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Oki 24DX Printer User Manual

Contents

1. acid 165 7 1 Interconnect Signal Diagram sse enne nennen 165 72 POB Layout iii wire ped cd e eaux en codd cci doc te eee 167 7 9 Resistance Glieck ertet radar 170 7 4 Program Font ROM Location oooccccnnccnnniciccnccnnononnncnnccnnnnnnn nano cn cn enne nennen nennen 172 B PARTS LIST em 174 9 9 27 Power Supply Unitat IE IR aoe ie envio 86 40930701TH DRAFT Vesion 4 APPENDIX A CENTRONICS PARALLEL INTERFACE 185 APPENDIX B RS 232C SERIAL INTERFACE 189 Appendix C SECOND THIRD PAPER FEEDER MAINTENANCE 191 1 OUTLINE CES 191 1 1 FUNCTIONS uu 191 1 2 Appearance and Parts Name sse nennen 191 2 Description of OperartlOri coe eese tees eset O e nn 192 2 1 Driving Mechanism sssssessseseeeenne nennen nnne nnne nnns 192 2 2 Hopper MeGHanlSft uuu uu ua da naneeentecaeds 194 3 PARTS REPLACEMENT u a uapa uta aee aaa ep ua Rue Len 195 3 1 Precautions Concerning Parts Replacement sss 195 3 2 Parts LAV OUE MT rio is 197 3 3 Parts Replacement Methods misssing 198 3 3 1 Roller assy hopping Roller assy feed 199 3 3 2 Qover front assy eccsszccuecectsiaceceessdoavscstenandeeceeecevecceatagescvesatenseacersdasens 200 33 9 Board BBB 5i te tere e
2. 9000000000099 219999999099999 1 1 DUP 12 ggg M E ee Eea e LM ipse IS H 1NOtid 3dO13AN3 HOLOW Nv4 419 HIO N3 MOT AVHIGNZ POWER CONNECTOR Main control board BOARD FFF Figure 6 1 Connector and Pin Location INLET Measurement by a Multimeter Figure 6 2 40930701TH DRAFT Vesion O TNSNS WRSNS SW1 O Figure 6 3 Connector and Pin Location 40930701TH DRAFT Vesion 137 JAM error 1 Paper input jam 1st tray Does a jam error occur when the power is turned on e Yes Is the paper at the inlet sensor lever Yes Remove the paper No Does the inlet sensor lever operate smoothly No Replace the inlet sensor lever Yes Clean the inlet sensor 1 on the Power Supply Unit High Voltage or replace the Power Supply Unit High Voltage See Figure 2 3 Sensor Layout Diagram Y No Does jam eror occur after paper feeding 1 Yes Is the paper fed on the inlet sensor lever Yes Does the inlet sensor lever operate smoothly No Replace the inlet sensor lever Yes Clean the inlet sensor 1 on the Power Supply Unit High Voltage or replace the Power Supply Unit High Voltage See Figure 2 3 Sensor Layout Diagram Y No Replace the hopping roller assembly or paper cassette assembly No Is the hopping roller rotating 1 Yes Setthe paper cassette properly Y No Isthe hopping motor r
3. oo lo o2 o8 o e 20 25 solos o 20 os ee se o 20 25 oo oo e2 se io e ee 2e Po oo o oo o o opos ls ss os os ss los os oo pss os copos os copos os oe oe e 20 25 s ss me es a ms callos ea HANISH HNIS ZWIS G feoocccccoll al ooo g lococccoll pjo o o off z o off z ooll eloco cles foo o ooo oo MELLE AR IS INOHS 3donmAN3 HOLOW Nv4 419 HIO N3 MOT AVHLGNZ e 3 ogooogooooooo POWER oobooobooooo al SIZE 40439501 40439601 40439701 40439801 TA1 3 pin OJe O 1 pin Note short plug TA1 setting setting 1pin 2pin 40930701TH DRAFT Vesion In case of MASK ROM 2 STKFULL USES 2 Note G6looooooooooooooos Lloooooooooooooooooesq t4 ooooooo 1N39 OV 9 o o o o o o o SZC jo000000000000El OZEZSH CKIKI KKKKCICICKCKCKCKCKCKCKCKCKCEIU ooo ooo ooo 0 0 0 0 990909999999 990 0990009999999 9999 9999 9 9999099999999 99 0000099999999 9999999 9 9900999999999 99 9900909999999999999 999 9999999999999 99 IV eo 999909099990 0000000000000 E SENE Ev 00
4. x S390 9 96vc 10 193810 x x Z66p erep uonoeJ102 GEER como x x y jep uoll991100 go a ICI ODO A oa t Pes OVNI SESS G DOO mO x ejep uoo94102 i L667 Eep u01091100 elep uoioe4102 po Qvo1 urnnrannnnnnnnnnnnnnnnnnnnnri UUUUU x0070 TETAS 41 40930701TH DRAFT Vesion From CPU STRB4 N STRB3 N STRB2 N STRB1 N i 2 One side wire bonding head Correction Control LSI EEPROM LED Array x LED LED LED LED LED LED LED LED Driver a LED Driver LED head is set to the correction control read mode and all correction data stored in EEPROM within the correction control LSI are read by CPU and stored temporarily in the memory ii Next LED head is settothe correction control direct mode and the correction data stored temporarily in the memory is transferred directly to the LED driver 40930701TH DRAFT Vesion 42 Read of correction data i Z UBIH pejqeue po N qu SM90 9 pZ80Z 8101 pea ejep uonoeJo2 SX90Jo 8 pea ejep pe H SX900Jo 8 SX90Jo 8 SX90Jo 8 Jes PON qd Y Buas apo 4 3 4 gt lt ajoAo qu ra ajoAo qu t 5 9 qH rs ajoAo A uuuinp g du gt N tgu1S 002g 1ep u0onoeJJ09 celep uoioeJ109
5. 5V Logic circuit supply voltage Motor and fan drive voltage and source voltage for high voltage supply Reset circuit RS232C Line voltage RS232C Line voltage LED HEAD supply voltage 2 High voltage power supply circuit This circuit generates the following voltages necessary for electro photographic processing from 30 V according to the control sequence from the control board When cover open state is detected 30 V supply is automatically interrupted to stop the supply of all the high voltage outputs Voltage Use Remarks 15 uA Voltage applied to Sub charging roller 1 30 KV Voltage applied to charging roller 220 V 300 V Voltage applied to developing roller 450 V Voltage applied to toner supply roller 4 KV 1 3 kV Voltage applied to transfer roller Variable Only 450 V 1350V Voltage applied to clearimng roller 3 Photosensor The photosensor mounted on this power supply unit supervises the paper running state during printing 40930701TH DRAFT Vesion 20 Figure 2 3 shows the sensor layout diagram Sensor Paper running direction 4 Roller exit Roller feeder c ac a Outlet sensor Roller Heat L Roller transfer Toner sensor Paper sensor Roller regist LET Inle
6. Informs that a jam occurs after ejecting a paper Open the cover and remove the paper inside Open the cover remove the paper then close the cover When the cover is closed recovery printing is performed and the error display is released If the error occurs frequently see chapter 6 5 2 ATTENTION O OKI HSP I F CARD RESETTING Informs that OKI HSP I F card is under reset It can be automatically restored by stopping the reset Warning ATTENTION ERROR HOST I F OKI HSP XX Informs that an error significant malfunction occurs The operation is continued by pressing Recover switch xx 10 I F timeout 20 Initial error occurs 10 seconds later since powering on 21 In the event that it takes 3 seconds or more for shifting to the operating mode or a command for operating mode is received during power on mode 22 Communication error between OKI HSP host Press REWCOVER key If the error occurs frequently check HSP card ATTENTION COVER OPEN Informs that the upper cover is open Close the cover to release toe error display If the display does not change after the comer is closed check for correct operation of cover open switch and lever Replace the Power Supply Unit High Voltage ATTENTION O EEPROM RESETTING Indicates that an error occurs from the results of checking ID No of EEPROM The operation is continued by
7. Yes Replace the Main board Are the following voltages applied to the corresponding pins of the POWER connector on the Main board For the measuring points see Figure 6 1 Pin 23 8V Pin 24 8V Pins 19 20 30V Pins 9 12 17 18 0V Pins 13 14 5V 4 No Remove the AC cable Set the POW switch to the ON position Measure the resistance between L and N pins of the AC inlet using a multimeter Is there continuity between L and N pins normal resis tance 554 kQ For measuring points see Figure 6 2 No Replace the fuse F2 or the Power Supply Unit AC120V or 230V Y ves Are POWER connector of the Main board and Connection cord Wire 26 pin connected properly Are connection cord wire and CN3 connector of the Power Supply Unit AC120V or 230V connected properly No Connect the connectors properly Y ves Arethe following voltages applied to CN3 connector of the Power Supply Unit AC120V or 230V For measuring points see Figure 6 3 Pins 19 20 30V Pins 9 12 17 18 OV Pin 23 8V Pins 13 14 5V Pin 24 8V No Replace the Power Supply Unit AC120V or 230V Y ves Replace the Connection cord wire 26 pin Y isthe printer recovered No Replace the Main board Y YES END 40930701TH DRAFT Vesion 134 From 1 2 on the preceding page CD Y Yes Is the operator panel connected to the Main board properly No Connect the operator panel properly 4 Yes Is the connecting cord defe
8. 40313201 ROLLER Ass Feed 40371901 SPRING Release E Gk dE GE 3k as 105A1051C2001 TR 23 11 14 R CORE 40298001 PLATE Base 40494601 Spacer Card KGPS 5RF 40298101 FILM Insulation 40159901 Power Supply Unit AC DC 120V ODA 120V 40160001 Power Supply Unit AC DC 230V ODA 230V OEL IINT 40160301 Power Supply Unit High Voltage 40307301 40912701 BRACKET AC STOPPER Lockout Dup w j a jajaj as ods ol lwol asl GO GO wo wo 40930701TH DRAFT Vesion 181 Figure 8 4 Duplex Unit 182 40930701TH DRAFT Vesion z e Parts No Table 8 4 Duplex Unit 1 2 Name Q ty U Reccomended Q ty 50 100 1000 Remarks 40658401 COVER Upper DUP Affix 3 6 40339401 ROLLER Pinch 18 36 40382201 SHAFT Pinch 12 24 40393201 SPRING Pinch U 12 24 40393202 SPRING Pinch U 12 24 40393301 SPRING Pinch R Oo 12 40457701 BRACKET Pinch R 12 40457801 SHAFT Pinch R 12 o 0o DOD O ow SN 40443801 LEVER Lock Ass N N IN JN O N N N N I o0 12 A o 40541501 SPRING Lock frame 6 k 40541502 SPRING Lock frame o A Dv 40338701 LEVER Senso
9. peJep N Cgu1s N zgtd1S N I8HIS pajas IEA 0 VLVA QDD AAA AKAN AA geep avon Leyep uonoeJ102 EE UUUUUUUUUUU gt it uw SU0SZ 190 D 43 40930701TH DRAFT Vesion ii Transfer of correction data to head driver correction data Mi uey aow hid net ein u N rgd1S N gHd1S N 2g41S N 1g41s srz lt di G V 1n0l rey q 497 Pt qr Bum s poW r gt gt iS390 9 DOGS 610 di 193410 g jo ued y hy Jo ued y JUUL o d vauis Yo o viva avo1 0070 LO6eerep uonoelJ02 LO9zerep uonoelJ02 Log peep uonoeli0 Zeep uonoeJ105 00zGe1ep uonoe107 006 e1ep U01991109 009Ze1ep uonoe10n 00 Fep uonoelio perep uonpeuo 44 40930701TH DRAFT Vesion The LED driver corrects the LED illumination by controlling the LED current The LED illumination can be set in 16 steps with 7 steps in the direction of illumination increase in relation to the standard value and 8 steps in the direction of decrease For this reason the LED correction
