimize bodily motions when handling un packed replacement ESDs Normal motions such as the brushing together of clothing fabric and lifting one s foot from a carpeted floor can generate static electricity sufficient to damage an ESD 3 1 Precautions This page intentionally blank 3 2 August 2001 WorkCentre Pro 412 Launch Issue Specifications 4 Specifications 4 1 Printer Printing method Laser scanning unit electro photography Print speed 12 PPM Letter size 596 area coverage Resolution True 600 X 600 DPI Emulation PCL6 Operation system Windows 95 98 2000 NT 4 0 Win ME Interface IEEE1284 Nibble ECP USB Windows 98 2000 only without HUB mode Source of Light Laser diode LSU Feed method Cassette type and multi purpose
115. atic Diagrams ircuit Diagram 12 19 SMPS 110 C si CX EU vol rosamer T ber LOI FAC 4 K veu PALANS L PAQLAAS E ozu LAM teu 202 oro TALET Az OMINOOS OZ AOEMNOOS OZ F eS iar sed 5 Laz aver Sinooeeact SEVEN tid TLLTAOS PABLAMS L rse ome eco ek T oru ons 4 me Cars 23 POLAOSANIO ET ep Leu Siu oe PHOLAOS Lo 229 o a n ZO 4 3 ca zirnosawa soi roer Es AS 8 pe Ow G IC A vs re emo E B di 3 soos 1 1 LAS SNOO TOLAOGAIN O KERDI eza ero TEE FOOLAAPZI eze 0 5 Jjnoor se 25 id seo J3OOO0LASE veo CAAA sala EOLAOESNAN D io IUS ezzxo o 85 ZEZAD O PAOOLMAZ 1 x 45 CHE LAAL ANOOOLAGE nozeAooz ee G EVO era Eva oco rers p MLOSObLNNI T usc 1
116. been taken in the preparation of this manual no liability will be accepted by Xerox Europe arising out of any inaccuracies or omissions Xerox Europe Xerox and all identifying numbers used in connection with the Xerox products mentioned in this publication are trademarks of Xerox Europe Printed in the United Kingdom Adobe and PostScript are trademarks of Adobe Systems Incorporated PCL PCL5e and PCLXL2 0 are trademarks of Hewlett Packard Company IBM is a trademark of Interna tional Business Machines Corporation Microsoft Microsoft Windows Windows3 1 Windows3 11 Windows95 98 WindowsNT Windows2000 Microsoft Word MS and MS DOS are trademarks of Microsoft Corporation All other product names are trademarks trade names of their respective owners Table of Contents Table of Contents 1 Introduction ss eua up ertet Mee 1 1 1 1 Organisation TR kg RR eR rime entente 1 1 1 2 Warnings Cautions and Notes 1 1 1 3 Safety Procedures and 1 2 1 4 Heath and Safety Incident Reporting 1 4 1 5 Translation of Warnings and Precautions 1 6 2 Service Call 2 1 SCP 1 Initial Actions 2 1 SCP 2 First Call Actions 2 1 SCP Normal Cal
117. ch Issue 8 6 1 Exit Ass y Parts List Exploded View amp Parts List No DESCRIPTION SEC CODE Q TY REMARK 0 MEC EXIT ASS Y 600N01736 1 1 PMO GUIDE EXIT UPPER 1 2 PMO GUIDE EXIT LOWER 1 3 PMO GUIDE JAM REMOVE 1 4 MEC ROLLER EXIT DRV 007N01115 2 5 PMO ROLLER DECURL 022N01474 4 6 PMO PULLEY DUPLEX 2 7 BELT TIMING GEAR 1 8 GEAR DUPLEX 1 9 PMO BEARING LARGE DP 013N00514 1 10 PMO BEARING LARGE DP 013N00514 4 11 IPR GROUND EXIT 1 12 ICT SHAFT EXIT LOWER ID 1 13 PMO ROLLER EXIT 4 14 SPRING EXIT ROLL FD 2 15 PMO HOLDER EXIT ROLL 4 16 PMO ROLLER FD F 4 17 PMO ROLLER FD R 4 18 SPRING EXIT LOWER IDLE 4 19 MEC BRUSH ANTISTATIC 115N00354 1 51 SCREW TAPTITE 3 WorkCentre Pro 412 August 2001 8 17 Launch Issue Exploded View amp Parts List 8 7 Feeder Ass y Exploded View amp Parts List 8 18 August 2001 WorkCentre Pro 412 Launch Issue 8 7 1 Feeder Ass y Parts List Exploded View amp Parts List No DESCRIPTION SEC CODE Q TY REMARK 0 MEC FEED ASS Y 022N01472 1 1 PMO FRAME FEED 1 2 GEAR FEED 1 3 GEAR MP DUP DRV 1 4 ICT SHAFT FEED 1 5 PMO BUSHING_P U MP 013N00515 1 6 E RING 1 NOT SPARED 7 C RING 1 NOT SPARED 8 PMO BRKT FEED 1 9 PMO ROLLER FEED 022N01470 1 10 PMO HOLDER PINCH C 1 11 PMO HOLDER PINCH SUB 1 12 PMO ROLLER FEED L 3 13 SPRI
118. curled in the exit cover 2 Check the ribs of exit cover for obstructions to the paper path clean the ribs or install a new cover 7 30 August 2001 WorkCentre Pro 412 Launch Issue Maintenance amp Troubleshooting Error Status Check Solution Jam 2 at 1 Tried to print and stack thick paper in 1 When using thick paper such as envelope face up the face up tray card stock label and transparencies one sheet tray 2 Tried to print and stack thin paper in printing is recommended the face up tray 2 Face down tray is recommended for thin paper Jam 2 at 1 Face down tray is full 1 Empty the face down tray face down 2 Paper curls in the face down tray 2 Open the cover front and check that the roller tray and spring are correctly located Clutch error 1 Check the solenoid spring 2 Check the armature assembly cush ion 3 Check the harness and connectors to the clutch 1 Check whether the spring is expanded or not 2 Check for the correct assembly of the arma ture 3 Install new parts as necessary High volt 1 Check the terminal output voltage 1 Remove the toner cartridge open the cover age error 2 Check HVPS and press cover open switch lever Measure the voltage with high voltage probe during print cycle If the voltage is normal install a new toner car tridge 2 Disassemble the left side cover and check HV of the solder side of HVPS if necessary install a new HVPS
119. d binarisation Shading Correction 1 White shading correction support for each R G B 2 White shading data memory 3x8Kx12bits 288Kbits gt 384Kbits external 3 Black shading data memory 3x8Kx12bits 288Kbits 384Kbits external Gamma Correction 1 Independent gamma table for each RGB component 2 Gamma table data memory 3x1Kx8bits 24Kbits internal Binarisation mono 1 256 Gray s halftone representation for photo document 3x5 EDF Error DifFusion method proposed by Stucki 2 LAT Local Adaptive Thresholding for text document use of 5x5 LOCAL WINDOW TIP ALGORITHM ABC Automatic Background Control Tmin automatic change 3 Mixed mode processing for text photo mixed document 4 EDF data memory 2x4Kx16bits 128Kbits internal 5 LAT data memory 4x4Kx16bits 256Kbits external Scaling of Input Image 1 Scaling factor Horizontal direction 25 to 800 by 1 unit Vertical direction 25 to 100 by 1 unit 2 Scaling data memory 2x8Kx8bits 128Kbits internal WorkCentre Pro 412 August 2001 5 19 Launch Issue Circuit Description Intelligent scan motor controller 1 Automatic acceleration deceleration uniform velocity 2 Data memory 256x16bits 4Kbits internal Auto Run Automatic CLK LINE line processing start control and TG line scan start control signal generation 1 Available re synchronisation of e TG signal 2 programmable TG s period
120. d by the DUTY width Q203 switches with PWM DUTY cycle to fluctuate the output by fluctuating the OP AMP non inverting end VREF electric potential and the maximum is output at 0 and the minimum at 100 Transfer output unit is THV EA L enable When THV EA is L Q302 turns on and the VCE electric potential of Q302 will be formed and sends IB to TRANS auxiliary wire through R311 C305 and VR302 via current restricting resistance R314 and eventually Q303 will turn on When the current is accepted to Q303 Q303 s Ic increases to the current proportional to time through the T301 primary coil and when it reaches the Hfe limit of Q303 it will not retain the on state but will turn to off As Q303 turns TRANS 1 will have counter electromotive force discharge energy to the secondary coil send current to load and output THV voltage through the high voltage output enable which is comprised of Regulation circuit sv R201 02 u2 CEP gt 2431 24VS C206 C208 6KVATOpF e A 1 402 L D204 wp 0205 0207 1N4148 TT 2 skv ekv C209 is e eti U 7 R213 5 6 1 1 1 22K C207 T 0204 2 3KV470pF D526 24VS C201 C202 D202 11 24 avs TS T 6 Vie e faa Mt 845 1MF 8216 R218 SBR306 MGR1 2W100KF C101 35V47uF 5 2 4 4 1 0204 R215 R217 R212 0203 D203
121. e Exploded View amp Parts List 8 22 August 2001 WorkCentre Pro 412 Launch Issue Exploded View amp Parts List 8 9 1 Base Frame Parts List No DESCRIPTION SEC CODE Q ELA HOU BASE FRAME ASS Y SCREW TAPTITE SCREW TAPTITE SCREW TAPTITE SPRING TORSION FOOT RUBBER 017N00212 CAM CATCH IPR CHANNEL BASE FRAME IPR GROUND PLATE A OPC 015N00440 IPR GROUND PLATE B BASE 015N00441 PMO BASE FRAME PMO BRACKET PUSH DEVE PMO BRACKET SIDE OPEN 030N00606 PMO COVER FRONT DUMMY ELA M MEDIO AUD SPEAKER 130N01213 SPRING DEVE lt REMARK N O1 A 05 N A _ _ A N A _ A no ma j 4 WorkCentre Pro 412 August 2001 8 23 Launch Issue Exploded View amp Parts List 8 10 Pick up Ass y Exploded View amp Parts List 20 1 x 90 8 24 August 2001 WorkCentre Pro 412 Launch Issue 8 10 1 Pick up Ass y Parts List Exploded View amp Parts List No DESCRIPTION SEC CODE Q TY REMARK 0 ELA HOU PICKUP ASS Y 022N01485 1 1 IPR GND FEED 1 2 IPR GND INPUT 152N01895 1 3 IPR GUIDE INPUT 022N01481 1 4 PMO ACTUATOR EMPTY 120N00393 1 5 PMO BEARING SHAFT 006N01093 1 6 PMO BUSHING PICK UP MP 013N00515 1 7 PMO FEED SENSOR
122. e dalla presa durante esecuzione di operazioni che non richiedono I utilizzo di elettricit Scosse elettriche accidentali possono causare lesioni personali morte Alimentazione Utilizzare il prodotto esclusivamente con il tipo di energia indicato e collegarlo a un circuito protettivo con messa a terra Sicurezza elettrica Accertarsi che il prodotto non riceva elettricit durante le operazioni di intervento sui circuiti elettrici o sulle parti meccaniche Il dispositivo di disattivazione del prodotto costituito dal cavo di alimentazione il quale deve essere scollegato dalla presa Ventilazione Non installare apparecchio in un alloggiamento a incasso a meno che sia garantita una ventilazione adeguata Aree accessibili per operatore Questo prodotto stato progettato in modo da impedire accesso dell operatore ad aree non sicure queste sono protette da coperture o schermi che richiedono utilizzo di attrezzi per la rimozione Accertarsi che le coperture o gli schermi siano reinseriti in seguito a qualunque operazione di manutenzione o di assistenza del prodotto Manutenzione e assistenza Non effettuare alcuna operazione di manutenzione o di assistenza non descritta nella documentazione del prodotto Pulizia del prodotto Prima di eseguire operazioni di pulizia scollegare il cavo di alimentazione dalla presa a muro Utilizzare sem pre prodotti specifici per questo apparecchio utilizzo di p
123. e printout MDSP multiple document single printout 4 5 Power Supply Power rating AC 110V to 127V 15 50 60 2 3Hz AC 220V to 240V 15 50 60Hz 3Hz Power consumption Average 300W Power saving consumption Average 30W WorkCentre Pro 412 Launch Issue August 2001 4 3 Specifications 4 6 Dimension Machine size W x D x H 554 5x 433 9 x 459 1 mm 21 8 x 17 x 18 inches Machine weight About 23 Kg 50 6 pounds with CRU 4 7 Packaging Power cord 1ea USA standard ivory IEEE 1284 cable No USB cable lea CD ROM lea Cartridge Drum CRU 1EA toner CRU 1EA Manual 1vol 4 8 Environmental Condition Absolute storage Temperature 20 to 40 degrees C 68 to 104 degrees F Humidity 1096 RH to 95 RH Recommended operating Temperature 6 to 30 degrees C 43 to 86 degrees F condition Humidity 30 RH to 70 RH 4 9 Machine Life Product life 5 years Product life in pages 150 000 printing pages A4 size 596 area coverage Maximum monthly duty cycle 2 500 printing pages A4 size 596 area coverage 4 4 August 2001 WorkCentre Pro 412 Launch Issue Circuit Description 5 Circuit Description 5 1 Main PBA 5 1 1 Summary The main circuit that consists of CPU MFP controller built in 32bit RISC processor core ARM7TDMI includ ing various I O device drivers system memo
124. e seal tape been 1 Remove the seal tape removed 2 Measure the resistance 2 Is the GND OPC well between frame ground and grounded the ground spring attached to 3 LSU running well the frame If necessary clean 4 Is the bias voltage normal the components to achieve a 5 Low toner good earth 6 Is there video data from Main 3 Adjust LSU or install a new PBA LSI 4 Normal Dev bias 350V 5 f necessary install a new toner cartridge 6 Test engine test pattern if necessary install a new Main PBA Light image 1 Has the seal tape been 1 Remove the seal tape removed 2 LSU light power check is diffi 2 LSU light power normal cult 3 Enough toner Compare with new one and 4 High charger voltage check 5 Lower bias voltage 3 Check toner and developer 6 Contamination of high voltage counter contact 4 and 5 Check all high voltage 7 Transfer voltage and roller outputs 6 Leakage of toner cause bad contacts and increases con tact resistance Clean the con taminated area Dark image 1 LSU light power normal 1 Check the rated level and 2 Bias voltage output is high replace 3 Video data is always supplied 2 Set to correct voltage 3 Replace defected board WorkCentre Pro 412 Launch Issue August 2001 Maintenance amp Troubleshooting Error Status Check Solution Background 1 High voltage output is normal 1 Set to correct voltage 2 C R of toner cartrid
125. ections of this manual Signals from the key matrix are delivered to U1 input pin group D1 to D6 U1 pin 48 TX DATA is the UART code sent to MAIN PBA Display from the controller is received at U1 pin 5 RX DATA LCD drive signals are sent from U1 P2 x pin group P3 4 to P3 6 pins Machine status LED drive signals are sent from U1 LEDO to LED7 RESONATOR 7 37 MHz UART2 LCD 16u 2line Connector Reset Key Matrix LEDs OPE BLOCK DIAGRAM 5 34 August 2001 WorkCentre Pro 412 Launch Issue Circuit Description 5 7 LIU PBA 5 7 1 SUMMARY LIU WIRE CONNECTS Main B D s MODEM AND LINE PARTS AND IMPEDANCE MATCHING AC DC RING DETECTION PART and LINE SEIZURE DIALER 5 7 2 DC MATCHING PART Normal movement range of LIU is 12mA to 9mA Adapting CTR21 standard the regulation limits to 60mA CURRENT flow through the terminal Therefore select EU PIT Option to connect necessary items then the current through LIU will not exceed 60mA CTR21 Standard Europe 12mA 60mA OTHER Standard U S 12mA to 90mA DC has a character to pass through the LINE And with Q1 VN2410 GATE section s LINE INPUT current and Q1 Source connection to R20 can be decided as follows VDCR ILINE X R20 VDCR Tip Ring CD Voltage ILINE Current flow VL1 Line Input Voltage VL1 VBD1 VCE Q2 VDS Q1 5 7 3 AC MATCHING PART Basic LIU s AC IMPEDANCE is 600 and
126. ed WorkCentre Pro 412 August 2001 1 7 Launch Issue Introduction Operator Accessible Areas This product has been designed to restrict operator access to safe areas only Operator access to hazardous areas is restricted with covers or guards which require a tool to remove Ensure that these covers or guards are correctly replaced after every service or maintenance task Maintenance Service Do not to carry out any maintenance or service on the product which is not described this service documenta tion Cleaning Before cleaning this product unplug the product from the power outlet Always use materials specifically des ignated for this product the use of other materials may result in poor performance and may create a hazard ous situation Do not use aerosol cleaners they may become flammable under certain circumstances AVERTISSEMENT Cette mention indique des informations relatives diff rentes situations de maintenance S curit g n rale Avertissement Mettre la machine hors tension et d brancher le cordon d alimentation de la prise murale lors d interventions qui ne n cessitent pas que l alimentation soit maintenue Un contact avec une zone sous tension peut mettre en danger la s curit des personnes Alimentation Ce produit doit tre utilis avec l alimentation indiqu sur la plaque de la machine Ce produit doit tre connect un circuit avec mise la terre S curit Pendant toute cette proc dure
127. entre Pro 412 Launch Issue Schematic Diagrams 12 24 Sensor Circuit Diagram COMPANY NAME e a 12 24 August 2001 WorkCentre Pro 412 Launch Issue Schematic Diagrams 12 25 Toner RX Circuit Diagram COMPANY NAME Toner 89120 Eu D D e LO eo WorkCentre Pro 412 August 2001 12 25 Launch Issue Schematic Diagrams ircuit Diagram 12 26 Toner TX C 3 VO SEEDS 18945 veguny Duimesg D IA xao JUIL n _ 18602 112 1148 padueya 190 05350 50595 m 215515 1031 WorkCentre Pro 412 August 2001 12 26 Launch Issue
128. er periodic mm 3 Defect repeated every 47 mm Different 1 Charge roller s pressure is 1 and 2 Install a new toner cartridge image den uneven along it s length 3 Check left and right spring of transfer sity 2 Dev roller and OPC or roller and the developer spring inside the left and Dev roller and blade s pres unit right sure is uneven along it s length 3 Transfer roller s pressure is uneven along it s length Horizontal 1 Poor high voltage contact 1 Clean each contact and check good band 2 Charge roller contamina contact tion 2 Clean charge roller 3 Heat roller contamination 3 Install a new fuser 4 Malfunction of LSU 4 Check Main PBA NO Roller Abnormal image period Kind of abnormal image 1 OPC drum 94 29mm White spot WorkCentre Pro 412 August 2001 7 15 Launch Issue Maintenance amp Troubleshooting NO Roller Abnormal image period Kind of abnormal image 2 Charge roller 31 68mm Black spot 3 Supply roller 42 70mm Horizontal density band 4 Developer 56 52mm Horizontal density band roller 5 Transfer roller 57 78mm Black side contamination transfer fault Heat roller 82 89mm Black spot White spot 7 Pressure roller 69 08mm Black side contamination WorkCentre Pro 412 August 2001 7 16 Launch Issue No image ics YES Maintenance amp Troubleshooting de s a Self
129. er 222 zz 3 e LAO MI o AIT LIT sas E Vv EA T SEASELASS G 2 SNOOOLASE Te razza E Aver 5244 Laa 45 vSAGEI NA vOLXO O ygngz S La 12 19 August 2001 WorkCentre Pro 412 Launch Issue Schematic Diagrams it Diagram 12 20 SMPS 220 YOLAOSAW O CS ak Bit LEONES x SEN T o LOI an ez eS AR 5 FAC Le Lod ves ra mer CHO VANS LAM teu 202 sio AZ AOCANINGOS CIZ v res mel 94 inooee oL SEVEN Lid remi dos Ends vin 4 i m Cars La 4 PT M m LEN S sta rem Lo dheense o 1 o 5 215 ZZ 3 4 2 eu ELPAOSAVEO soi U lt K s 8 ES 5 r
130. er abziehen Nur die speziell f r das Ger t empfohlenen Teile und Verbrauchsmaterialien benutzen da im anderen Fall schlechte Laufleistung und Sicherheitsrisiken m glich sind Keine Reinigungssprays verwenden da diese sich ggf entz nden k nnen AVISO Los siguientes son declaraciones generales de aviso aplicables en varias situaciones de servicio o mantenimiento Aviso de seguridad general Apague la m quina y desenchufe el cable de alimentaci n de la toma de corriente para realizar tareas que no necesiten que se tenga corriente el ctrica en la m quina El contacto con la corriente el ctrica puede causar lesiones e incluso la muerte Fuente de alimentaci n el ctrica Este producto debe utilizarse con el tipo de alimentaci n el ctrica que se indique en la etiqueta o placa de datos t cnicos del producto Este producto debe conectarse a un circuito con puesta a tierra de protecci n Seguridad en el trabajo Durante este procedimiento antes de trabajar en alg n circuito el ctrico o componente impulsor mec nico desconecte el producto de la corriente el ctrica El dispositivo de desconexi n es el cable de alimentaci n Desconecte el enchufe de la toma de corriente Ventilaci n Este producto no debe colocarse en un lugar empotrado al menos que se tenga la ventilaci n apropiada reas accesibles por el operador Este producto est disefiado para limitar el acceso del operador solamente a reas seguras El acceso del operad
131. fe 7 3 August 2001 WorkCentre Pro 412 Launch Issue Maintenance amp Troubleshooting Error Message Description Solution REPLACE DRUM When the machine has encoun tered the end of life 15000 print pages The drum has reached the end of it s life install a new ELA OPC UNIT SET PL 1 7 NO CARTRIDGE The machine detected the toner cartridge has not been installed Check that the toner cartridge is fully seated in the machine BYPASS JAM The machine has detected no Clear the jam feed from bypass Tray DUPLEX JAM The machine detected a duplex Clear the jam jam in the middle of machine LINE BUSY The remote FAX didn t answer Try again 7 4 WorkCentre Pro 412 August 2001 Launch Issue Maintenance amp Troubleshooting 7 2 2 Test Mode The test mode is used to test certain functions of the machine The available tests are User mode Clean drum Notify toner low tech mode switch test modem test SRAM test DRAM test ROM test Pattern test Clear count Answer On CNG Adjust shading Flash upgrade To enter the Tech Mode 1 Enterthe Tech mode by pressing Menu 1 9 3 4 The letter T will appear in the top right of the dis play In Tech mode press Menu Maintenance System is displayed on the LCD Press the Select key Scroll to the options by pressing Up and Down navigation key repeatedly until the correct selection is found 5 Pres