10. Applicable sizes Width 3 4 to 8 5 86 to 216 mm Length 5 5 to 14 140 to 355 6 mm Thickness Automatic feed 16 to 28 lbs 60 to 105 g m Manual feed Label OHP paper transparency Envelope 16 36 Ib First print 8 sec Continuous print 20 sheets min at duplex print 10 sheets min Warm up time 90 sec at room temperature 77 F 25 C and rated voltage 120 VAC Automatic feed or manual feed Face down face up 600 x 600 dots inch default 600 x 1200 dots inch 120 VAC 5 595 15 ODA 230 VAC 10 Peak Approx 820W Typical Operation Approx 350W Idle Approx 95W Power save mode Approx 25W 40930701TH DRAFT Vesion 11 12 Temperature and humidity In operation Power off mode During Storage Unit Temperature 50 90 32 110 14 110 F 10 32 0 43 710 43 C Humidity 20 80 10 90 10 90 9c RH Maximum wet 77 80 4 oF bulb temperature 25 26 8 C Minimum difference 35 6 35 6 oF of wet and dry a bulb temperatures 2 2 C Notes 1 Storage conditions specified above apply to printers in packed condition 2 Temperature and humidity must be in the range where no condensation occurs Temperature C 32 28 Operation range 20 80 Humidity 13 Noise 55 dBA or less 45 dBA or less 43 dBA or less During operation At standby Power save mode 14 Consumables Toner cartridge kit 6 000 pages 5
11. Inlet sensor2 DES Toner sensor Outlet sensor gt LSI Ly THERMISTOR oc o COVER OV OPEN Sub CH SUB CHARGE ROLLER SW LOW VOLTAGE H GENERATION DRIVER CH a CHARGE ROLLER CIRCUIT TR n Y HGH TRANFER ROLLER L gt DRIVER VOLTAGE DB FILTER CIRCUIT CIRCUIT 9 gt f DEVELOPPING ROLLER B POWER 38 TONER SUPPLY ROLLER SUPPLY UNIT CB r high voltage CLEANING ROLLER AC120V 230V FAN gt HEATOR Figure 2 1 OKIPAGE24DX OKIPAGE24dx block diagram 40930701TH DRAFT Vesion 157 21 Main Control Board BOARD FFF The control board consists of an one chip CPU a LSI program font ROM s DRAM s an EEPROM a host interface circuit and a mechanism driving circuit 1 One chip CPU The one chip CPU is a custom CPU 32 bit internal bus 32 bit external bus 120 MHz clock that incorporates an RISC CPU and its peripheral devices and has the following functions Built in device Function Chip select controller Bus controller DRAM controller Control of peripheral LSI ROM DRAM and I O device DMA controller Transfer of data from Host I F to RAM Serial interface controller Control of RS232C serial interface Parallel interface controller Control of Centronics parallel interface Timer Generation of various control timing Monitoring of paper running and paper size Serial I O port Control of serial interface between co
12. Monitor error argument error Optional timeout error Optional status error BG program error System timer program error IPT2 program error IPT1 program error Turn the power off then on Replace the Main board BOARD FFF Note When replacing the Main board install the EEPROM mounted on the replaced Main board uoIS9A 14VYC H11020860r RAA Category Proccesor error LCD message ERROR CONTROLLER nn aaaaaaaa Light off ATTENTION LED Trouble or status An error occurred in the controller n 1 Exception Code aaaaaaaa Error address E Exception Reserved Address Error Exception Lead instruction instruction fetch Address Error Exception Store instruction Bus Error Exception Instruction Fetch Bus Error Exception Load instruction store instruction System Call Exception Breakpoint Exception Reserved Instruction Exception Coprocessor Unusable Exception Arithmetic Overflow Exception Turn the power off then on Replace the Main board BOARD FFF Note When replacing the Main board install the EEPROM mounted on the replaced Main board 6 5 2 LCD message troubleshooting If troubles are not correctable from the LCD message trouble list follow the troubleshooting flowcharts given here to deal with them Trouble Flowchart number The printer does no
13. Spring Sheet 4PP4076 5359P001 Cassette stopper 4PP4043 4526P001 Spring DI DIDI DI Ww O o c lO N O O OG SN 4PB4016 1960P002 Rubber foot A D o 3PP4076 5714P001 Guide rail plate L o 40349701 Roller link Dv 40346801 Frame side R assy 40488801 Guide cassette R For Maintenance 40349101 Lever link Caulking 3PP4076 5715P001 Guide rail plate R 4PP4076 5360P001 Detector spring 40368303 Board PXC 3 40433001 Plate earth R 40347001 Cover front assy 40366501 Motor 40247001 Gear double 40348301 Pulley Idle 40422101 Flang pulley O O O O O O O O O O O O 40444301 Tray switch assy A D 2201000P0141 Connector IMSA 9714N 14B To Printer or 2nd Tray 2201000P0140 Connector IMSA 9714N 14A To 3rd Tray 40247301 Roller feed 4PP4043 4489P001 Feeding bearing 4PP4076 3949P001 Bush O O O O O 40247101 Gear feed D 40247201 Pulley feed 40247801 Bracket joint 40433401 Spring joint 40247701 Gear joint 40247501 Shaft hopping C u oo jojojo GO GO GOOD O OQ OQ OQ OQ O OQ OQ OQ OQ OQ O GO CO 0 O G o 40930701TH DRAFT Vesion 216 Table 6 1 High Ca
14. w v jvj C O DI GO GOO o GO O WI GO GO GO GO OQ Q G gt O O O O O O O O O O O O gt 40930701TH DRAFT Vesion 217 Appendix D MULTI FEEDER MAINTENANCE 1 OUTLINE 1 1 Functions This Multi Feeder is installed on the front section ofthe printer and it supplies paper automatically through the operation of hopping motor which is driven by signals sent from the printer The main functions are the followings Paper that can be used Paper type Paper size Quantity of paper Plain paper A6 106 x 148 mm A4 64 90 g m Thick paper OHP film 64 90 g m Post card label sheet Post card A4 size equivalent 64 128 g m Envelope C5 DL COM 10 COM 9 Monarch 64 90 g m approximately 50 sheets of envelopes can be set at a time 1 2 External View and Component Names Link Hopper cover Upper cover Roller B Paper supporter Paper guide L L A Square shaped connector Cover frame 40930701TH DRAFT Vesion 218 2 MECHANISM DESCRIPTION 2 1 General Mechanism The sheet or envelope at the very bottom of the stack is fed into the printer one at a time when the Multi Feeder receives the signal from the printer 1 First the hopping motor rotates in the direction of arrow D The planet gear F moves to the direction of arrow G and drives rollers A and B The roller C is linked to pulley which is
15. OKI OKIPAGE24DX OKIPAGE24dx LED Page Printer Maintenance Manual ODA OEL INT 40930701TH DRAFT Vers ion 1 237 PREFACE This maintenance manual describes the field maintenance methods for OKIPAGE24DX OKIPAGE24dx This manual is written for use by maintenance personnel Note however that the user should refer to the USER S MANUAL for methods of handling and operating the equipment 40930701TH DRAFT Vesion 2 CONTENTS CONFIGURATION e 7 1 1 System Configuration srenti an a nc 7 1 27 Printer Conflguratlon vecinas tdo kusa ga 8 1 3 Optional Configuration ssssssssssssssesenenene nne enne nnne nennen nennen 9 JEN TV eue 11 1 5 Safety Standards uud sasaqa askha tt uet ad inue an AENEAN AEAEE AA AG edv ee auda 13 1 5 1 Certification label adsonar aa a nnne en aa Tars 13 15 2 Warning labels E 13 OPERATION DESCRIPTION 14 2 1 Main Control Board BOARD FFF 16 2 2 Power Supply Unit itecto ett lila 20 2 3 Electro photographic Process ooccccncccnnnociconoccnononcncnnoconnnnnn nano cn cnn nn anar cnn nn nn nn nan nenne 22 2 3 4 Electro photographic process mechanism 22 2 39 2 Electro photographic process esner 24 2 4 8 Process operation descriptions
16. g eg 4j44 preog re e Assy aued dO aree ya Assy jejoy pice Assy 1V3H o eee ojowu ue oqa ze e Assy peuo gg Assy yopl s dn eoej S o o 2 lt lt below 58 40930701TH DRAFT Vesion 3 3 1 Face up Stacker Assy 1 Turn off the AC Power Switch and unplug the AC Power Cord from the outlet 2 Disconnect the Interface Cable 3 Open the face up stacker assy unhook the right and left projections and then remove the face up stacker assy 40930701TH DRAFT Vesion 59 3 3 2 Contact Assy 1 Open the stacker assy and unscrew 2 screw 2 to remove the assy side L 2 Unscrew 2 screws 4 and remove the plate contact 5 and contact Assy Note Don t deform the electrode plates of the contact assy Q 40930701TH DRAFT Vesion 60 DC Fan Motor 3 3 3 1 Remove the cover assy side L See 3 3 2 1 2 Remove the DC fan motor by pulling out the connector of DC fan motor 61 40930701TH DRAFT Vesion 3 3 4 OP Panel Assy 1 Disconnect the Interface cable 1 2 Open the stacker assy unscrew 2 screws 3 and remove the cover side I F 3 Remove 2 screws 5 and flexible cable to remove the operator panel assy 62 40930701TH DRAFT Vesion Board FFF 3 3 5 See 3 3 4 1 Remove the operator panel assy and cover side I
17. 40930701TH DRAFT Vesion 32 3 Charging Charging is effected by applying a DC minus voltage to the charge roller that is in contact with the image drum surface Charge roller Image drum 4 Exposure Light emitted from the LED head irradiates the image drum surface with negative charges The surface potential of the irradiated part of the image drum drops thereby forming an electrostatic latent image associated with the image signal LED head Charge roller LED head Power supply Image drum Paper Image drum 40930701TH DRAFT Vesion 33 5 Developing Toner is attracted to the electrostatic latent image on the image drum surface to convert it into a visible toner image Developing takes place at the contact between the image drum and the developing roller CD As the toner supply roller rotates while rubbing on the developing roller a friction charge is generated between the developing roller and the toner allowing the toner to be attracted to the developing roller The developing roller surface is charged positive and the toner negative Doctor blade Charge roller Toner supply roller Developing roller Image drum The toner attracted to the developing roller is scraped off by the doctor blade forming a thin coat of toner on the developing roller surface 3 Toner is attracted to the exposed part low potential part of the image drum at the contact between the im
18. I YES END No Replace the front feeder paper sensor assembly Y No Is the hopping roller rotating Yes Set the paper properly No Isthe hopping motor rotating Yes Replace the front feeder gear or idle gear 1 40930701TH DRAFT Vesion 139 2 3 Paper feed jam Does a paper feed jam occur when the power is turned on Yes Is the paper on the paper sensor lever Yes Remove the paper No Does the paper sensor lever operate smoothly No Replace the paper sensor lever Yes Clean the paper sensor See Figure 2 3 Sensor Layout Diagram Is the printer recovered No Replace the Power Supply Unit High Voltage YES END Y No Hasthe paper reached the paper sensor lever No Isthe Drum motor rotating No Gotoonthe next page Yes Is the cluch for register roller NO 44 in Figure 8 2 turned on No Is a cable from the clutch connected to CLR connector on the main board Y ves Replace the Clutch Y isthe printer recovered Y No Replace the Main board Y YES END v Go to on the next page v Go to on the next page B 40930701TH DRAFT Vesion 140 From on the preceding page B From on the preceding page A Yes Is the image drum set properly e No JSetthe image drum properly Yes Incase of paper feed from the front feeder check the hopping roller of the front feeder assembly In case of paper feed from the tray check the hopping r
19. ON ON OFF ON OFF OFF ON OFF ON OFF ON PAPER TRAY PRINTER PRINTER DUPLEX UNIT DUPLEX UNIT PRINTER DUPLEX UNIT PRINTER STACKER DUPLEX PRINTING TIMING CHART 2 4 8 Process operation descriptions 1 Hopping Hoppings from the first tray and the front feeder are effected by a single hopping motor in the mechanism shown below Hopping Motor Front Feeder Duplex Unit 1st Tray Turning the Hopping motor in direction a CW drives the 1st Hopping Roller Turning the Hopping motor in direction b CCW drives the Front Hopping Roller Gear C and Hopping roller bultin one way bearing so that turning each of these gears in reverse direction will not be transmitted to the corresponding roller Gear C Hopping Motor One way Clutch build in Front Hopping Roller One way clutch build in AS ER Roller Regist Planet Gear Gear B Sub Roller Paper 1st Hopping Roller Gear A One way clutch build in 40930701TH DRAFT Vesion 28 a Hopping from the 1st Tray D Hopping Rotating the Hopping Motor in direction a CW drives the 1st Hopping Roller
20. ON has been selected in the menu this indication is cleared by pressing Recover switch Warning O ATTENTION O POWER SAVING Informs that the printer becomes power save status heater off This is indicated in combination with other messages of the first line Normal operation O ATTENTION 2 PAPER NEARED Tn Informs that the sheets are near to end in a tray cassette common with 1st 2nd 3rd when the remaining reaches 20 sheets it is detected Warning uoIS9A 14VYHC HLIOZOE60r vel Category Daily status LCD status message O ATTENTION 0 0 TONER LOW Trouble or status Informs that the amount of toner low This is indicated in combination with other messages of the first line Normal operation is possible But when LOW TONER OFF has been selected in the menu ATTENTION LED will flash Replace the toner cartridge o ATTENTION O TONER SENSOR Informs that toner sensor detects an error But when the total drum count were gt 30 pages this error would be indicated when the total drum count were lt 30 pages an impossible to reset alarm ERROR 77 which will be described later would be indicated This is indicated in combination with other messages of the first line Normal operation is passible Check the operation of the toner sensor lever Replace the Power Supply Unit High Voltage Replace
21. Y ves Replace the Main board or ask the user to check the hardware and software at the host side loop back connector Pe j 3RD Serial interface cable Poe L 5CTS r 8 NOT USED 11 SSD m 6 DSR 20 DTR DB25S Connection method Test connector connecting drawing 40930701TH DRAFT Vesion 152 Data cannot be received through the OKI HSP interface ls the interface board option connected to the OKI HSP interface connector on the Main board properly No Connectthe interface board option to the OKI HSP interface connector properly e Yes Is there any broken or bent pin in the interface board option Yes Ask the user to replace the interface board option No Replace the Main board OK e No A trouble may exist in the interface board option interface cable or host side Ask the user to check these items aD Synchronous serial I O error ERROR 74 Are POWER connector of the Main board and Connection cord wire Figure 8 2 No 21 properly Are Connection cord wire Figure 8 2 No 21 and CN3 connector of the Power Supply Unit AC120V or 230V connected properly No Connect the connectors properly e Yes Is there any flaw or breake Yes Replace the connection cord wire Yes Replace the Main board oq o Is the printer recovered No Replace the Power Supply Unit High Voltage oq YES END 40930701TH DRAFT Vesion 153 7 6 5 3 Image troubleshooting Procedures for troub
22. 1 2 3 4 5 6 7 8 9 10 11 12 38V GND GND 5V GND GND OUTSNS CLK DATA INSNS SDR PAPERSNS 1 PH1N 2 PH1P MAIN 3 PH2N MOTOR 4 PH2P to Printer Unit 7 2 PCB Layout 1 Main board BOARD FFF Im 6loo oooooooooooooooo OF Lloooooo0o00000000000 BI O 000000 2 1N39 O O O o O o o 0 0 0 0 0 o o 000000000000 ZO joo000000000000 l OcE cSH O O O O O O O O O O O O O O o o o O O 0 O ON3A3 WOH 19d 0000 WOu 19d m 000000000000 00000000000000 O0 0 0 0 00 000002020 O0 0 0 0 O O O O O O O O 0 O LN3A3 WOY 19d Lado WOY 10d O0 0 0 0 O O0 00002020 O0 0 000000000020 000000000000 999909929999999 9 9999999999999 z 2 N3A3 aqo N3A3 INOH Sd ado NOY Sd lt tc d e 0000000000000 0000000000000 9 jsm o 2 2 i57 LO 00000000000000000000000000000 2 iV 9 e0 90009 0000000000000o0000000000 o o oO SIdNW i I z E ae A Wud o RN IRR INR oe ll oe Il a o o o o lt o o o o9 o o ru o o o E 5 20 2o o o 3 E o oS e o 2o 2o 2e o o o oe o amp 2o 20 gt o 96 o o9 e e o o o o e M S 9 booooooooooooooooo 000000000000000000 00000000000000
23. 2 shows the printer unit configuration Cover Side L Assy Frame OP panel Assy 9 Plate Shield 9 Cover Side I F Stacker Assy 1 D Unit Base Unit Figure 1 2 40930701TH DRAFT Vesion 1 3 Optional Configuration The options below are available for use with OKIPAGE24DX OKIPAGE24dx They are sold separately from the printer unit 1 Multi Feeder 3 D RAM SIMM module 72 pin SIMM 16 MB 32 MB EDO SIMM type See 7 2 1 for where to install 40930701TH DRAFT Vesion 9 4 Flash ROM module 72 pin SIMM 4MB 8MB See 7 2 1 for where to install S 40930701TH DRAFT Vesion 10 1 4 Specification 1 Type 2 External dimensions excludes protruding Portion 3 Weight 4 Development method Exposure method 5 Paper used 6 Printing speed 7 Paper feed method 8 Paper delivery method 9 Resolution 10 Power input 11 Power consumption Desk top Height 13 0 831 mm Width 14 4 366 mm Depth 18 2 462 mm 21 3 kg 47 lbs Dry electrophotography LED stationary head lt Type gt Standard paper Xerox 4200 20 lbs Application paper manual face up feed Label Envelope OHP paper Transparency Size Standard sizes Letter Legal Executive Envelope without Duplex printing A4 A5 without Duplex printing B5 without Duplex printing A6 without Duplex printing
24. 3 Remove screw 1 Turn EP lock lever L Assy O in the direction of arrow A 4 Remove spring 5 Drop EP lock shaft down and turn in the direction of arrows B and remove it 40930701TH DRAFT Vesion 81 3 3 23 LEVER Assy Out Sensor 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove the frame main See 3 3 12 7 3 Press the clamp part of LEVER Assy Out Sensor Remove the LEVER Assy Out Sensor by pushing it upward from the lower side 40930701TH DRAFT Vesion 82 3 3 24 Toner sensor lever 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove the frame main See 3 3 12 7 3 Squeeze the clamp part of toner sensor lever and remove the toner sensor lever by pushing it upward from the lower side 40930701TH DRAFT Vesion 83 3 3 25 Paper sensor lever 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove the frame main See 3 3 12 7 3 Squeeze the clamp part of the paper sensor lever and remove the paper sensor lever by pushing it upward from the lower side 40930701TH DRAFT Vesion 84 3 3 26 Inlet sensor lever 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove the frame main See 3 3 12 7 3 Squeeze the clamp part of two inlet sensor levers Remove the inlet sensor levers by pushing them downward 4093
25. COM 9 DL ENV C5 ENV C4 ENV xxx Emulation in operation AUT PCL PS PPR FX and HEX dddddd The mode of both sided printing one sided printing is indicated DUPLEX SIMPLEX ATTENTION O OFF LINE XXX dddddd tttttt Indicates off line status O ATTENTION O PROCESSING xxx Indicates during data receiving or outputting Normal operation e ATTENTION O DATA PRESENT xxx Indicate that not yet printed data is remained in the buffer In a state of waiting for following data In the off line mode the data is printed by pressing the FORM FEED button uoIS9A 14VYHC HLIOZOE60r Ez Category LCD status message O ATTENTION O PRINTING Trouble or status Indicate that the printer is printing O ATTENTION FLUSHING JOB Indicates that job flush is designated and the state in which data is received and abandoned until the completion of a job Normal operation READY ATTENTION O RESET TO FLUSH Mean that in shifting to off line in data remaining state if you want to abandon the data being processed execute the reset Flushing job Press the RESET button Resume Press the ON LINE button O ATTENTION E PS NOT AVAILABLE Indicates that not installed printer language is designated by PJL command Warning When CLEARABL WRNINGS
26. Chassis Ground 18 5V lt PR 5V Supply 50mAm 19 oV Signal Ground 20 27 OV Signal Ground 28 oV Singal Ground 29 oV Signal Ground 30 oV Signal Ground 31 INPUT PRIME PR ninit ninit nReverseRequest 32 FAULT c PR nFault nDataAvail nPeriphRequest 33 oV 34 35 HILEVEL lt PR High Level 36 SEL IN gt PR nSelectln 1284 Active 1284 Active Connector pin arrangement 40930701TH DRAFT Vesion 185 4 Signal level LOW 0 V to 0 8 V HIGH 2 4V to 5 0 V 5 Interface circuit a Receiving circuit DATA STROBE and INPUT PRIME 45V P1 74LS19 or equivalent R2 I gt Signal name R1 R2 C DATA STROBE 33KQ 1000 560pF INPUT PRIME 3 3KQ 1KO 0 001uF DATA BIT 1 to 8 5V R3 3 3KQ R3 gt 74LS374 or equivalent b Sending circuit 5V qm R4 3 3KQ gt 7407 or equivalent Open collector 40930701TH DRAFT Vesion 186 6 Timing charts E Compatible mode 8 Data receiving timing PARALLEL DATA DATA BITs 1 to 8 DATA STOROBE BUSY ACKNOWLEDGE lt 0 min b On line off line switching timing by ON LINE SW ON LINE SW YT BUSY SELECT 100 ms max c Off line gt on line switching timing by ON LINE SW ON LINE SW _ L S BUSY PEITIPFAIVVOA AA 0 min ACKNOWLEDGE 100 ms max 40930701TH DRAFT Vesion 187 d INPUT PRIME timing when set to the effective INPUT PRIME signal 50 us min INPUT
27. Paper Feeder Verify connection of Board BBB and square shaped connector Replace the square shaped connector if necessary Replace Board BBB 40930701TH DRAFT Vesion 211 4 3 2 Troubleshooting Flow e JAM error Paper Input_Jam Y NO NO t NO t NO Y YES Y vES Does paper jam at the inlet when the power is turned on YES Is the paper located above the inlet sensor lever YES Remove the paper NO s the inlet sensor lever operating normally NO Replace the inlet sensor lever YYES Clean the inlet sensor 1 on the power supply unit High Voltage or replace the power supply unit High Voltage See Figure 2 3 Sensor Layout Diagram When the paper is fed in does the paper input jam occur YES Is the paper being fed to above the inlet sensor lever YES Is the inlet sensor lever operating normally NO Replace the inlet sensor lever YES Clean the inlet sensor 1 on the power supply unit High Voltage or replace the power supply unit High Voltage See Figure 2 3 Sensor Layout Diagram TNO Replace the hopping roller shaft assy or paper cassette Is the hopping roller shaft rotating e YES Set the paper properly Is the stepping motor turning e YES Replace the one way clutch gear on the hopping roller shaft assembly Is the connector cable being connected properly eNO Connect the connector cable properly Check the coil resistance approx 6 70 of the steppi