132. ge is con 2 Install a new toner cartridge taminated Ghost 1 High voltage output 1 Check all high voltage out 2 Pre transfer lamp puts 3 Bad high voltage contact 2 Check the operation of the pre transfer lamp 3 Clean the contaminated con tact 7 14 August 2001 WorkCentre Pro 412 Launch Issue Maintenance amp Troubleshooting Error Status Check Solution Stains on 1 Contamination of transfer 1 Clean the transfer roller with vacuum back of roller cleaner paper 2 Stains of paper path 2 Clean the area of paper path with 3 Pressure roller s contami cloth or air cleaner nation 3 Install a new fuser Poor Fusing 1 Check the paper quality 1 Try alternative paper 2 Check fusing temperature 2 Check engine controller board 3 The machine has been in a Measure the thermistor voltage to CPU low temperature for a long 2 62V 5 will be measured if the sys period of time tem is working correctly Check the ther mistor contact and thermistor 3 Re check the fusing after placing the machine in a warm place for an hour or more Partial blank 1 Toner is low 1 Install a new toner cartridge image 2 The toner cartridge is out of 2 Ensure the toner cartridge is correctly not peri position installed odic Partial blank 1 Damaged developer unit 1 and 2 Install a new toner cartridge image 2 Defect repeated every 94 3 Install a new transfer roll
133. ge or overheating and correct any potential hazards Observe the original harness routing especially near sharp edges AC and high voltage power supplies Always inspect for pinched out of place or frayed wiring Do not change the spacing between compo nents and the printed circuit board Product Safety Notice Some electrical and mechanical parts have special safety related characteristics which might not be obvious from visual inspection These safety features and the protection they provide could be lost if replacement component differs from the original This holds true even though the replacement may be rated for higher voltage wattage etc Components critical for safety are indicated in the parts list with symbols shown below Use only replace ment components that have the same ratings especially for flame resistance and dielectric specifications A replacement part that does not have the same safety characteristics as the original may create shock fire or other safety hazards Lithium battery precautions The Main PWBA is provided with a lithium Cell designated BAT1 Observe the following precautions There could be a danger of explosion if the battery is subject to forced discharge or reverse voltage The battery must only be replaced with the same type The battery should only be replaced at a service centre not at a customer location The replacement battery must be the same type and manufacturer as the original Lithium bat
134. gulations electromagnetic regulations and established environmental standards WARNING Any unauthorised alteration which may include the addition of new functions the connection of exter nal devices or the use of components not specified by Xerox may impact the products certification safety performance or compliance with legislation Warning markings All warning instructions marked on or supplied with the product should be followed WARNING A warning is used whenever an operating service or maintenance procedure practice condition or statement if not strictly observed could result in personal injury WARNING Alerts to areas of the product where there are heated surfaces which must be avoided during service or maintenance operations WARNING The following are general warning statements which apply in various service or maintenance situa tions WorkCentre Pro 412 August 2001 1 2 Launch Issue Introduction General Safety Warning Switch off the power to the machine and disconnect the power cord from the outlet while performing tasks that do not need the electricity on Contact with electricity can cause death or injury Power Supply This product must be operated from the type of power supply indicated on the product s data plate label This product must be connected to a protective earth circuit Safe Working Throughout this procedure prior to working on any electrical circuit or any mechanical drive component discon nect
135. i solchen nderungen wird die Garantie des Herstellers ung ltig 4 Komponenten oder Kabel Dr hte die berhitzt oder anderweitig besch digt sind m ssen durch Ersatz teile von Xerox ersetzt werden Die Ursache einer berhitzung muss immer gesucht und entsprechende Gefahrenquellen beseitigt werden WorkCentre Pro 412 August 2001 1 12 Launch Issue Introduction 5 Kabelbaum Netzkabel und Hochspannungskabel besonders in der N he scharfer Kanten auf Sch den und Positions nderungen berpr fen Der Abstand zwischen Komponenten und der Leiterplatte darf nicht ge ndert werden 6 Ger tesicherheit Einige elektrische und mechanische Komponenten verf gen ber bestimmte nicht sich tbare Sicherheitsmerkmale Werden Komponenten durch solche anderer Bauart ersetzt bieten diese ggf nicht denselben Gefahrenschutz wie die Originalkomponenten Das gilt auch dann wenn die Ersatzteile f r eine h here Spannung ausgelegt sind o 7 F r die Betriebssicherheit wichtige Komponenten sind in der Teileliste mit dem unten gezeigten Symbol gekennzeichnet Es d rfen nur Ersatzteile mit der gleichen Sicherheitsauslegung insbesondere mit den gleichen dielektrischen und flammhemmenden Spezifikationen verwendet werden Bei Einbau einer Komponente mit einer anderen Sicherheitsauslegung als der des Originals bestehen Stromschlag Brand und weitere Sicherheitsrisiken Lithiumbatterie Das Haupt PWBA enth lt eine Lithiumbatterie BAT1 Folgende
136. ilisation ou de maintenance peut provo quer des blessures si elle n est pas strictement respect e AVVERTENZA Un avvertenza viene utilizzata per segnalare procedure operazioni condizioni o istruzioni operative e di manutenzione la cui mancata osservanza pu causare infortuni VORSICHT Warnhinweise dieser Art gelten f r Anweisungen und Situationen bei deren Nichtbeachtung bzw Auftreten Verletzungsgefahr besteht AVISO Los avisos se utilizan cuando un procedimiento ejercicio condici n o declaraci n de funcionamiento o mantenimiento puede producir lesiones personales si no se sigue estrictamente WARNING Any unauthorised alteration which may include the addition of new functions the connection of exter nal devices or the use of components not specified by Xerox may impact the products certification safety performance or compliance with legislation AVERTISSEMENT Toute modification non autoris e qu il s agisse de l ajout de nouvelles fonctions de la connexion de dispositifs externes ou de l utilisation de composants non recommand s par Xerox peut entra ner l annulation de la garantie AVVERTENZA Qualunque modifica che implichi aggiungimento di nuove funzioni il collegamento ad un dispositivo esterno oI utilizzo di componenti non autorizzati da Xerox pu invalidare la certificazione e le dichiar azioni di conformit del prodotto nonch compromettere la sicurezza operativa di questo VORSICHT Warnhinwe
137. ions Precautions Follow these ESD precautions to prevent equipment damage 1 Certain semiconductor devices can be easily 5 damaged by static electricity Such components are commonly called Electrostatically Sensitive ES Devices or ESDs Examples of typical 6 ESDs are integrated circuits some field effect transistors and semiconductor chip compo nents The techniques outlined below should be fol lowed to help reduce the incidence of component 7 damage caused by static electricity CAUTION Be sure no power is applied to the chassis or circuit and observe all other safety precau 8 tions 2 Before handling a semiconductor component or semiconductor equipped assembly drain off any o electrostatic charge on your body by using the standard Xerox ESD protection kit which should be removed for your personal safety reasons prior to applying power to the machine 3 After removing an electrical assembly equipped with ESDs place the assembly on the conduc tive mat of the ESD kit to prevent electrostatic charge buildup in the vicinity of the assembly 4 Useonly a grounded tip soldering iron to solder or de solder ESDs Use only an anti static solder removal device Some solder removal devices not classified as anti static can generate electrical charges suffi cient to damage ESDs WorkCentre Pro 412 August 2001 Launch Issue Do not use Freon propelled chemicals When sprayed these can gener
138. is feeding dl 27 feed solenoid can b heard when start print Be E pressed m Check the solenoid and wiring if necessary install new parts If the solenoid amp wiring are good install a new main PBA bn as 7 Does the NO p paper move gt gt ERN Check for the correct assembly of the pick up unit correct the assembly or install a new pick up unit YES E Does NO p c TT paper move more than gt lt paper in the gt TL 100mm 2855 feeder 7 di ai YES YES p Wo Check the feeder sensor and wiring if necessary install sensor and paper Reduce the amount width detect sensor new parts If the sensor and aie test are assembled wiring are good install a new eae cS are assembled main PBA 7 YES P Paper guides NO Correctly adjust the Switch them k paper paper guides YES 4 MT P A ENT aic cm NO 27 Isthe NO lt Paper end curled 2 0 extender ee ves pes v Use the recommended Recommendation and quality paper Use the MPF for the thick paper such as envelope and cardstock 7 34 August 2001 WorkCentre Pro 412 Launch Issue Maintenance amp Troubleshooting Paper Jam Jam 1 The Paper NO Paper 2 NO Check the exit sensor and wiring to the main stopped before stopped as
139. ise dieser Art gelten f r Anweisungen und Situationen bei deren Nichtbeachtung bzw Auftreten Verletzungsgefahr besteht AVISO Cualquier modificaci n no autorizada que puede incluir la adici n de nuevas funciones la conexi n de dispositivos externos o el uso de componentes no especificados por Xerox puede afectar a la cer tificaci n del producto el funcionamiento seguro o el cumplimiento de la legislaci n WARNING A warning is used whenever an operating service or maintenance procedure practice condition or statement if not strictly observed could result in personal injury AVERTISSEMENT WorkCentre Pro 412 August 2001 1 6 Launch Issue Introduction Un avertissement est utilis chaque fois qu une proc dure de maintenance ou qu une manipulation pr sente un risque de blessure si elle n a pas t strictement observ e AVVERTENZA Un avvertenza viene utilizzata per segnalare procedure operazioni condizioni o istruzioni operative e di manutenzione la cui mancata osservanza pu causare infortuni VORSICHT Warnhinweise dieser Art gelten f r Anweisungen und Situationen bei deren Nichtbeachtung bzw Auftreten Verletzungsgefahr besteht AVISO Los avisos se utilizan cuando un procedimiento ejercicio condici n o declaraci n de funcionamiento servicio o mantenimiento puede producir lesiones personales si no se sigue estrictamente WARNING Alerts to areas of the product where there are heated surfaces which
140. l AI Da BASSE ZHW bee uu 23 1 068 M 5050 d N 3489 jT img gw TH 310033 gt lum 1 accru ES am 3900 ME 155 9 2 f 96569 25544 34 2529 810 NISXLTW XATHIQON di TIE LYXALH300N W300H LATE 135327 207 1 812182282 RULES ta cei ria a T 479340 18050910 ER IS 833 5 21 61138966 Oras NES THLN2 H gall tha T sur JI VXL W3COH 27901 Yee YTA ER VUE MEL I 5 L U8LSBF KOH 21 n T 1 Sax 2 Sa aa bx 2X 5 ale f 9 of 14 ad ai b gt Sen DBESOP LIN 103443334 103823334 301443414 1103443532 9103823534 63133814 20343534 4 151 31514 a 160 iagram ansa 5 upa sant Em 2906 LEER 0845 A8 LH AAY 32684 nn 94 00 8322 5523 1825 2812 2813 3810 2820 9123 zoa dd 224 ona 11
141. l Actions 2 2 SCP 4 Fault Analysis 2 2 SGP 5 Final Actions 53 ra eme Eb th Me RE 2 2 3 Precautions u rr u ADR 3 1 4 Specifications snes mia VE ERR DIE ME ERAS 4 1 Aa Pantera es ett Coy ox edere a 4 1 4 2 Facsimile e PRA LOL ERE CERIS epoca 4 2 4 3 Scanner 22 s ne rd e act e RI a 4 2 4 4 COPIER RE m ae ee 4 3 4 5 Power Supply 4 3 4 6 DIMENSION is Ur tre E EUR D eng t o et 4 4 4 7 td ai LER 4 4 4 8 Environmental 4 4 4 9 Machine Lite srs ol cepere Ek euer vers 4 4 5 Circuit Description favs ias 5 1 5 1 Main PBA fora iie ee le eI e Ne dels 5 1 5 2 Circuit Operation ici pee pellex ER RUE RR EE 5 2 o e TROIE POR e cete RUE 5 18 5 4 Host Interface cel Rex mer ev 5 22 5 5 Engine Controller 5 26 5 6 eos ue dus o naa ceo 5 34 527 EIU PBA 22 25 425828 o a LESE ESAE IET 5 35 5 8 SMPS Switching Mode Power Supply Unit 5 36 6 Disassembly Reassembly 6 1 6 1 General Precautions on
142. ll Either delete unnecessary doc uments or re transmit after more memory becomes avail able or split the transmission into more than one operation NO ANSWER The remote machine did not Try again answer after all the re dial Make sure the remote machine attempts is OK NO NOT The speed dial location you tried Dial the number manually with ASSIGNED to use has no number assigned the keypad or assign the num to it ber to the speed dial and try again NO PAPER The paper has run out The Load new paper in the paper ADD PAPER printer system stops tray OVERHEAT The printer has overheated The machine will automatically return to the standby mode when it cools down to normal operating temperature If fail ure persists install a new ELA HOU FUSER PL 1 14 7 2 August 2001 WorkCentre Pro 412 Launch Issue Maintenance amp Troubleshooting Error Message Description Solution PAPER JAM 0 paper has jammed in paper Press STOP and clear the jam OPEN CLOSE feeding area DOOR paper is jammed in pick up unit PAPER JAM 1 paper has jammed inside the Clear the jam OPEN CLOSE unit DOOR paper has jammed in paper exit unit TONER EMPTY The machine has encountered the toner empty condition Install a new ELA TONER UNIT SET PL 1 8 DRUM WARNING The machine has encountered the drum life 14000 print pages The drum 15 nearing the end of it s li
143. m 5 63mW L CHIP 8P TP 2011 001094 16 1 R NETWORK 390hm 5 63mW L CHIP 8P TP 2011 001094 17 1 R NETWORK 390hm 5 63mW L CHIP 8P TP 2011 001094 18 1 R NETWORK 390hm 5 63mW L CHIP 8P TP 2011 001094 19 1 R NETWORK 390hm 5 63mW L CHIP 8P TP August 2001 WorkCentre Pro 412 Launch Issue Electrical Parts List Main PBA SEC CODE Q ty DESCRIPTION 2011 001094 2 1 R NETWORK 390hm 5 63mW L CHIP 8P TP 2011 001094 20 1 R NETWORK 390hm 5 63mW L CHIP 8P TP 2011 001094 1 R NETWORK 390hm 5 63mW L CHIP 8P TP 2011 001094 4 1 R NETWORK 390hm 5 63mW L CHIP 8P TP 2011 001094 1 R NETWORK 390hm 5 63mW L CHIP 8P TP 2011 001094 RA6 1 R NETWORK 390hm 5 63mW L CHIP 8P TP 2011 001094 RA7 1 R NETWORK 390hm 5 63mW L CHIP 8P TP 2011 001094 1 R NETWORK 390hm 5 63mW L CHIP 8P TP 2011 001094 1 R NETWORK 390hm 5 63mW L CHIP 8P TP 2011 001334 1025 1 RC NETWORK 1K 5 1K 390hm 1096 150pF 6V 28P 2203 000189 C101 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C102 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C104 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C107 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C109 1 C CERAMIC CHIP 100nF 80 20 25V Y5V TP 1608 2203 000189 C110 1 C CERAMIC CHIP 1 00nF 80 20 25V Y5
144. memory is erased ROM Test This test mode will display and check the current ROM level in your machine FLASH VER 1 00 V ENGINE VER 1 00 V DRAM Test This test checks the DRAM memory status and shows if it is functioning properly Pattern Test 1 Select Pattern Test 2 There are 4 different pattern tests Scroll to the options by pressing Up or Down repeatedly until you find the correct selection 3 Press Select key ADJUST Shading This procedure is needed to set make a new shading reference value The reference value is preset at fac tory However when a new CCD or main board is installed the reference value must be set again Follow the next steps as instructed through the LCD window After the shading value has just been set the shading value pattern is automatically printed The shading value pattern shows the value of the white refer ence level of the Contact Image Sensor Check for the waveform in the pattern For best results the waveform should be level If there are many points sharply broken perform the adjust shading procedure several times until the waveform is level 7 6 August 2001 WorkCentre Pro 412 Launch Issue Maintenance amp Troubleshooting 7 2 3 Maintenance List A number of reports can be printed from the FAX machine within the test mode The protocol list and memory dump list all contain detailed information which may be required when contacting technical support To printout the
145. move the two screws and take out the pick up assembly as shown below 1 Unplug the three connectors 6 16 August 2001 WorkCentre Pro 412 Launch Issue Disassembly and Reassembly 6 18 Main PBA 2 Remove the two screws and take out the main from the shield main lower 1 Remove the two screws and take out the shield main lower MU Main PBA 3 Unlatch the LIU PBA securing the main PBA and remove it _ Main WorkCentre Pro 412 August 2001 6 17 Launch Issue Disassembly and Reassembly This page intentionally blank 6 18 August 2001 WorkCentre Pro 412 Launch Issue Maintenance amp Troubleshooting 7 Maintenance amp Troubleshooting 7 1 Preventative Maintenance The cycle period outlined below is a general guideline for maintenance The example list is for an average usage of 50 transmitted and received documents per day Environmental conditions and actual use will vary these factors The cycle period given below is for reference only COMPONENT REPLACEMENT CYCLE ADF roller 20 00 pages Feed roller 50 000 pages Transfer 50 000 pages Fuser 50 000 pages Toner CRU 6 000 pages Drum DRU 15 000 pages 7 2 Diagnostics This section describes methods and procedures to isolate the cause of a malfunction in the machine This machine displays diagnostic information on the LCD In addition it can perform a serie
146. mponentes y la tarjeta de circuito impreso 6 Aviso de seguridad del producto Algunas piezas el ctricas y mec nicas tienen caracter sticas especiales relacionadas con la seguridad que pueden pasar desapercibidas a una inspecci n visual Estas funciones de seguridad y la protecci n que proporcionan podr a perderse si un componente de repuesto difiere del original Esto es verdadero aunque la pieza de repuesto admita un voltaje o vatios m s altos etc 7 Los componentes cr ticos para la seguridad se indican en la lista de piezas con s mbolos mostrados debajo Use s lo componentes de repuesto que tengan los mismos valores sobre todo en cuanto a resist encia al fuego y especificaciones diel ctricas Una pieza de recambio que no tenga las mismas caracter s ticas de seguridad que la original puede producir una descarga fuego u otros riesgos de seguridad Precauciones con la bater a de litio EI PWBA principal tiene una bater a de litio denominada BAT1 Observe las precauciones siguientes Podr a producirse peligro de explosi n si la bater a se ve sometida a descarga forzada o tensi n inversa La bater a solamente debe cambiarse por otra del mismo tipo La bater a debe cambiarse solamente en un centro de servicio y no donde el cliente Las bater as de litio contienen substancias sujetas a control y no deben abrirse aplastarse ni quemarse para deshacerse de ellas WorkCentre Pro 412 August 2001 1 13 Launch Issue Introduction
147. must be avoided during service or maintenance operations AVERTISSEMENT Pr vient des risques encourus lors d une intervention dans des zones chaudes qui peuvent provoquer des blessures AVVERTENZA Evitare le superfici calde del prodotto indicate da etichette di avvertenza durante le operazioni di manutenzione o di assistenza VORSICHT Weist auf heiBe Ger tebereiche hin die bei der Wartung und Pflege nicht angefasst werden d rfen AVISO Llama la atenci n sobre reas del producto donde hay superficies calientes que deben evitarse durante las tareas de servicio o mantenimiento WARNING The following are general warning statements which apply in various service or maintenance situa tions General safety warning Switch off the power to the machine and disconnect the power cord from the outlet while performing tasks that do not need the electricity on Contact with electricity can cause death or injury Power Supply This product must be operated from the type of power supply indicated on the product s data plate label This product must be connected to a protective earth circuit Safe Working Throughout this procedure prior to working on any electrical circuit or any mechanical drive component discon nect all electrical power to the product The disconnect device is the power cord Remove the plug from the power outlet Ventilation This product should not be placed in a built in installation unless proper ventilation is provid