28. Sensor lever Roller B 40930701TH DRAFT Vesion 222 33 Parts Replacement Methods This section describes the parts replacement methods for the components listed in the disassembly order diagram below Multi Feeder Separator 3 3 1 I AOLE PCB 3 3 2 m Square shaped connector 3 3 3 m Hopping motor 3 3 4 Planet gear 3 3 5 m Roller B 3 3 6 m Roller A 3 3 7 Mini pitch belt amp Feed roller 3 3 8 40930701TH DRAFT Vesion 223 3 8 1 Separator 1 Turn the printer power off and remove the Multi Feeder 2 Disengage the link and hopper cover 3 Remove two screws Q disengage two locks of the upper cover using a flat head screwdriver and remove the upper cover 2 4 Remove two pan head screws 3 and remove the cover frame 4 5 Disengage the plate and the frame Refer to 3 3 6 6 Remove two screws 5 and remove the separator assy 6 7 Lift the paper stay and disengage it from the separator bracket 8 then remove the separator 9 The spring 40 comes off at the same time so be careful not to lose it Plessure spring Roller _ Ya Check at the time of assembly When the secondary stage of idle gear 4 is turned in the A direction after engaging the plate and the frame the inclination of the pressure roller 42 is less than 0 1 mm against the plate 43 as shown in the right figure When the incl
29. TAT NW SN N N 2 Ly 2 aI NN ANN A DA FIA Pp yf AS Ay S By ZA Z y ig Z N S e q fy p 40930701TH DRAFT Vesion 73 3 3 15 Roller feed C 1 Remove the guide assy eject See 3 3 13 But roller transfer feeder unit front plate FG F have not be removed 2 Remove the gear roller C and bush warp a part of the plate FG BK 3 Take off the carrier bearing and remove the roller feed c in the direction of the arrow Note Be careful not to deform a part of the plate FG BK 40930701TH DRAFT Vesion 74 3 3 16 Roller Assy BK 1 Remove the heat Assy See 3 3 14 2 Remove the lever back up release See 3 3 12 8 3 Unlock the engagement with the plate FG BK and lift out the roller heat assy a P d P d pe S lt n S 75 40930701TH DRAFT Vesion 3 3 17 Roller Assy Feed 1 Remove the feeder unit front See 3 3 10 2 Remove the roller assy feed by unlocking a latch 40930701TH DRAFT Vesion 76 3 3 18 LED Head 1 Remove the stacker assy See 3 3 6 2 Unplug the PC connector and 2 LED cables from the LED head 3 Open the hooks of the cover stacker 1 in the direction of the arrow and remove the LED head O 4 Pull out the head spring from the post Note Don t remove two LED cable from the PC connector 2 409307
30. U Reccomended Q ty Remarks 40483401 SOLENOID Ass 40395501 SPRING SL 40382601 PLATE Earth F R 40322901 PLATE Earth F R 2 40382801 PLATE Earth BTM NK2 12SUS Knock Pin RE4 SK E Ring 40339102 LEVER Lock DUP Color Black 40338601 LEVER Release DUP 40393701 SPRING Support 40495804 Board LEX Without ROM 40942601 Program ROM IC1 40318201 COVER Bottom DUP 40382701 Earth MTR 40930701TH DRAFT Vesion 184 Appendix A CENTRONICS PARALLEL INTERFACE 1 Connector Printer side 36 pin receptacle Type 57RE 40360 830B D29 made by DDK or equivalent e Cable side 36 pin plug Type 57 30360 made by DDK or equivalent 2 Cable e Cablelength 6ft 1 8 m max a shielded cable composed of twisted pair wires is recommended for noise prevention Note Cable is not provided 3 Table of parallel I F signals Pin No Signal name Signal direction Compatible Nibble ECP 1 DATA STROBE PR nStrobe Host CIk Host Clk 2 9 DATABIT n gt PR Data 1 LSB 8 MSB 10 ACKNOWLEDGE lt PR nAck Ptrclk PeriphClk 11 BUSY lt PR Busy PtrBusy PeriphAck 12 PAPER END lt PR Perror AckDataReq nAck Reverse 13 SELECT lt PR Select Xflag Xflag 14 AUTO FEED PR nAutoFb HostBusy HostAck 15 16 oV Signal Ground 17 CHASSIS GROUND
31. activated by the hopping motor to send only a top paper which is caught on the brake shoe Printer Roller feeder Hopping Roller Sub Roller lt Second Paper Feeder gt Hopping Roller Sub Roller lt Third Paper Feeder gt 40930701TH DRAFT Vesion 194 3 PARTS REPLACEMENT In this section the removing and installing procedure of assembly and unit in field are described Although this section describes the removing procedure the installing procedure is basically to conduct the removing one in reverse 3 1 Precautions Concerning Parts Replacement 1 Parts replacements must be carried out by first turning the printer power switch off O and removing the High Capacity Second Third Paper Feeder from the printer 2 Do not disassemble the Second Third Paper Feeder if it is operating normally 3 Establish the extent of disassembly suitable for the purpose of the procedure and do not disassemble any more than necessary 4 Only specified service tools may be used 5 Disassembly must be carried out according to the prescribed procedures Parts may be damaged if such procedures are not followed 6 Small parts such as screws and collars can easily be lost therefore these parts should be temporarily fixed in the original location 7 When handling printed circuit boards do not use any glove which may generate static electricity 8 Do not place the printed cir
32. and the Sub Roller then pick up a sheet of paper in the 1st tray The Main Motor is always driven in direction c CCW on printing After the paper fed approx 30mm from the tray the Clutch Feed drives the Align Roller to advance the paper until the Inlet Sensor turns on Aligning After turning on the Inlet Sensor the paper fed by a predetermined length and choked up to the wedge space formed by the Regist Roller and the Pressure Roller so that to align the skew of paper During the paper fed from the 1st tray the build in clutch of Gear C is idled and not to drive the Front Hopping Roller Feeding After aligned the paper the Hopping Motor turned off and stop hopping Also the Clutch Feed turned off and the Align Roller idled freely Then Clutch Regist turned on and the Regist Roller start to feed the paper After the paper fed the 1st Hopping Roller is freely idled by releasing build in one way clutch also the Sub Roller is freely idled by escaping the Planet Gear Start printing after the paper turns off the Write Sensor Pressure Roller ee Regist Roller I Inlet Sensor Clutch Regist Write Sensor Clutch Feed Gear D Main Motor Align Roller 40930701TH DRAFT Vesion 29 b Hopping from the Front Feeder Hopping The Front Feeder Plate is normally locked at the lower position by the Release Lever and turn the Micro SW on Top of th
33. data is a 4 bit data for each dot The relationship between the LED correction data and LED current correction steps with the LED driver used in an LED head is shown below LED Correction Data Corretion Data Correction Step Correction Mode 16 14 12 10 8 6 4 2 4 4 Correction by increasing illumination 0 0 0 0 0 0 0 0 0 No correction 2 4 6 8 10 12 14 y Correction by decreasing illumination 4 40930701TH DRAFT Vesion 45 The printing operation timing chart is shown below Normal Mode Printing Timing Chart cock JUUUUUUUU TSS UU UU UU UE UU LOAD patas OOOO UU OO QU00 STRB1 N STRB2 N STRB3 N STRB4 N First line printing data sent Second line printing data sent First line printing The printing operation is carried outin normal mode Under ordinary circumstances such as when the power is turned on or when LOAD signal level is low the normal mode is enabled The printing operation is carried out in the following sequence First the printing data DATA3 through DATAO are stored sequentially shifted in the shift registers of the LED drivers by the printing data synchronous clock CLOCK Then the printing data stored in shift registers are latched by the hi
34. data on the same memory Atthe same time it transfers the bit image data to an LED head in units of one dot line The electro photographic process mechanism prints data on paper The operator panel is used for operations and status display Fig 2 1 shows an OKIPAGE24DX OKIPAGE24dx block diagram 40930701TH DRAFT Vesion 14 MAIN BOARD BOARD FFF FLASH ROM Module m DUPLEX unit PS ROM NH gt MULTI feeder lg gt PCLROM gt 2nd tray 3rd tray lt Paper end sensor Extension L DRAM Module Le l Paper near end sensor LSI Tray size Le BOARD PXC DRAM sensor board Clutch for TRANSISTOR a Regist Roller Centronics z Driver VF Clutch for TRANSISTOR Hopping Roller I DRIVER Hopping Motor RS232C LT beer cB Q I F Receiver pRIVER 1 Main Motor ok LAN etc HSP I F lt gt Operator panel Option Board i Option EEPROM m gt LED HEAD 3V 5V 8V 8V 38V POWER LI intet sensort SUPPLY aper sensor UNIT pap AC120V 230V
35. data within one page Too large macro data Too large DLL data Overflow after the compression of frame buffer Press the RECOVER key on the operator panel to release the error display Install an expansion optional RAM or reduce the amount of print data uoIS9A 14VYHC H11020860r pr Category LCD status message ATTENTION e ERROR RECEIVE BUFFER OVERFLOW Trouble or status Informs that the data within the receiving buffer Overflows The operation is continued by pressing Recover switch The host side should be changed in settings to be able to recognize a printer Busy status and the data be re transmitted Press the RECOVER key on the operator panel to release the error display Change the setting of the host side so that the host can detect the busy state of the printer Resend the data from the host side to the printer ATTENTION O ERROR PRINT OVERRUN Informs that the printer occurs an Overrun The operation is continued by pressing Recover switch The page formatting should be slightly simplified It can be canceled in PS mode when the completion of a job Press the RECOVER key on the operator panel to release the error display Simplify page data formatting ATTENTION O ERROR HOST I F RS232C Informs that an error occurs in serial I F The operation is continued by pressing Recover switch This is indicated when parity error fram
36. duty Image drum cartridge 30 000 pages at continuous Simplex printing 19 000 pages 3 page job Simplex printing Simplex printing without Power Save 40930701TH DRAFT Vesion 12 1 5 Safety Standards 1 5 1 Certification label The safety certification label is affixed to the printer in the position below ex ODA 120V America ne 9 k ER Serial No Made OKI 1 5 2 Warning label The warning label is affixed to the portion which may cause an injury to human body Follow the instructions on warning labels during maintenance CAUTION HOT ATTENTION CHAUD VORSICHT HEI amp ATENCION ALTA TEMPERATURA ATENCAO ALTA TEMPERATURA CAUTION HOT VORSICHT HEIB Do not touch the inner roller Bertihren Sie nicht die innere Walzel ATTENTION CHAUD ATENCION ALTA TEMPERATURA Ne pas toucher le rouleau interne No toque el rodillo interior ATEN O ALTA TEMPERATURA Non toccare il rullo interno Bake LOROO I KFEMNBUTCEAD 40930701TH DRAFT Vesion 13 2 OPERATION DESCRIPTION OKIPAGE24DX OKIPAGE24dx consists of a main control board a power supply unit 120V 230V a power supply unit high voltage an operator panel and an electro photographic process mechanism The control board receives data through a host I F decodes and edits the data and stores the edited data in a memory After completing edition of one page of data it references the font memory and generates bit