148. ntre Pro 412 August 2001 8 31 Launch Issue Exploded View amp Parts List This page intentionally blank 8 32 August 2001 WorkCentre Pro 412 Launch Issue 9 Electrical Parts Lists Electrical Parts List 9 1 Main PBA SEC CODE NO Q ty DESCRIPTION JC92 01354A 0105 001032 0401 000116 0401 000116 0401 000116 0401 000116 0401 000116 0401 000116 0401 000116 0401 000116 0402 000129 0402 000129 0402 000129 0402 000129 0403 000139 0404 000112 0404 000112 0407 000101 0407 000101 0407 000101 0407 000101 0407 000101 0407 000101 0407 000101 0407 000101 0407 000101 0407 000101 0407 000101 0407 000101 0407 000101 0501 000010 0501 000010 0501 000279 0501 000294 0501 000338 0501 000338 0501 000338 0501 000338 0501 000338 0501 000338 0501 000338 0501 000338 0501 000338 0501 000338 0501 000338 0501 000338 0501 000338 0501 000338 0501 000338 0501 000338 0502 000245 0502 001048 0801 000379 0801 000454 0801 000477 0801 000477 0801 001055 D13 D17 D18 D21 D34 D48 D6 D8 D19 D29 D5 D9 ZD1 D2 D28 D35 D36 D37 D38 D39 D40 D41 D43 D44 D45 D46 D47 D49 Q19 Q22 921 Q4 Q1 Q10 Q11 nd S ke ee E E mmm mm it ee E T E A am n ER E ek EE nm PBA MAIN MAIN SCX 5100 XEROX USA 12PPM COPIER PAPER ART 75g W210 WHITE HANSOI L297 DIODE SWITCHING MMSD914T1 100V 200mA SOD 123 TP DIODE SWITCHING MMSD914T1 10
149. oltage surge the discharge resistor R508 the AC impulse noise filtering circuit C501 LF501 C503 the common mode grounding circuit C504 C505 the second noise filter LF502 and the thermistor TH501 When power is turned on TH 501 limits inrush current by it s high resistance and when it s temperature rises it s resistance reduces to approximately zero ohms 5 8 3 SMC Switched Mode Control The AC input voltage is rectified and filtered by BD552 and C507 to create the DC high voltage applied to the primary winding of 1501 TRO1 pin 1 is driven by the SMPS device 0502 0502 auto starts and chops the DC voltage The U502 is PWM SMPS IC and has internally a SMC switched mode control IC and a MOS FET output stage The SMC IC has a Auto restart without a Power Supply for the IC and a Thermal Shutdown function and so on C509 R512 C510 D505 clamp leading edge voltage spikes caused by transformer leak age inductance The power secondary winding pin 11 12 is rectified and filtered by D507 C552 L551 and C554 to create the 5V output voltage The bias winding pin 4 5 is rectified and filtered by 0506 and C511 to create U502 bias voltage The secondary output 5V is regulated through the path of the voltage divide by R553 R556 U503 switching PC252 the bias voltage of U502 U503 PWM duty cycle T501 secondary voltage C508 filters internal pin determines the auto restart frequency and together with R506 compensates the control l
150. onfirm Input Machine will start dialing and send its own image codes to remote fax machine s It will take 10 to 15 minutes to send the image to each remote FAX machine The Remote Fax machine will automatically program the received image on its flash memory If ECM mode is off or Received Memory is not empty or machine is being used the remote upgrade will not be performed 7 8 August 2001 WorkCentre Pro 412 Launch Issue Maintenance amp Troubleshooting 7 3 Scanner 7 8 1 Copy PROBLEM ITEMS TO BE CHECKED HOW TO SOLVE White copy Check the scan cover is not Ambient light can cause image open problems Check shading profile Remake shading profile in the Tech mode Check white black reference Replace Main PBA if it is defec voltage in Main PBA tive U16 97 3 3V 016 98 39V 016 99 1 5V Check the CCD lamp is on If the CCD is defective replace when scanning it CN3 19 is 5 8V when white original copying for R B and 3 5V for G Black copy Check for CCD problem in Main Check the CCD harness con PBA tacts Check shading profile Remake shading profile in the Tech mode Check the CCD problem in Main PBA f the CCD is defective install a new ELEC MECH SCANNER MODULE PL 2 2 21 Cn3 19 is 7 3V when idle for R B and 5V for G Defective image quality Check shading profile Remake shading profile in the Tech mode
151. oop 0552 of the secondary stage 12V is the Low Power loss Regulator with built in over current protection func tion 5 8 4 Fixed Temperature Control 5 8 4 1 Fixed Lamp Control Circuit AC Power Live AC Neutral R503 Logic Unit Fuser On THY501 SMPS Unit R502 CON502 0501 DC Power V Fixed Lamp Control Circuit WorkCentre Pro 412 August 2001 5 37 Launch Issue Circuit Description 5 8 4 2 The Concept of Fixed Lamp Control For fixed lamp control the logic unit fuser on control signal and SMPS unit DC power must be supplied This circuit turns on only when fuser on sends the signal and the DC power is supplied The following explains how the fixed lamp control circuit works Logic unit on sends trigger current to triac driver U501 LED then the infrared ray is detected by 0501 photo detector Next U501 triac is conducted The conducted current sends trigger input to triac THY501 gate At this point THY501 is conducted and AC power is supplied to fixed lamp Lamp is turned on and temperature rises As this fixed lamp control circuit uses the AC voltage and are repeated as the power supply it used two way triac THY501 which has advantage over one way SCR considering the price size and reliability Triac s gate can be triggered by either forward or reverse signal Once triac is turned on it will not be con trolled by gate signal but
152. or a reas de peligro se limita mediante cubiertas y protectores que para quitarlos es necesario utilizar alguna herramienta Aseg rese de volver a colocar las cubiertas y los protectores correctamente despu s de cada tarea de servicio o mantenimiento Mantenimiento Servicio No realice ninguna operaci n de mantenimiento o servicio en este producto si no est descrita en esta docu mentaci n de servicio Limpieza Antes de limpiar este producto desench felo de la toma de corriente Utilice siempre materiales designados espec ficamente para este producto el uso de otros materiales puede producir un funcionamiento defectuoso crear situaciones de peligro No utilice limpiadores de aerosol en ciertas circunstancias pueden llegar a ser inflamables WorkCentre Pro 412 August 2001 1 10 Launch Issue Introduction Precautions 1 2 3 Be sure that all built in protective devices are in place Restore any missing protective covers When re installing chassis and assemblies be sure to restore all protective devices including control knobs and compartment covers Design Alteration Warning Never alter or add to the mechanical or electrical design of this equipment such as auxiliary connectors etc Such alterations and modifications will void the manufacturer s warranty Components parts and wiring that appear to have overheated or are otherwise damaged should be replaced with Xerox spare parts Always determine the cause of dama
153. over and lever 3 CPU and related circuit assembly If not there is an electrical problem Jam 0 Check where Jam 0 happens 1 Check whether solenoid is working or not by 1 Paper is not picked up using Engine Test Mode 2 Paper is located in feed sensor 2 Check the operation of the feed sensor 3 Jams when inserting specific papers Check if it is misplaced with paper width sen such as envelope into the MPF sor 4 Jams when inserting specific papers 3 Re try using fewer sheets of paper such as envelope into the Manual Fan the paper and align Feeder Turn the paper stack 5 The stacker extender is unfolded 4 Turn the paper stack 6 The adjustable guide can grip the Use paper as recommended for manual feed paper ing When loading ensure the paper detect sen Sor senses loading 5 When using long paper use the stacker extender 6 Adjust guide to fit the paper width Jam 1 Paper is jammed just after fuser unit 1 This is mainly caused by double feeding Check paper is well stacked in feeder 2 Check the mechanical actuation of the feed sensor Check the electrical operation of feed sensor using the Engine Test Mode 3 Check exit operation Remove jam and check actuator moves freely by hand If actua tor is too stiff paper can wrap around the heat roller Install new parts if necessary Jam 2 Check where Jam 2 happens 1 Remove the paper jam and check for paper 1 Paper is curled and cannot exit path obstructions 2 Paper is
154. pF 2x1 25x1mm TP FILTER EMISMD 25V 2A 100000pF 2x1 25x1mm TP FILTER EMISMD 25V 2A 100000pF 2x1 25x1mm TP CORE FERRITE BEAD AB 2x1 25x0 9mm CORE FERRITE BEAD AB 2x1 25x0 9mm CORE FERRITE BEAD AB 3 2x2 5x1 3mm CORE FERRITE BEAD AB 3 2x2 5x1 3mm CORE FERRITE BEAD AB 3 2x2 5x1 3mm CORE FERRITE BEAD AB 3 2x2 5x1 3mm CORE FERRITE BEAD AB 3 2x2 5x1 3mm CORE FERRITE BEAD AB 3 2x2 5x1 3mm CORE FERRITE BEAD AB 3 2x2 5x1 3mm CORE FERRITE BEAD AB 3 2x2 5x1 3mm CORE FERRITE BEAD AB 3 2x2 5x1 3mm CORE FERRITE BEAD AB 3 2x2 5x1 3mm CORE FERRITE BEAD AA 3 5x0 6x6 5mm Mn Zn CORE FERRITE BEAD AA 3 5x0 6x6 5mm Mn Zn CORE FERRITE BEAD AA 3 5x0 6x6 5mm Mn Zn CORE FERRITEBEAD AB 1200hm 3 2x1 6x1 1mm 900mA TP 0 150hm CORE FERRITEBEAD AB 1200hm 3 2x1 6x1 1mm 900mA TP 0 150hm CORE FERRITEBEAD AB 1200hm 3 2x1 6x1 1mm 900mA TP 0 150hm CORE FERRITEBEAD AB 1200hm 3 2x1 6x1 1mm 900mA TP 0 150hm CORE FERRITEBEAD AB 1200hm 3 2x1 6x1 1mm 900mA TP 0 150hm CORE FERRITEBEAD AB 1200hm 3 2x1 6x1 1mm 900mA TP 0 150hm CORE FERRITEBEAD AB 1200hm 3 2x1 6x1 1mm 900mA TP 0 150hm CONNECTOR RIBBON 36P FEMALE ANGLE AU CONNECTOR FPC FC PIC 22P 1mm STRAIGHT SN CONNECTOR HEADER 1WALL 2P 1R 2 5mm STRAIGHT SN CONNECTOR HEADER 1WALL 3P 1R 2 5mm ST
155. purposes while the printer image is being processed This system uses RLE for high speed data trans mission PC control signals and data send receive tasks such as PC data printing high speed uploading of scanned data to PC upload download of the fax data to send or receive and monitoring the system control signal and overall system from PC are all processed through this part PPD 7 0 uy Hc DATA BUSY nSTROBE nACK Compatibility Hardware Handshaking Timing 5 22 August 2001 WorkCentre Pro 412 Launch Issue Circuit Description 1 2 34 5 6 nSTROBE ED i 1 l BUSY ai PPDX 7 0 KBYTES nAUTOFD PX gt COMMAND BYTE gt ECP Hardware Handshaking Timing forward The host places data on the data lines and indicates a data cycle by setting nAUTOFD Host asserts nSTROBE low to indicate valid data Peripheral acknowledges host by setting BUSY high Host sets nSTROBE high This is the edge that should be used to clock the data into the Peripheral Peripheral sets BUSY low to indicate that it is ready for the next byte The cycle repeats but this time it is a command cycle because is low O1 N 123 4 5 6 7 8 nACK PPD 7 0 5 DE BYTE1 X BUSY IDATAIBYTE COMVAND N nINIT NI PE ECP Hardware Handshaking Timing forward