37. esses a nnns 235 5 2 PCB AV OU iia ta aiii as 235 PARTS LIST e LET 236 40930701TH DRAFT Vesion 6 1 CONFIGURATION 1 1 System Configuration OKIPAGE24DX OKIPAGE24dx consists of control and engine blocks as the standard configu ration See Figure 1 1 In addition the following options are also available Printer r Main control Power ror M4 hP supply Mechanism unit Y IID unit Parallel interface DC Fan Toner Cartridge Bidirection RS 2320 Serial I F Motor Main Hopping motor LAN etc lt gt OKI HSP Paper tray interface board Option Paper size detection switch Y E Extension D RAM SIMM l Option High Capacity Second Paper Multi Feeder Feeder Option i Option Y e I E 4MB 8MB High Capacity f Flash ROM SIMM Third Paper Option Feeder Option Consumables Duplex Unit gt Paper feeding Singal flow produced by third vender Figure 1 1 40930701TH DRAFT Vesion 1 2 Printer Configuration The printer unit consists of the following hardware components Electro photographic processor Paper feeder Controller Operator panel Power supply unit Duplex Unit Figure 1
38. guide film 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove the stacker Assy See 3 3 6 3 Unscrew 2 screws 1 release tabs at portion A Remove cable cover 2 guide film 6 Note Use care when replacing cable cover Do not pitch crimp or cut cables or protective sheet 40930701TH DRAFT Vesion 66 3 3 9 Damper 1 Remove the damper arm See 3 3 6 2 Unscrew 2 screws 1 and remove the two damper 40930701TH DRAFT Vesion 67 3 3 10 Feeder Unit Front 1 Open the manual feed assy and release both right and left parts by pulling out the engagements on the lower part 2 Stand the manual feed assy on end and unhook the engagements with both right and left manual feed hopper stays 3 Remove the OP panel assy See 3 3 4 4 Unscrew 5 screws 2 and remove the feeder unit front 6 40930701TH DRAFT Vesion 68 3 3 11 Roller Assy Regist 1 Remove the feeder unit front See 3 3 10 2 Remove an E ring gear assy clutch and four screws Q in this order and lifting out the roller assy regist 40930701TH DRAFT Vesion 69 3 3 12 Motor Main 1 Remove the stacker assy See 3 3 6 2 Remove the feeder unit front See 3 3 10 At this point the manual feed assy has not to be removed 3 Remove the DC fan motor See 3 3 3 4 Remove the contact assy See 3 3 2 5 Remove t
39. interface cable No Replace the Main board or ask the user to check the hardware and software at the host side 40930701TH DRAFT Vesion 151 Message cannot be received through the serial interface s message ERROR HOST I F displayed Yes Setthe RS 232C I F ENABLE in HOST I F items of Menu 1 No Setthe RS 232C I F to ENABLE No Do the following items selected for RS232C SERIAL in menu level 2 coincide with those selected at the host side e FLOW CONTROL PARITY BAUD RATE MIN BUSY DATA BITS No Ifthe selection differs between the printer and the host change the setting of the above items in menu level 2 so as to coincide with the setting at the host side Yes Is the connector of the serial interface cable connected to the printer properly No Connect the connector printer properly Yes Is there any defect in the serial interface cable broken or bent pin broken wire Yes Replace the serial interface cable lt 4 No Perform the loop back test using the loop test function in the system mainte nance mode To make this test it is necessary to form the following loop back connector Connect the loop back connector to port instead of connecting the host Y Is LOOP TEST displayed ERROR No Replace the serial interface cable Y Is the printer recovered YES END Y No Replace the Main board
40. o 105A1046C1001 ZCAT1325 0530A R CORE 4PP4043 4489P001 Bearing O CO 40930701TH DRAFT Vesion 178 Figure 8 3 Base Unit 179 40930701TH DRAFT Vesion Parts No Table 8 3 Base Unit 1 2 Name Q ty U Reccomended Q ty 100 1000 Remarks 40377601 40597101 GUIDE Assy Cassette L GUIDE Cassette L 3 For Maintenance 4PP4122 1217P001 Pull Block 40349102 Lever Link Caulking 40349701 ROLLER Link 4PP4076 5358P001 Rink Support 40928101 Spring Sheet 4PP4076 5359P001 Cassette Stopper c o jo oc01 m coj rmrn 4PP4043 4526P001 Pressure Coil Spring o 40445601 Earth Plate L 40377701 GUIDE Assy Cassette R N 40597201 GUIDE Cassette R For Maintenance Co 40349101 Lever Link Caulking _ A 40368302 Board PXC 2 al 2201000P0140 Connector IMSA 9714N 14A o 4YS4011 4448P003 Nylon Connector Cord To 2nd Tray N 4PP4076 5360P001 Detector Spring DI ADI ADI AD A Qo O 00 40389801 PLATE Earth Bottom e 40518501 PLATE Earth Link pe 2201000P0141 Connector IMSA 9714N 14B Dv ok 40375001 Connection Code Wire To Duplex N N 40316901
41. on the same shaft as roller A and it also turns at the same time as roller A The paper is fed for a predesignated distance until the leading edge reaches roller C 2 Next the hopping motor rotates in the direction of arrow E The planet gear F moves to the direction of arrow H and drives idle gear J The rotation of idle gear J is transmitted to the gears linked to it and drives pulley on the same shaft as roller A turning roller C to feed the paper into the printer until it reaches the registration roller of the printer During this process a one way bearing is engaged at pulley so that the rotation of pulley is not transmitted to roller A preventing any feeding of papers by roller A Planet gear F Hopping motor Idle gear J Roller B Roller A Pulley Belt Roller C 2 2 Hopper Mechanism The hopper automatically feeds the printer with the paper being set single sheet at a time Multi Feeder Printer Roller B Roller A Roller C Registration roller 40930701TH DRAFT Vesion 219 3 PARTS REPLACEMENT This section covers the procedures for the disassembly reassembly and installations in the field This section describes the disassembly procedures and for reassembly procedures basically proceed with the disassembly procedures in the reverse order 3 1 Precautions Concerning Parts Replacement 1 Parts replacements must be carried out by first turning the printer power swit
42. the Bracket joint Spring joint and Gear joint 4 4 Take away the E ring 5 to remove the Gear hopping 6 5 Disengage latchs to remove the Gear hopping 2nd 7 At this time the Bracket planet assy 8 can be removed simultaneously 6 Take away two E ring 9 and pull out the Knock pin 0 to remove the Gear Z38 1 7 Remove two ADF bearing 2 Spring release 3 Bearing F 44 and Space hopping shaft 5 and remove the Shaft hopping 46 Guide roller 47 Lever release assy 8 and Bracket sub roller 49 8 Take away the Gear planet 228 to remove the Planet plate 9 Take away the Bracket spring sub 22 to remove the Spring sub 3 40930701TH DRAFT Vesion 207 3 3 10 Frame side L assy 1 Remove the Frame side L assy See section 3 3 5 2 Remove the Plate Earth BL 3 Take away the Spring 2 to remove the Cassette stopper 3 4 Take away the Spring sheet 4 to remove the Pull block 5 At this time Lever link 6 can be removed simultaneously b Unscrew a screw 7 to remove the Link support 8 6 Remove the Roller link 7 Remove the Plate Earth 8 Remove the Plate Earth 2 9 Remove two Rubber foot 0 40930701TH DRAFT Vesion 208 3 8 11 Frame side R assy 1 Remove the Frame side R assy See section 3 3 5 2 Remove the Plate Earth BR 3 Take away the Spring to remove the Cassette stopper 3 4 Take away the Spring
43. the EEPROM Location IC19 Replace the Main board BOARD FFF An error was detected by optional software ROM Replace the PostScript module BOARD MSM or BOARD FSL An error was detected by optional RAM check Check the optional RAM for proper connection Replace the optional RAM A fault occurred in the fan motor Connect the fan motor cable properly Replace the fan motor Power Supply Unit AC120V 230V uoIS9A 14VYHC HLIOZOE60r PLEL Category Controller LCD message ATTENTION LED Trouble or status Error A fault occurred in the fuser Thermistor open error Thermistor short error See chapter 6 5 2 SSIO error See chapter 6 5 2 Toner sensor error Check the operation of the toner sensor lever Relace the Power Supply Unit High Voltage Replace the main board Note When replacing the main board install the EEPROM mounted on the replaced main board I F timeout occurred between the printer main unit and the operator panel See chapter 6 5 2 I F timeout occurred between the printer main unit and the optional tray 2nd tray 3rd multi feeder See chapter 6 5 2 I F timeout occurred between the printer and the Duplex Unit See chapter 6 5 2 Printing sequence error in the Duplex unit See chaspter 6 5 2 A watchdog timer timeout occurred Monitor error double weight
44. the main board Note When replacing the main board install the EEPROM mounted on the replaced main board O ATTENTION CHANGE DRUM Informs of the drum life This is indicated in combination with other messages of the first line Normal operation is enabled if desired Repace the image drum cartridge Note After replacing the drum cartridge reset the drum counter Refer to the User s Manual O ATTENTION O FUSER LIFE Informs that the life of a replaceable part such as fuser fusing device and roller This is indicated in combination with other messages of the first line Normal operation is possible Replace the fuser unit Note After replacing the fuser unit reset the fuser counter Refer to chapter 4 2 1 READY e ATTENTION O COPY nnn mmm Indicates that the number of sheets in current printing when the number of copies is two or more Normal operation ATTENTION Deletes not yet printed data within the buffer and initiates the status of the printer to user default Temporary DLL macro user pattern will be deleted Normal operation uoIS9A 14VYHC H11020860r Gel Category Daily status LCD status message READY O 0 ATTENTION O PRINT FONTS Trouble or status Prints all the fonts which are included in the printer Ready Light on execution by command Ready Flash execut