156. r Supply 5 5 7 1 Summary It is the high voltage power supply that has DC 24V DC 5V used for the image forming device in OA digital picture developing method as the rated inputs It supplies electrifying voltage MHV supply voltage SUP PLY developing voltage DEV blade voltage BLADE and transferring voltage THV Each high voltage supply shows the voltage required in each digital picture process 5 5 7 2 Digital Picture Process Digital picture developing method is widely used by copy machine laser beam printer and fax paper The process is comprised of electrification exposure develop transfer and fixing BLADE SUPPLY LSU SUPPLY ROLLER DEVELOPER ROLLER DIRECTION OF lt THV HEAT ROLLER ELECTRIFICATION ROLLER PRESSURE ROLLER TRANSFER ROLLER First in the electrification process retain constant charge at approx 900V for the electric potential on the OPC surface by electrifying OPC drum at approx 1 4KV through the electrification roller The electrified surface of OPC is exposed responding to the video data by the LSU that received print com mand due to rotation The unexposed non video section will retain the original electric potential of 900V but the electric potential of the image area exposed by LSU will be approx 180V that it will form the electrostatic latent image The surface of the photo conductive drum where the electrostatic latent image is formed reaches the developer
157. rameri e he E vee dime rz zo i EH 20015 N 4 A 20 di o goose 5 DH 4 AN 4 gt E FOLAOGAIN D e CLSAAS L noz La poema 22 De es E e ee 9 HEEEAOES FOOLAE I L Sen u A lt MI E TEXTUI IRE Sco anoovAse Sora veo ARP T CAAA 4 PHOSZAAL 5 E OLAOCONAVI Z lt e ZEZAD D 2 CHE LAAL Jno00 LASE esta er A 323 EVE oro LAAL pus 2 49509 NI t 4 1 Q 2 NZ E p ZU AO wo A eos Ave 816 Vv m Si la Y ASS G TS 1 A Arar 5 NA on O n VETVOLXO O Laa 29 23 EDIT 1 x Launch Issue Schematic Diagrams it Diagram IFCUI 12 21 ADF C 8 Aq pa ueyo PERES TAE SOINQE12313 NN aro s 30SN3S NOI1lSOd BES amp EOCSE NOIIISOd 094357193120 0320 20556 jl 90 LON 20 BSb E EDESE 030134 N01S1A38 9409 AYALSNI 57 306 403 1 31 2225 AE 5 det 1 au _
158. rodotti diversi da quelli consigliati pu comportare un deterioramento delle prestazioni e causare situazioni di pericolo Non utilizzare detergenti aerosol che in alcune circostanze possono risultare infiammabili VORSICHT Die folgenden Warnhinweise gelten f r diverse Wartungs und Pflegearbeiten Allgemeine Sicherheitshinweise Bei Arbeiten bei denen kein Strom erforderlich ist das Ger t ausschalten und den Netzstecker abziehen Netzanschluss Das Ger t muss an eine einwandfrei funktionierende Steckdose angeschlossen sein Das Ger t muss geerdet Sein Arbeitssicherheit Vor jeglichen Arbeiten an einem Stromkreis oder einem mechanischen Antrieb ist immer der Netzanschluss zu trennen Das Ger t wird durch Abziehen des Netzsteckers abgeschaltet Bel ftung Das Ger t darf nur dann in einer Einbauposition installiert werden wenn f r ausreichende L ftung gesorgt ist WorkCentre Pro 412 August 2001 1 9 Launch Issue Introduction Gefahrenbereiche im Ger t Der Zugang zum Ger t ist durch Abdeckungen und mechanische Verriegelungen auf sichere Bereiche eingegrenzt Gefahrenbereiche sind mit Abdeckungen versehen die nur mit Werkzeug entfernt werden k n nen Diese Abdeckungen m ssen nach Reparaturarbeiten durch den Kundendienst wieder ordnungsgemaB eingebaut werden Wartung Kundendienst Keine Wartungsarbeiten die nicht in der Dokumentation beschrieben sind ausf hren Reinigung Vor der Reinigung des Ger ts den Netzsteck
159. roduction Laser Safety DANGER AVOID DIRECT EXPOSURE TO BEAM Invisible laser radiation WARNING Invisible laser radiation avoid exposure to beam Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure This product contains laser warning labels These labels are intended for use by Service and Mainte nance Representatives and are placed on the top surface of the Laser Unit Do not attempt to open the laser unit There are no serviceable components or areas inside the unit Operation of the laser unit with machine or laser covers removed could cause eye damage if the laser beam is viewed directly Electrostatic Damage Caution The following is an example of the terminology and symbols used in this manual for an electrostatic damage caution Caution Certain components in this product are susceptible to damage from electrostatic discharge Observe all ESD procedures to avoid component damage 1 4 Heath and Safety Incident Reporting I Summary This standard defines requirements for notification of health and safety incidents involving Xerox products equipment and materials at customer locations Il Scope Xerox Corporation and subsidiaries worldwide WorkCentre Pro 412 August 2001 1 4 Launch Issue Introduction Ill Objective To enable prompt resolution of health and safety incidents involving Xerox products and to ensure Xerox regu
160. ry scanner printer motor driver PC I F and FAX transceiver controls the whole system The entire structure of the main circuit is as follows PROGRAM DATA RAM OSC SRAM 20 MHz ARM7TOMI ROM 256K DRAM Cache 8KB 1MB x 4EA 8MB x 2EA sna ea sna sa Y lt g c o Sna TUS 575 POWER Reset amp WDT ON RESET sown A o eei ROM SRAM FLASH ROM MS EEE 10 EDOFPM Contro CPU BUS DRAM 1005 5 Bank Interface Block Control 4 Bank GPIO RST_OUT RTC IRST_OUT Interrupt etna SYSTEM BUS 1 PARALLEL INTERFACE Interface Block Timer Arbiter a YA CIP3 809 Generator OSC Video 45 3928 MHz VIS OPE PANEL INTERFACE Engine Comm VF USB i INTERFACE IC m LRAM 12068 UNICON CXRAM 256B HPVC LIU RAM 512B RAM 512845128 Block Diagram WorkCentre Pro 412 August 2001 5 1 Launch Issue Circuit Description 5 2 Circuit Operation 5 2 1 Clock 1 System Clock Device Oscillator Frequency 20MHz KS32C61200 RISC PROCESSOR drives PLL internally and uses 60MHz 2 Video Clock Device Oscillator Frequency 45 3928 MHz PAPER 1SCAN LINE sending time SCAN effective late 1 SCAN LINE DOT 4 600dpi 600dpi 58 208mm s 216mm 4 25 4mm 25 4mm 76
161. s of tests that allow the machine to observe individual machine functions 7 2 1 Error Messages Error Message Description Solution RETRY REDIAL The machine is waiting for the programmed interval to automat ically re dial You can press START to imme diately re dial or STOP to can cel the re dial operation COMM ERROR A problem with the FAX commu Try again nications has occurred DOCUMENT JAM Loaded document has jammed Clear the document Jam in the feeder when document jam occurred at ADF module DOOR OPEN The side cover is not securely Close the cover until it clicks in latched place WorkCentre Pro 412 Launch Issue August 2001 7 1 Maintenance amp Troubleshooting Error Message Description Solution GROUP NOT AVAILABLE You have tried to select a group location where only a single location number can be used such as when adding locations for a multi dial operation Try again check location for group Error Message Description Solution LINE ERROR Your unit cannot connect with the remote machine or has lost con tact because of a problem on the phone line Try again If failure persists wait an hour or so for the line to clear then try again LOAD DOCUMENT You have attempted to send a FAX document with no document loaded Load a document and try again MEMORY FULL The memory has become fu
162. s the Select key to initiate the tech mode 6 Perform step 1 to return to user mode BLOD Cleaning DRUM This procedure removes excess toner on the OPC drum 1 Make sure that paper is loaded in the automatic feeder or document glass platen 2 Press Menu gt Up or Down key gt Maintenance gt Select gt Up or Down key gt Clean Drum 3 Press Select The machine automatically feeds a sheet of paper and prints out The excess toner on the OPC drum surface is fused to the paper Notify Toner Low With this feature enabled when the toner becomes low the toner low information will be sent to the specified contact point for example the service company After you access this menu select on and when the LCD prompts enter the name and the number of the contact point the customer s FAX number the model name and the serial number Switch Test This test checks the operation of the LCD display and the LED indicators that interface the switches on the operation panel Modem Test This test causes the machine to generate a particular frequency to verify the operation of the modem and it s control circuits WorkCentre Pro 412 August 2001 7 5 Launch Issue Maintenance amp Troubleshooting SRAM Test This test is used for checking the Random Access Memory RAM on the main PBA If all memory is working normally the LCD shows TESTING When this testing is carried out any picture data stored in
163. sembly you should Side cover assembly see page6 9 2 Remove three screws and unlatch the exit assembly as shown below August 2001 3 Pull the exit assembly and remove it WorkCentre Pro 412 Launch Issue Disassembly and Reassembly 6 9 Cover Paper Exit Assembly 3 Remove two screws and cover paper exit assembly as shown below Before you remove the cover paper exit assem bly you should remove Rear cover see page 6 3 Scanner assembly see page 6 4 Side cover assembly see page 6 9 Exit assembly see page 6 12 Cover Paper Exit Ass y 2 Remove four screws and take out the dummy base frame WorkCentre Pro 412 August 2001 Launch Issue 6 11 6 12 Disassembly and Reassembly 6 10 Drive Assembly Before you remove the drive assembly you should remove Rear cover see page 6 3 Scanner assembly see page 6 4 Side cover assembly see page 69 Exit assembly see page 6 12 2 Unplug the all connectors August 2001 3 Remove the five screws and take out the drive assembly 4 Remove the one screw and take out the fan and dust fan WorkCentre Pro 412 Launch Issue Disassembly and Reassembly 6 11 SMPS 3 Remove the SMPS as shown below 1 BeforeyouremovetheL SU you should remove Rear cover see page 6 3 Scanner assembly see page 6 4 Side cover assembly