45. the statuses and problems displayed in the form of messages on the LCD is provided in Table 4 1 Classification Jam error LCD Status Message PAPER INPUT JAM CHECK TRAY PAPER FEED JAM CHECK TRAY Table 4 1 Description Notifies of occurrence of jam while the paper is being fed from the Second third Paper Feeder Recovery method Check the paper in the Second third Paper Feeder Carry out the recovery printing by opening the cover removing jammed paper and closing the cover and then turning the error display off When the problem occurs frequently to through the Troubleshooting Paper size error ERROR PAPER SIZE CHECK TRAY Notifies of incorrect size pa per feeding from the Second third Paper Feeder Check the paper in the Second third Paper Feeder Also check to see if there was a feeding of multiple sheets Carry out the recovery printing by opening the cover removing paper and closing the cover and then turning the error display off Tray paper out PAPER OUT mmmmmmmm TRAY mmmmmmmm Paper size in the tray being selected Notifies of no paper or paper cassette state of the Second third Paper Feeder Load the paper or paper cassette in the Second third Paper Feeder Interface Timeout ERROR 81 20r3 Notifies of occurrence of in terface timeout between the printer and the Second third
46. u 28 2 3 4 Revision of LED Head lllumination sessirnir 39 2 4 Paper Jam Detection a a a 47 297 COVE POP M IE 48 2 67 Toner Low Detection u cd collie u lleida dll ales me Rae d 49 2 7 Stacker full Detection sessssssesesssssssseseeeeeene entren enn nnne en nnns nnne nnn 51 2 8 Page Size Detection 1 oi iet oer es Gensel Rie OUO 51 PARTS REPLACEMENT cisco 52 3 1 Precautions for Parts Replacement U U u uuu 52 32 Pans Lay6GlLu a E 54 3 3 How to Change ParfSu uuu u uuu tainead naa adi aiaa gai ai 58 g3 Face up Stacker ASSy i i cte eee respec cris 59 9 9 2 COntact ASSY used ete erue cin up tuat a epu agus uus ven PC ERR edu apuq 60 33 9 DG Fam Motonetas tae a Pree aset ied 61 8 94 QP Panel ASSY s uu uu ecd a 62 339 Board FFE E 63 3 3 6 Stacker Assy Damper Arm Cover Rear 64 9 9 7 Sensor Stacker Full ttd etu battens aea tet arboleda 65 3 3 8 Cable cover guide film essen 66 9 9 90 DampeE ue E ete tussi ene 67 3 3 10 A eene nnne nennen nnns senten 68 33 11 Roller Assy Fteglst eius tetra eet eere decedeasicectbenants 69 scm NiODISNI3I S m 70 39 9 49 Guide Assy Eject rccte triada cena Reha 72 3 9 14 Heat ASSY U ua san AA t etr eee 73 3 3 15 Roller feed C ssssssssssesesssssseseee nennen nennen nennen nnns 74 33 10 ROMER ADI u u iier Rog i ec eee ce
47. 0000 ofooooooooooooocooooo 9oo0000000000000000 ojooo060000000000000 1 2 1 2 Le HAWISAHAINIS ZINIWIS EEPROM Motor driver for Main Motor OOOOCOOOOO eoo00000000 SNIddOH 6 99999999 1NOYyW3 000000000 NIV 9 al vf e e s zie oh deal elec ert vivos Llevo ecell 3dOT3AN3 HOLOW Nv4 H HI GN3 MOT AVHLGNZ Motor driver for Hopping Motor 40930701TH DRAFT Vesion 167 2 Power supply board AC120V 230V 3 Power supply board High voltage H 1080d WRSNS 40930701TH DRAFT Vesion 168 4 LEX PCB sell els 12 000000000000 1 Ty SN3Sd SN3SNI oo HOLNT9 5 Flash ROM module BOARD FSL or BOARD FSL 2 ROM1 is ROMO O Rear Sensor Motor driver 40930701TH DRAFT Vesion 169 UOIS A 14VHC H11020860r 0Z Circuit Diagram Illustration Resistance Motor Main b D A Between pins 1 and 2 3 10 Between pins 3 and 4 3 10 Fusing Unit to CN2 connector on the Power Supply Unit AC120V 2300 e lt a to eo eo on the Power Supply Unit High Voltage lt a Thermostat Heater Thermistor Between pins 1 and 2 220kQ at 25 C Bet
48. 000000000000000 71 000000000000000000 72 er sjooocoooooooooooooo 000000000000000000 71 0000000000000000090 72 e 000000000000000000 o 222208000 000000000 71 oooooooooooooooooo 72 jooooooooooooooooo 000000000000000000 1 2 o 1 2 e HAINISA HAIWIS ZWIS SIdNW a loz A 44 pooch aoe p leel else el esa EL IS 1NOUH 3d013AN3 HOLOW Nv4 419 H qw3 MO1 AVH LONC 1 DUP 12 075 or 080 074 or 079 E at e e T T O o o o o o t e N O O e e N N X X o c s cL o apes lt o SFe 2 e ao c po a GE a TEE 1 o 28 z 173 40930701TH DRAFT Vesion PARTS LIST 8 Figure 8 1 Printer Unit 174 40930701TH DRAFT Vesion Parts No Table 8 1 Printer Unit Name Q ty U Reccomended Q ty 50 100 1000 Remarks 40441001 Cover Side L Ass 1 6 Co 40304101 Cover Side R 1 40304401 Cover Frame 40304301 Cover Side l F 40323401 Plate Shield 40304001 Cover Rear 40304506 Frame OP panel Ass ODA 40304503 Frame OP Panel Ass OEL 40304507 Frame OP panel Ass INT O 0 O O o O O o 2381002P0007 SMCD6X280BDX10 BL A
49. 01TH DRAFT Vesion 77 3 3 19 Paper cassette ROLLER Ass Feed ROLLER Assy Hoppibg 1 Pull out the case assy cassette from the printer 2 Remove the ROLLER Ass Feed and remove the ROLLER Assy Hopping y 7 f N VA 40930701TH DRAFT Vesion 78 3 3 20 Frame Assy Separation 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Pull out the case Assy Cassette from the printer See 3 3 19 1 3 Release two locks and remove frame assy separation At this time coil spring 3 is also remove Be careful not to lose this spring Insert so as to pass the both arms of behind two latches inside the alcove of unit RN 40930701TH DRAFT Vesion 79 3 3 24 Transfer Roller TR Gear TR Bearing 1 Open the stacker cover 2 Unlock the lock by lifting the TR gear to remove the TR gear and roller transfer Use the Holder TR Eject 5 for the removal Note Don place the removed roller transfer directly on the desk and so on When placing it lay a paper and the like under it 3 Remove right and left 2 bearings amp from the frame main by sliding them inside while pushing them At this time 2 transfer springs R would be detached simultaneously 40930701TH DRAFT Vesion 80 3 3 22 EP lock shaft 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove Frame Main See 3 3 12 7
50. 0701TH DRAFT Vesion 85 3 3 27 Power supply unit 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove the frame main See 3 3 12 7 3 Unscrew 2 screws 1 and remove the BRACKET AC 4 Unscrew 10 screws 3 and remove the connector 6 remove the Power supply unit AC DC 120 230V and Power supply unit High voltage O 40930701TH DRAFT Vesion 86 3 3 28 Lever Paper end amp Lever Paper near end 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove the frame main See 3 3 12 7 3 Remove screw 1 and then remove the PLATE Base 4 Remove two Spacer Cord KGPS 5RF and then remove FILM Insulation 5 Remove four screws 6 and then remove the FRAME ASS Hopping 6 Remove the GEAR Z58 and GEAR Z42 At this time the ADF Bearing can also be detached simultaneously 7 Remove the GEAR Z38 ADF Bearing 8 ROLLER Guide and SHAFT Hopping Y and Bracket Sub roller At this time the Kock Pin can also be detached simultaneously 8 Remove two screws 7 and then remove the SPRING Release and then remove the LEVER Sub roller and PLATE Hopping 9 Remove the GEAR Planet Z28 B Plate Planet BRACKET Spring Sub and SPRING Sub ROLLER 69 10 Press the clamp part of Lever Paper end and Lever Paper near end Remove the Lever Paper end and Lever Paper near end by pushing it upward from the FRAM
51. 1 pug 0 YOSN3S t dr LAYAH del eQv3H d TINSALS 3J4d4 qQuvOg AG y TSE S O QNO HIS Y t VIVI dZ AVHIONC I ASS dr e AG M d MOTH3dvd I NO YOSNAS ANF HVUN H3dVd AG H Nd3uddVd YOSNAS ANF H3dVd aNd 4 ND ASE de 3dOTaAN3 on ASE Y aamoy SNIddOH HOS H1N9 Y3ATIOY NOLLV4LSIO38 OY HOLM HO1ON NIVIN 20 od y d6 LNOWS d9 TANVd kuko riolcoj said E E 430333 INN 0 YOLOW SNIddOH HOSN3S 3NOH O9d Quvog j 1 40930701TH DRAFT Vesion HOSN3S W3dVd LNOYS 165 UOIS A 14VHC H11020860r 991 38V 1 Er SOLENOID GND z S o GND 1 B ep INLET SENSOR DUPINSENS __2 2 5V 3 ui ep z GND 1 Ut FRONT SENSOR PAPERLOW 2575 5V 3llz LLI o LL BOARD LEX DUPLEX 12P 38V GND CLUTCH dt HOLOW
52. 6 236 40930701TH DRAFT Vesion z Parts No Table 6 1 Multi Feeder Q ty U Reccomended Q ty 50 100 1000 Remarks k 4PP4083 5544G001 Separator 1 6 wm 3PB4083 5514P001 Roller A 4 4PP4083 5520P001 Planet gear 4PB4083 6075P001 Hopping motor 3PB4083 5524P001 Roller C 4PB4043 4614P001 One way pulley 4LP 1313 338 Mini pitch belt 4PB4043 4743P001 Roller B oo lO N O O 4YA4046 1647G011 AOLE PCB 2201000P0141 Connector IMSA 9714N 14B k 4YS4011 4448P004 Nylon connector cord O O O O O O O O O o E ine 4PP4083 2394P001 Stirrer roller gear OW wo jojojo jooj wo wo A 40930701TH DRAFT Vesion 237 237
53. B5 A5 A6 Not available 40930701TH DRAFT Vesion 517 3 PARTS REPLACEMENT The section explains the procedures for replacement of parts assemblies and units in the field Only the removal procedures are explained here Reverse the procedure for the installation 3 1 Precautions for Parts Replacement 1 Before starting parts replacement remove the AC cable and interface cable a Remove the AC cable in the following procedure i Turn off o the power switch of the printer ii Disconnect the AC inlet plug of the AC cable from the AC receptacle iii Disconnect the AC cable and interface cable from the printer b Reconnect the printer in the following procedure i Connect the AC cable and interface cable to the printer ii Connect the AC inlet plug to the AC receptacle iii Turn on I the power switch of the printer Disconnect oF A gt yo gt gt Connect 2 Do not try disassembly as long as the printer is operating normally 3 Do not remove unnecessary parts try to keep disassembly to a minimum 4 Use specified service tools 5 When disassembling follow the determined sequence Otherwise parts may be damaged 6 Since screws collars and other small parts are likely to be lost they should temporarily be attached to the orginal positions 7 Whenhandling ICs such as microprocessors ROM and RAM and circuit boards do not wear glov
54. E Hopping 11 Remove the Connection Cord Wire and TR 23 11 14 R CORE together 12 Remove two Photo Sensor 40930701TH DRAFT Vesion 87 88 40930701TH DRAFT Vesion 3 3 29 Guide Assy Cassette L 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove Frame Main See 3 3 12 7 3 Remove PLATE Base and FRAME Assy Hopping See 3 3 28 5 4 Unscrew two screw 1 and then remove Guid Assy Cassette L 5 Remove SPRING Sheet and then remove LINK Sheet O and pull block 6 Pay attention the direction of hook of SPRING Sheet 6 Remove spring and then remove cassette stopper 7 Remove screw 8 from LINK Sheet and then remove link support and Roller link 8 Remove Earth Plate L and Plate Earth link B 40930701TH DRAFT Vesion 89 3 3 30 Guide Assy Cassette R 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove Frame Main See 3 3 12 7 3 Remove PLATE Base and FRAME Assy Hopping See 3 3 28 5 4 Unscrew two screw 1 and then remove Guid Assy Cassette R 5 Remove SPRING Sheet and then remove LINK Sheet and pull block Pay attention the direction of hook of SPRING Sheet 9 6 Remove spring and then remove cassette stopper 7 Remove screw 8 from LINK Sheet and then remove link support and Roller link Q9 8 Unscrew two screws and remove the Sq