164. ssembly 9 Unlatch the scan upper assembly securing the glass and remove it WorkCentre Pro 412 August 2001 6 3 Launch Issue Disassembly and Reassembly 11 Remove the three screws and take out the 14 Pull up the shaft CCD and take out the scanner glass from the cover scan upper assembly module Shaft CCD 12 Remove the five screws and dummy scanner lower A 15 Remove three screws and take out the motor bracket y W 16 Remove two screws and take out the platen PBA 6 4 August 2001 WorkCentre Pro 412 Launch Issue 6 4 ADF Assembly 1 Before you remove the ADF assembly you should remove Rear cover see page 6 3 Scanner assembly see page 6 4 2 Remove the five screws securing the platen cover and unlatch the ADF assembly by pushing the part hooked the platen cover using a sharp tool WorkCentre Pro 412 August 2001 Launch Issue 4 Disassembly and Reassembly 3 Pull the ADF assembly upward and remove it Platen Cover Ass y Remove two screws and take out the ADF motor assembly Cover Side L s 6 5 Disassembly and Reassembly 6 5 OPE Assembly 1 Before you remove the OPE assembly you should remove Rear cover see page 6 3 Scanner assembly see page 6 4 2 Pull the overlay upward and remove it Overlay 3 Remove nine screws securing the OPE to the OPE cover
165. ssue Exploded View amp Parts List 8 4 1 Side Cover Ass y Parts List No DESCRIPTION SEC CODE Q 0 ELA HOU SIDE COVER ASS Y 002N02016 1 MEA RACK DUPLEX ASS Y PMO GUIDE DP SIDE RING CS SPRING FUSER EXIT GEAR DUP IDLER 17 GEAR MP DUP DRV IPR BRKT PMO GP LOWER DP PMO SHAFT DUP DRIVER PMO ROLLER EXIT RPR RUBBER EXIT PMO BUSHING TX B4 PMO GUIDE DP SIDE 2 MEC ROLLER TRANSFER 022N01475 3 MEA UNIT HOLDER TR R 3 1 SPRING PLATE TR 3 2 SPRING TR_R 3 3 PMO BUSH 3 4 PMO HOLDER TR R 4 MEA UNIT HOLDER TR L 4 1 SPRING TR_L 4 2 PMO BUSH 4 3 PMO HOLDER TR L GEAR FRANSFER 007N01114 PMO LOCKER SIDE R 019N00619 PMO LOCKER OPEN 019N00620 SPRING LOCKER TORSION 009N01366 SPRING FEED 022N01476 0 MEC RACK TRAY ASS Y 002N02011 10 1 PMO TRAY CASE MP 10 2 PMO SIDE EXIT MP 10 3 PMO SIDE GUIDE MP 10 4 PMO TRAY COVER MP 10 5 IPR GUIDE LATCH MP 10 6 PMO TRAY LINK MP lt REMARK dl a a ar a al 4 N AY po O n ESAS D j WorkCentre Pro 412 August 2001 8 11 Launch Issue Exploded View amp Parts List Side Cover Ass y Parts List Cont No DESCRIPTION SEC CODE Q TY REMARK 11 CBF HARNESS
166. st Main PBA SEC CODE NO DESCRIPTION 2801 004079 2804 001163 2804 001473 2901 001178 2901 001178 2901 001178 2901 001178 2901 001178 2901 001178 3301 000317 3301 000317 3301 000325 3301 000325 3301 000325 3301 000325 3301 000325 3301 000325 3301 000325 3301 000325 3301 000325 3301 000325 3301 000344 3301 000344 3301 000344 3301 001425 3301 001425 3301 001425 3301 001425 3301 001425 3301 001425 3301 001425 3702 000118 3708 001531 3711 000164 3711 000198 3711 000225 3711 002807 3711 002809 3711 002812 3711 003204 3711 003204 3711 003408 3711 003408 3711 003408 3711 003408 3711 003409 3711 003409 3711 003409 3711 003410 3711 003410 3722 001101 4301 000108 4302 001116 JB13 00002A JC11 10507A JC11 10510A JC13 00006A JC13 00013A JC41 00125A JF68 30527N OSC1 OSC5 OSC7 F1 F2 F3 F4 F5 F6 L10 L9 L1 111 112 113 114 115 14 L5 L6 L7 BD1 BD2 BD3 L16 L17 L18 L19 L20 121 122 CN14 CN3 CN23 CN16 CN26 CN19 CN28 CN7 CN2 CN8 CN15 CN21 CN27 CN4 CN18 CN25 CN5 CN17 CN22 CN11 BAT2 U12 U29 U28 U36 U16 PCB CRYSTAL UNIT 6 9083MHZ 50PPM 28 AAM 1 6PF 500HM BK OSCILLATOR CLOCK 20MHz 50ppm 1 OTTL 8 CMOS ST 5V OSCILLATOR CLOCK 45 3928MHZ 100PPM 10 TTL ST 5V 40MA FILTER EMISMD 25V 2A 100000pF 2x1 25x1mm TP FILTER EMISMD 25V 2A 100000pF 2x1 25x1mm TP FILTER EMISMD 25V 2A 100000pF 2x1 25x1mm TP FILTER EMISMD 25V 2A 100000
167. standard value with CPU makes sure that the current feedback is when output voltage is 800V and load is 200M If the load shows different resistance value when 800V is output the current feedback will also be dif ferent and thus the index value will also be different according to the index value read by CPU the transfer voltage output will differ according to the preset transfer table The changes in transfer output required by each load is controlled by PWM DUTY WorkCentre Pro 412 August 2001 5 33 Launch Issue Circuit Description 5 6 OPE PBA 5 6 1 SUMMARY OPE Board is separated functionally from the main board and operated by the micom Z8601 in the board OPE and the main use UART universal asynchronous receiver transmitter channel to exchange information OPE reset can be controlled by the main OPE micom controls key scanning and LCD and LED display If there occurs an event in OPE such as key touch it sends specific codes to the main to respond to the situation and the main analyzes these codes and operates the system For example it the main is to display messages in OPE the main transmits data through UART line to OPE according to the designated format and OPE displays this on LCD LED OPE s sensing is also transmitted to the main through UART line and then the main drives necessary operation OPE consists of U1 MICOM Z8601 LCD key matrix LED indicators Refer to OPE Schematic Diagram and Wiring Diagram s
168. teries contain substances which are subject to control and should not be opened crushed or burned during disposal Pr cautions 1 2 V rifier que tous les dispositifs de protection int gr s sont en place Replacer les panneaux de protection manquants Lors de la r installation du ch ssis et des diff rentes pi ces veiller bien replacer tous les dispositifs de protection y compris les boutons de contr le et les couvercles de compartiment Avertissement relatif aux modifications de conception Ne jamais modifier la structure m canique ou lec trique de cet quipement en ajoutant par exemple des connecteurs auxiliaires etc De telles transfor mations et modifications annuleraient la garantie du constructeur Tout composant pi ce ou c blage ayant t expos une surchauffe ou endommag d une quelconque autre facon doit tre remplac par une pi ce Xerox Toujours d terminer la cause du dommage ou de la surchauffe et liminer les risque potentiels Examiner le c blage initial aux abords notamment des ar tes coupantes de l alimentation en courant alternatif et haute tension et toujours s assurer qu aucun fil n est coinc d plac ou endommag Ne pas modifier l espacement des composants et de la carte de circuit imprim S curit produit Certaines pi ces m caniques et lectriques pr sentent des caract ristiques de s curit particuli res qui peuvent ne pas tre videntes l oeil nu Ces c
169. test NO _ Self testing NO tt ints P i be pa ern prints Rm possible YES Check connection to computer or replace controller dee Aon next a Re test after replacing the connector or controller board YES Take out the cartridge and prepare the tester for electronic connection Is the OPC 2 of the machine NO ut well connected p Clean or install a new GND terminal hc Flame YES PME Does the Check the path between gt video data line to NO lt LSUtransitto High Low gt P x when printing yaen PANNE video controller engine board and HVPS Install new components or PBA as required YES The mirror in LSU might be misplaced so the light path to the OPC deviates gt Remove any contaminants the machine or install a new LSU WorkCentre Pro 412 Launch Issue August 2001 Maintenance amp Troubleshooting Transfer gt voltage OK on the transfer roller shaf YES 4 Cai Are the 0 connection terminal h NO E and connections correct Replace as required YES Install a new HVPS E eveloping 300V and supplyin 500V voltage are 02 YES P um Fr tape lt is removed from the cartridge ORE n d li Does
170. than the toner OPC drum and thus it moves to the surface of the paper passing through the transfer roller The toner transferred to the paper with weak electrostatic force is fixed to the paper by the pressure and heat of the fixer composed of pressure roller and heat roller The toner attached to the paper is melted by applying the heat approx 180 C from the heat roller and the pressure approx 4kg from the pressure roller After the fixing process the paper is sent out of the set to fin ish the printing process 5 28 August 2001 WorkCentre Pro 412 Launch Issue Circuit Description 5 5 7 3 Organization of the Device HVPS is comprised of electrification output unit bias output unit and transfer output unit 1 Input Unit 2 Electrification Output Enable Unit MHV Main High Voltage 3 Bias Output Enable Unit DEV Development Voltage Supply Supply Voltage BLADE Blade Volt age 4 Transfer Output Enable Unit THV Transfer High Voltage 5 Transfer Output Enable Unit Transfer High Voltage Switching Unit Feedback Unit Regulation Unit 6 7 8 9 Output Unit OUTPUT CIRCUIT REGULATION TRANS WITCHIN SNe CIRCUIT CONTROL UNIT Was MHV HV PWM Electrification Unit Block Diagram THVPWM PM SWITCHING REGULATION CONTROLUNIT CONTROL UNIT CIRCUIT m FEEDBACK SWITCHING REGULATION CONTROL UNIT CIRCUIT
171. the indicate over the toner s service life Pero YES Qoia Is the connection NO NO Pp uc Replace as required terminal OK Te Install a new HVPS NO gt Remove the tape Transfer roller might be out of its position Position the roller correctly Install a new toner cartridge This could occur when the power of LSU is low or the density is low due to the obstacles on the window gt Clean the window or install a new LSU August 2001 WorkCentre Pro 412 Launch Issue All Black Pod t lt Allblackin NO printing area Tu A YES Is transfer NO tee ideo data line to LSU NO controller engine board transit to High Low when P LSU for the shortage printing YES v Install a new LSU voltage supplied from HVPS ue YES i gt Install a new HVPS Hsync signal received in LSU _ loc si YES Transfer contact is bad gt Install a new toner cartridge WorkCentre Pro 412 Launch Issue gt Install a new LSU August 2001 Maintenance amp Troubleshooting Check the path among video or open gt Replace as required Maintenance amp Troubleshooting Vertical White Line Band ws 2 P a White lt is consistant ue YES Ta md YW