55. ER Separator 4PP4076 5035P001 TR Bearing 4PP4076 5039P001 TR Spring R N N 40299701 GUIDE ASS Discharge _ o O0 NID O GO N 40032901 Sensor In A Dv o 40033001 Spring In Sensor A m 3PP4076 5082P001 Write Sensor Lever o 4PP4076 5086G001 Toner Sensor Lever Adhesive 40583801 LEVER Assy Out sensor 40324001 SPRING Out Sensor 4PP4076 5047P001 EP Lock Shaft 4PA4076 5048G001 EP Rock Lever L Assy 40597001 Code Ass Front oO 1o 1o o o o o o o 40301601 ROLLER Regist _ 40301701 ROLLER Pressure DI O O O O O O O _ 40614401 Bearing Assy Registration 40301801 GEAR Regist 40301901 GEAR Pressure 40323901 ROLLER Feed C 4PP4076 3949P001 Bush 40316301 GEAR Roller C 40302401 GEAR Idle K 40298201 Motor Ass Main 40298301 MOTOR Main 40298801 PLATE Damper 40893501 GEAR Idle A 40893701 GEAR Idle B 40893801 GEAR Idle C 40302201 GEAR Idle D 40299301 GEAR Idle E 40299401 GEAR Idle F no G OD jjv jjv joj joj GOO LT WLW jojo j LW TOT oT wl wl wl aI O O O G E no O O O O O O O O O O O O O O O E E HR Gk k 3 GE Hk 40930701TH DRAFT Vesion 177 Parts No Table 8 2 Frame Main Unit 2 2 Nam
56. F 2 Unscrew 2 screws 1 and remove the cover side R 3 Unscrew 16 screws 3 and remove plate shield 4 Unscrew 3 screws 5 and 2 screws 6 unplug all the connectors 7 and remove Board FFF 63 40930701TH DRAFT Vesion 3 3 6 Stacker Assy Damper Arm Cover Rear 1 Remove the face up stacker assy See 3 3 1 2 Remove the cover side L See 3 3 2 1 3 Remove the OP panel assy See 3 3 4 4 Remove the Board FFF See 3 3 5 5 Loosen 2 screws unlock the both sides latches and remove the cover rear 6 Unscrew 2 screws 1 and cover frame 7 Unscrew 3 screws 3 and remove the plate assy side R 8 Remove the lever back up release and unlock the engagement of the projection on the right side of gear at the right side of stacker cover 9 Remove a screw 6 and washer and then remove the stacker assy 6 At this time the damper arm can also be detached simultaneously 40930701TH DRAFT Vesion 64 3 3 7 Sensor Stacker Full 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove the Stacker assy See 3 3 6 3 Remove four screws 1 Remove stacker mount 2 by releasing the tabs at position 2A 4 Remove Sensor stacker full amp by releasing speading the plastic tabs on each side of sensor Assy Q and lifting switch from cover 40930701TH DRAFT Vesion 65 3 3 8 Cable cover
57. FT Vesion 22 1 Image drum unit The image drum unit consists of a sensitive drum a charger and a developer The unitforms a toner image on the sensitive drum using a electrostatic latent image formed by the LED head 2 Hopping motor This motor is a pulse motor of 48 steps rotation that is two phase excited by the signal from the control board It drives the hopping roller of the first tray and the front feed roller via two one way clutches according to the direction of rotation 3 Motor Main This motor is a pulse motor of 72 steps rotation that is two phase excited by the signal from the control board and is the main motor of this mechanism 4 Clutch for Regist Swithes the transfer of power to Roller Regist if necessary depending on the power from Motor Main and instructions from the control PCB 5 Clutch for Feed Roller Swithes the transfer of power to Feed Roller if necessary depending on the power from Motor Main and instructions from the control PCB 6 LED head Image data for each dot line from the control board is received by the shift register and latch register The 4992 LEDs are driven to radiate the image data to the image drum 7 Fuser The fuser consists of a heater a heat roller a thermistor and a thermostat An AC voltage from the power supply board is applied to the heater under the control of the HEATON signal from the control board This AC voltage heats the heater The control board
58. H11020860r 8cL Category Daily status LCD status message ATTENTION O DUPLEX REMOVE INPUT JAM THE PAPER Trouble or status Informs that in feeding papers from tray n to the Duplex unit a jam occurs in the separator or Duplex unit by monitoring OUTSNS ON DUP INSNS ON Tray n Tray1 Tray2 Tray3 Front Multi Feeder Remove all of the paper in the printer Open the cover then close it to perform recovery printing and the error display is released ATTENTION O DUPLEX REMOVE FEED JAM1 THE PAPER Informs that in feeding papers form n tray to the Duplex unit a jam occurs in the separator or Duplex unit by monitoring DUP INSNS ON DUP INSNS OFF Remove all of the paper in the printer Open the cover then close it to perform recovery printing and the error display is released ATTENTION O DUPLEX REMOVE FEED JAM2 THE PAPER Informs that in feeding papers from n tray to the Duplex unit a jam occurs when a paper is reversed to the reverse roller of the Duplex unit by monitoring MOTOR Duplex ON DUP R SNS ON Remove all of the paper in the printer Open the cover then close it to perform recovery printing and the error display is released ATTENTION O DUPLEX REMOVE FEED JAM3 THE PAPER Informs that in feeding papers from n tray to the Duplex unit a jam occurs when a paper is impinge fed in the Dup
59. IMSA 9714N 14B Connector IMSA 9714N 14A 1 Remove the Motor See section 3 3 5 2 Unscrew two screws 1 to remove Connector IMSA 9714N 14B 2 and Plate Earth FR 3 Unscrew two screws 2 to remove the connector IMSA 9714N 14A 40930701TH DRAFT Vesion 204 3 3 7 Frange pulley pulley Idle Mini pitch belt Plate Earth shaft Gear double Tray switch assy 1 Remove the Motor See section 3 3 5 2 Remove the Connector See section 3 3 6 3 Unscrew two screws 1 to remove the motor bracket 2 At this time the Mini pitch belt 3 and Gear double 4 can be removed simultaneously 4 Disengage latchs to remove the Frange pulley and pulley Idle 5 Unscrew a screw 7 to remove the Plate Earth shaft 8 6 Unscrew a screw 9 to remove the Tray switch assy 0 40930701TH DRAFT Vesion 205 3 3 8 Roller feed 1 Remove the Motor See section 3 3 5 2 Remove the Connector See section 3 3 6 3 Remove the motor bracket See section 3 3 7 4 Disengage latchs to remove the Feeding bearing 1 5 Disengage latchs to remove the Pulley feed 2 At this time the Gear feed 3 and Bush can be removed simultaneously 6 Remove the Roller feed 5 40930701TH DRAFT Vesion 206 3 3 9 Bracket sub roller 1 Remove the Roller assy hopping and Roller assy feed See section 3 3 1 2 Remove the Roller feed See section 3 3 8 3 Unscrew a screw 1 to remove
60. Is the heat roller of the fusing unit dirty Yes Clean the heat roller No Is the contact of the cleaning roller of the image drum cartridge contacted with e contact assembly properly See Figure 6 5 No Adjust the contact of the cleaning roller to contact the contact assembly prop erly Yes Replace the image drum cartridge Has the trouble been removed YES END Note After replacing the image drum cartridge set the printer in the user maintenance mode by turning the power on while pressing the MENU key and reset the drum counter Refer to User s Manual No Replace the Main board or Power Supply Unit High Voltage O Black paper is output 4 4 k k Is the LED head connected properly Check connector HEAD1 14P HEAD2 12p on the Main board and PC connector on the LED head No Connectthe LED head properly or replace the head cable Yes Is the contact of the image drum cartridge contacted with the ground contact properly See Figure 6 5 No Check the ground contact of the image drum cartridge Yes Check the connectors HEAD1 14P and HEAD2 12P No Replace the LED head Yes Replace the connector Has the trouble been removed YES END Note After replacing the LED head set the printer in the engine mainte nance mode by turning the power on while pressing the FORM FEED do En keys Set the LED head drive time Refer to Section No Replace the Main board or Power Supp
61. Jepaa 4 llul ff N Se dn asey ii ope q J9 01 yola 19 01 gt 401009 A Budoje eq Duidoje eq woo Biases Ec jaded Z N 7 jedeg a Jejo1 ddns 4 Buey ane obeon serg Aiddns T 5 jddns Z JoMOd 1oefo i J8MOd ensodx3 Jaded 1 01 Jabieyo pesy qa Aiddns JOMOd umop 99284 erep eDeul 19 01 yale Jaded 25 40930701TH DRAFT Vesion UOIS A 14VHC H11020860r 96 9 2 eJnBi4 DMON N DRUM MOTOR HMON N HOPPING MOTOR PWM1 P CLUCH for hopping PWM2 P CLUCH for REGISTRATION PSIN1 N INLETSENSOR1 WRSENSE N PAPER SENSOR PSOUT N OUTLET SENSOR STB N LED HEAD PAPER OFF ON OFF ON ON OFF ON OFF OFF ON OFF ON OFF ON OFF ON ES NE PAPER TRAY PRINTER STACKER SIMPLEX PRINTING TIMING CHART UOIS9A 14VHC H11020860r c Z Z eun6ij DMON N DRUM MOTOR HMON N HOPPING MOTOR PWM1 P CLUCH for hopping PWM2 P CLUCH for REGISTRATION PSIN1 N INLETSENSOR1 WRSENSE N PAPER SENSOR PSOUT N OUTLET SENSOR STB N LED HEAD UNION MAIN MOTOR in DUPLEX CLON P CLUCH in DUPLEX UNIT SLON P SOLENOID in DUPLEX UNIT DUPINSNS N INLET SENSOR in DUPLEX UNIT DUPRSNS N REAR SENSOR inDUPLEX UNIT DUPFSNS N FRONT SENSOR in DUPLEX UNIT PAPER OFF ON OFF ON ON OFF ON OFF OFF ON OFF ON OFF ON OFF ON OFF
62. PLATE Bottom N o 40377801 FRAME ASS Hopping 19 ES 40597301 FRAME Hopping For Maintenance n ol 40322101 PLATE Hopping caulking D Oo 40317401 SHAFT Hopping O 0 O O O O O O M Y 40442501 ROLLER Guide N m 40371301 ROLLER Assy Hopping Po N co 40317601 GEAR Z38 wo NK3 16SUS Knock Pin O o ee 4PP3522 3568P001 ADF Bearing N wo N 40325401 GEAR Z58 C2 Co 40325301 GEAR Z42 w BR 40317901 Lever Paper end w al 40318001 Lever Paper near end 0 o0O 0o 0o o 0o 0o oOoO oO O GOO CQ GOO GOO GOO GO GOO Oo a GOO a au GOO GO GOO O O O O O GO O CD mba N O O O O 40930701TH DRAFT Vesion 180 Parts No Table 8 3 Base Unit 2 2 Name Q ty U Reccomended Q ty 50 100 1000 Remarks 4YB4120 1137P001 FX050 Photo Sensor o 12 40375202 Connection Code Wire 6 To Paper End 40375302 Connection Code Wire To Paper Near End 40337301 LEVER Sub roller caulking 2 0 0 0 40337601 ROLLER Link Sub 1 40433701 Bracket Sub roller Press fitting 1 40358101 Plate Planet 40317701 GEAR Planet z28 40367101 BRACKET Spring Sub 40928201 SPRING Sub Roller
63. PRIME BUSY SELECT 5us max 0 min ACKNOWLEDGE E Nibble Mode Conforms to IEEE 1284 spec E ECP Mode Conforms to IEEE 1284 spec 40930701TH DRAFT Vesion 188 Appendix B RS 232C SERIAL INTERFACE 1 Connector e Printer side 25 pin receptacle Type 17LE 13250 27 D4CC made by DDK or equivalent e Cable side 25 pin plug Type 17JE 23250 02 D8C made by DDK Note Plug shall be able to be fixed with a lock screw 2 Cable Cable length 6 ft 1 8m max Cable shall be shielded Note Cable is not provided 3 Interface signal Pin No Signal name Abbreviation Signal direction Functions 1 Frame Ground FG Frame ground 2 Transmitted Data TD lt PR Transmitted data 3 Received Data RD PR Received data 4 Request To Send RTS lt PR Stay space level 5 Not connected 6 Not connected 7 Signal Ground SG Signal ground 8 17 Not connected 18 5V lt PR 5V 50mA maxx 19 Not connected 20 Data Terminal Ready DTR lt PR Data terminal ready 21 25 Not connected Connector pin arrangement 13 1 OOOO OOOO OO OOO OOD O OOO OO 0 0 25 14 View from the cable side When the Reade Busy protocol is used for the buffer busy control method the busy signal can be set to Pin 20 DTR in the menu 4 Signal level MARK polarity 3V to 15V LOGIC 1 SPACE polarity 3V to 15V LOGIC 0 40930701TH DRAFT Vesion 189 5 Interface circui