172. the corner of the polygon mirror it generates nHSYNC signal pulse and the CPU forms the left margin of the image using this signal horizontal synchronous signal There are no user serviceable parts inside the Laser unit 5 5 4 Fan Solenoid Actuation Circuit The fan actuation circuit gets its power using NPN TR When it receives FAN signal from the CPU The TR will turn on to make the voltage supplied to the fan to 24V in order to actuate the fan The solenoid is actuated in the same way When it receives control signal from the CPU the solenoid for paper feeding is actuated by switching circuit D29 1N4003 diode is applied to the both ends of the output terminal to protect Q22 KSC1008 Y from noise pulse induced while the solenoid is de energized 5 5 5 PTL Actuation Circuit PTL actuation circuit switches its power using NPN TR 5 5 6 Motor Actuation Circuit Motor actuation circuit is determined while selecting the initial driver IC provided by the vendor This system uses TEA3718 U57 U58 A2918 U59 s motor driver IC However the sensing resistance R273 R274 R292 R293 and reference resistance R284 R289 R294 R295 can vary depending on the motor actuation current value It receives motor enable signal 2 phase from CPU and generates bipolar pulse constant current and sends its output to stepping motor input WorkCentre Pro 412 August 2001 5 27 Launch Issue Circuit Description 5 5 7 High Voltage Powe
173. tive FAX transmission Check CN20 main PBA main LIU harness and CN1 LIU PBA s the external phone off the hook Check hook off Refer to TEL LINE CANNOT BE ENGAGED above Check the control signals of CN20 11 Check transmission path Check output of CN20 3 4 and T2 4 LIU PBA Check reception path Check output CN1 1 LIU PBA and input of CN20 1 main PBA Replace defective parts Replace LIU PBA if low Refer to TEL LINE CANNOT BE ENGAGED above Replace main PBA if the sig nals of CN8 11 MAIN PBA is low Replace main PBA if abnor mal Replace LIU PBA if CN1 1 LIU PBA is not confirmed Replace main PBA if CN20 1 MAIN is not confirmed Defective auto matic FAX recep tion 15 the ring checked Check ring pattern at CN1 9 LIU PBA Refer to Defective FAX Trans mission Replace LIU PBA if it cannot be checked Refer to Defective FAX Trans mission 7 12 August 2001 WorkCentre Pro 412 Launch Issue 7 5 Print Quality Maintenance amp Troubleshooting Error Status Check Solution Vertical blackline 1 Bad blade in toner cartridge 1 Install a new toner cartridge and band 2 LSU 2 Install a new LSU Vertical white 1 LSU window contamination 1 Clean LSU window line 2 Toner cartridge 2 If not LSU contamination install a new toner cartridge No image 1 Has th
174. uiring cleaning or replacement refer to 7 1 Preventative Maintenance 6 Goto SCP4 Fault Analysis SCP 4 Fault Analysis Fault Analysis is used to identify a fault Procedure Exercise the machine in all modes until the fault is determined Perform the following e Ifan error message is displayed to 7 2 Diagnostics f an image defect is evident go to 7 3 Scanner If there are problems in sending or receiving FAXs go to 7 4 FAX Ifa print defect is evident go to 7 5 Print Quality Ifthe machine is malfunctioning go to 7 6 Malfunction When the fault is corrected to SCP 5 Final Actions SCP 5 Final Actions Final Actions are used to evaluate the total operation of the system and to identify the actions required to complete the service call Procedure Complete the following Perform any remaining cleaning or replacement actions referred to in SCP 3 Exercise the machine in all modes making copies and or prints from all trays utilising the ADF and the document glass f necessary make a proof copy of a customer document Remove and destroy any copies of test patterns Provide customer training if required of the customers selections were changed return them to the customers preferred settings Complete all administrative tasks Ensure the machine and service area are clean before leaving the customer premises 2 2 August 2001 WorkCentre Pro 412 Launch Issue 3 Precaut
175. ular interval APS interval of 58mm as transfer of Smm emm 7 roller ER Nd YES YES um y quA IS Install a new NO Lei fan A specific part of the transfer PTL assembly works OK roller is damaged or its 1 bw resistance value is changed gt Install a new transfer roller YES Check for a mechanical drive fault to the transfer roller gt Install new parts if necessary Check HVPS contacts and ee Developing E NO HVPS s self NO 224 Transfer lt Isuppying voltage output lt lt voltage is setto normal 300V _ gt If failed standard 5 900v Install a new in YES HVPS YES Irregularity of NIP Install a new HVPS 25 il Check and install new p terminal contacts gt Install a new developer Ba Da 53 Bias Install a new lt 2001 _ DO PTS DR Pd YES 222 Operalingistorage NO There may be a problem in toner lt temperature is too low vo layer control in toner cartridge not recommended _ gt Install a new developer unit aper used SEM P Use the machine with recommended paper and correct operating storage condition WorkCentre Pro 412 August 2001 7 23 Launch Issue Maintenance amp Troubleshooting Black Dot E interval of 38mm _ a Is black dot YES 42 7 P taking toner leaks E p dd YES out the cartridge DAT PO PPM 7 Bad image can be removed by k YES NO
176. vertes cras es ou br l es Precauzioni 1 Accertari che non manchino dispositivi di protezione Rimettere in sede eventuali coperture di protezione mancanti 2 Durante l installazione di coperture e gruppi accertarsi che siano presenti tutti i dispositivi di protezione comprese manopole di controllo e coperture nelle diverse aree 3 Avvertenza non modificare la struttura meccanica o elettrica della macchina quali connettori ausiliari ecc Eventuali modifiche o alterazioni renderanno nullo il certificato di garanzia del produttore 4 Componenti parti e cablaggio che appaiono surriscaldati o danneggiati vanno sostituiti da parti di ricambio Xerox Stabilire la causa del problema e intervenire in modo adeguato per evitare che si ripresenti 5 Mantenere il percorso originale del cablaggio in particolare in prossimit di bordi per CA e alimentazione elettrica ad alta tensione Verificare che il cablaggio non sia strozzato fuori sede o consumato Non alterare lo spazio tra i componenti e la scheda del circuito stampato 6 Avviso sulla sicurezza del prodotto alcuni componenti elettrici e meccanici possiedono delle funzioni di sicurezza non sempre ovvie durante l ispezione visiva Queste funzioni possono non essere pi attive se un componente viene sostituito con uno diverso dall originale Questo vale anche se le parti di ricambio hanno specifiche pi elevate ad esempio di alta tensione potenza nominale ecc 7 componenti per l
177. w high by Q3 switching the S21ME4 inside SMPS PC3 turns on off and this eventually turns two way thyristor THY501 on off to allow shut AC voltage to the heat lamp LM393 is hardware designed to protect the system when the firmware that controls the heat lamp no longer functions correctly When the thermistor temperature goes beyond 210 degrees the level of pin 1 LM393 will turn low which turns the FUSERON signal to high The LM393 will force the heat lamp off by forcefully shutting off the power to Q3 5 5 2 Paper Sensing Circuit 1 Cover Open Sensing Cover open sensor is located on the right side of the printer In case the right cover is open it shuts 5V LSU laser unit and 24V main motor polygon motor of fixer LSU HVPS that are supplied to each unit lt detects the cover opening through CPU In this case the red LED of the OP panel LED will turn on 2 Paper Empty Sensing The paper empty sensor photo interruptor located inside bottom of the bin cassette detects paper with the actuator connected to it and informs the CPU of whether there is paper When there is no paper in the cassette the red LED of the OP panel LED will turn on to tell the user to fill the cassette with paper 3 Paper Feeding When the paper is fed into the set and passes through the actuator of the feed sensor unit transistor inside the photo interrupter will turn on nFEED signal will turn low and inform CPU that the paper is
178. witching Mode Power Supply Unit 5 8 1 SMPS Specifications There are no user serviceable parts inside the SMPS unit The SMPS Switching Mode Power Supply unit used here is a PWM Pulse Width Modulation type power supply unit that supplies DC 5V to controller and control panel and DC 5V DC 24V and DC 12V to the engine It also supplies AC power to fixer heat lamp No Output Channel Ch 1 Ch 2 Ch 3 1 Channel name 5 1V 24 0V 12 0V 2 Rated output voltage 5 1V 24 0V 12 0V 3 Rate output current 2A 2 5A 1 0A Maximum load current 3A continuous 3 5A continuous 1 0A continuous 4 and load pattern 5 Load change range 0 5 2 0A 0 3 2 5A 0 2 1 0A Rate output voltage 5 1V15 24 0V110 12V15 6 For rated I O 4 84 to 5 35V 21 60 to 11 40 to 26 40V 12 60V 1 Total output voltage Including all Including all Including all deviation 5 1 5 24 0 10 12 5 Input load temp 4 84 to 5 35V 21 60 to 11 40 to 7 aging including set error 26 40V 12 60V 2 Dynamic input including set including set change error error 3 Dynamic load change 8 Refer to ripple amp noise 150mVp p or less 500mVp p or 150mVp p or less 27 less 5 36 August 2001 WorkCentre Pro 412 Launch Issue Circuit Description 5 8 2 AC Input Stage AC input power path is consist of the fuse F501 for AC current limit the Varistor TNR501 for by passing high v
179. x number NOTE If sending a fax please also send the original via internal mail Responsibilities for resolution 1 Business Groups Product Design Teams responsible for the product involved in the incident shall a Manage field bulletins customer correspondence product recalls safety retrofits b Fund all field retrofits 2 Field Service Operations shall a Preserve the Xerox product involved and the scene of the incident inclusive of any associated equip ment located in the vicinity of the incident b Return any affected equipment part s to the location designated by EH amp S and or the Business Division c Implement all safety retrofits 3 EH amp S shall a Manage and report all incident investigation activities b Review and approve proposed product corrective actions and retrofits if necessary c Manage all communications and correspondence with government agencies d Define actions to correct confirmed incidents VI Appendices The Health and Safety Incident Report involving a Xerox Product Form 4 EH amp S 700 is available at the end of this Service Manual WorkCentre Pro 412 August 2001 1 5 Launch Issue Introduction 1 5 Translation of Warnings and Precautions WARNING A warning is used whenever an operating or maintenance procedure practice condition or statement if not strictly observed could result in personal injury AVERTISSEMENT Un avertissement est utilis chaque fois qu une proc dure d ut

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