64. Remove the mini pitch belt and the feed roller 40930701TH DRAFT Vesion 231 4 TROUBLESHOOTING 4 1 Precautions Prior to the Troubleshooting 1 Go through the basic checking items provided in the Operator Guide 2 Obtain detailed information concerning the problem from the user 3 Go through the checking in the conditions similar to that in which the problem occurred 4 2 Preparations for the Troubleshooting 1 Display on the operator panel The status of the problem is displayed on the LCD Liquid Crystal Display on the operator panel Go through the appropriate troubleshooting procedures according to the messages displayed on the LCD 4 3 Troubleshooting Method When a problem occurs go through the troubleshooting according to the following procedure Problem occurs Problem displayed by Troubleshooting Carry out detailed the LCD message according to the LCD troubleshooting Status Message List according to the see 4 3 1 Troubleshooting Flow see 4 3 2 40930701TH DRAFT Vesion 232 4 3 1 LCD Status Message List The listing of the statuses and problems displayed in the form of messages on the LCD is provided in Table 4 1 Classification Jam error LCD Status Message PAPER INPUT JAM CHECK FEEDER PAPER FEED JAM CHECK FEEDER Table 4 1 Description Notifies of occurrence of jam while the paper is bein
65. Yes Clean the lens No Is the LED head installed properly Check connector HEAD1 14P HEAD2 er of the Main board and PC connector on the LED head for proper connec No Install the LED head properly Yes Is the contact plate of the transfer roller contacted with the contact assembly of the Power Supply Unit High Voltage properly See Figure 6 6 No Make the contact plate of the transfer roller contact with the Power Supply Unit High Voltage and Shaft of the transfer roller properly Yes Are the contact of the developing roller and the contact of the toner supply roller of the image drum cartridge contacted with the contact assembly properly See Figure 6 5 and No Adjust the contacts of the developing and toner supply roller to contact the contact assembly properly Yes Replace the transfer roller See 3 3 36 Has the trouble been removed YES END No Replace the image drum cartridge Has the trouble been removed YES END Note After replacing the image drum cartridge set the printer in the user maintenance mode by turning the power on while pressing the MENU key and reset the drum counter Refer to User s Manual No Replace the Main board or Power Supply Unit High Voltage 40930701TH DRAFT Vesion 1557 O Dark background density k k k Has the image drum been exposed to external light Yes Mount the image drum in the printer and wait for about 30 minutes No
66. ad installed properly Check connector HEAD1 14p HEAD2 12p on the Main board and PC connector on the LED head e No Install the LED head properly Yes Replace the LED head Has the trouble been removed YES END Note After replacing the LED head set the printer in the engine mainte nance mode by turning the power on while pressing the FORM FEED and ENTER keys Set the LED head drive time Refer to Section 4 2 Yes Replace the image drum cartridge Has the trouble been removed YES END Note After replacing the image drum cartridge set the printer in the user maintenance mode by turning the power on while pressing the MENU key Reset the drum counter Refer to User s Manual No Replace the Main board or Power Supply Unit High Voltage 40930701TH DRAFT Vesion 161 Snowy print of high density pattern 4 4 k od Is toner low Yes Supply toner No Is paper of the specified grade used No Use paper of the specified grade Yes Is the lens of the LED head dirty Yes Clear the lens No Is the LED head installed properly e No Install the LED head properly Yes Increase the printer setting number 0 gt 1 Refer to User s manual Blockly faded print Is toner low Yes Supply toner No Is paper of the specified grade used No Use paper of the specified grade Yes Is the lens of the LED head dirty Yes Clear the lens No Is the LED h
67. age Q 5 gt 3 o 2m gn n O p zI o a Assy Cassette R ROLLER Assy PLATE Bottom FILM Insulation Figure 3 3 56 40930701TH DRAFT Vesion IS IMSA 9714N 14A Control board Board LEX am hy TIN Photo sensor LOS N fy IN 4 s S DU EC iin MA Photo sensor lt Figure 3 4 57 40930701TH DRAFT Vesion How to Change Parts 3 3 YUP Juud E D S S gt o E o e o e L o o o 10 0 N seee Assy piouw ajog E 0 amp u enesseo Assy lpno 1 puo Jesu aded peee 10SU9S 0 0Ud eee Jojoauuo H o ezee menesseg Assy eppno gz e e puejedeg iee c Xa rpieog 16 yun xejdng T zege un Addng amod gz 1e e110sueg lu cz g g 13197 Josuas Jadeg 2 pz 8 1e e 10sueS 1eu0 __ eze e J0suas InO ssV 19497 Buue g uL G ez yeys 100743 ree paay ssy JaJ0y z es meag YL 18 10 saysuery e cree 0 peejjepou glee p fg Assy epno 1_ zres UleW J0 0 Buiddoy Assy Y3TIOY S 13 pee4 Ss y3T1108 o S eree pe H q31 oz g g uonesedag Assy eurel4 61 E ap sseg aded ks 6 jedueq Lee isbeg ssy 1910 QL E 1001330 Jepee4 gee 1809 aJQe ee IP U 19409 8 gg Inj4eyoeis 10sueg uuy Jadweg Assy ayos
68. age drum and the developing roller making the electrostatic latent image visible 40930701TH DRAFT Vesion 34 6 Transfer The transfer roller is composed of conductive sponge material and is designed to make the image drum surface and the paper closely into contact Paper is placed over the image drum surface and a positive charge opposite in polarity to the toner is applied to the paper from its reverse side The application of a high positive voltage from the power supply to the transfer roller causes the positive charge induced to the transfer roller surface to be transferred to the paper at the contact between the transfer roller and the paper As a results toner charged negative that is attracted to the image drum surface is transferred to the upper side of the paper by the positive charge on the lower side of the paper Image drum Transfer roller Power supply 40930701TH DRAFT Vesion 35 7 Fusing After the end of the transfer the unfused toner image is fused on the paper under heat and pressure as it passes between the heater roller and the back up roller The heater roller with a Teflon coating incorporates a 750W heater Halogen lamp which heats the heat roller A thermistor which is in contact with the heater roller regulates the heater roller at a predetermined temperature about 180 200 C A safety thermostat cuts off voltage supply to the heater by opening the thermostat in the event of abn
69. aper NO Is the inlet sensor lever operating normally NO Replace the inlet sensor lever YYES Clean the inlet sensor 1 on the power supply unit High Voltage or replace the power supply unit High Voltage See Figure 2 3 Sensor Layout Diagram When the paper is fed in does the paper input jam occur YES Is the paper being fed to above the inlet sensor lever YES Isthe inlet sensor lever operating normally NO Replace the inlet sensor lever e YES Clean the inlet sensor 1 on the power supply unit High Voltage or replace the power supply unit High Voltage See Figure 2 3 Sensor Layout Diagram TNO Replace the feed roller roller A or roller B Are the feed roller roller A and roller B rotating YES Set the paper properly Is the belt torn YES Replace belt Is the pulse motor turning YES Replace planet gear Is the connector cable being connected properly eNO Connect the connector cable properly Check the coil resistance approx 320 of the stepping motor Is it normal NO Replace the stepping motor Replace the AOLE PCB 40930701TH DRAFT Vesion 234 5 CONNECTION DIAGRAM 5 1 Interconnection Diagram Pulse motor db 2 M T3 o 1 M T4 AOLE PCB OPTSCLK N_6 OPTSDR N_ 4 OPTPSIN N 7 To the Printer 5 2 PCB Layout AOLE PCB 40930701TH DRAFT Vesion 235 PARTS LIST
70. by following the Duplex Unit maintenance manual See appendix C Y YES END Y No Replace the Main board I F time out occurs between the printer and the operator panel ERROR 80 ls the connecting cord of the operator panel connected to the PANEL connector of the Main board properly See Chapter 7 1 No Connect the connecting cord of the operating panel to the PANEL connector of the Main board properly e Yes Is the connecting cord defective Yes Replace the connecting cord No Replace the operator panel assembly sthe printer recovered No Replace the Main board YES END 40930701TH DRAFT Vesion 150 Message cannot be received through the parallel interface ls the parallel I F ENABLE in HOST I F item of Menu 1 No Setthe Parallel I F to ENABLE e Yes Is the host set to the bidirectional communication Yes Set the parallel I F to the bidirectional communication enable state DISABLE ENABLE in menu level 2 No Setthe parallel I F to the bidirectional communication disable state ENABLE DISABLE in menu level 2 4 4 Is the printer recovered YES END gq No Is the connector of the parallel interface cable connected to the printer prop erly No Connectthe connector of the parallel interface cable to the printer properly eq Yes Is there any defect in the cable broken or bent pin broken wire Yes Replace the parallel
71. ch off O and removing the Multi Feeder from the printer 2 Do not disassemble the Multi Feeder if it is operating normally 3 Establish the extent of disassembly suitable for the purpose of the procedure and do not disassemble any more than necessary 4 Only specified service tools may be used 5 Disassembly must be carried out according to the prescribed procedures Parts may be damaged if such procedures are not followed 6 Small parts such as screws and collars can easily be lost therefore these parts should be temporarily fixed in the original location 7 When handling printed circuit boards do not use any glove which may generate static electricity 8 Do not place the printed circuit boards directly on the equipment or floor 40930701TH DRAFT Vesion 220 Service Tools Table 3 1 shows the tools required for the replacement of printed circuit boards and units in the field Table 3 1 Service Tools Service Tools Place of use Remarks No 1 100 Philips screwdriver 2 2 5 mm screws No 2 100 Philips screwdriver 3 5 mm screws No 3 100 screwdriver No 5 200 screwdriver Digital multimeter Pliers Handy cleaner Connector remover OKI P N 4PP4076 5395P1 40930701TH DRAFT Vesion 221 3 2 Parts Layout This section describes the layout of the main components Hopping cover Control board AOLE PCB Separator
72. connection cord Connection Code Wire No Replace the Duplex In sensor FX50 Photo Sensor e YES END Y No Connectthe connection cord properly Y No Replace the Duplex In sensor lever LEVER Sensor D IN and SPRING Sensor D IN Y No Is the connection cord between the Motor and the Board LEX Yes Replace the GEAR Assy YES END No Replace the Motor YES END e No Replace the Board LEX Y No Connectthe connection cord properly Y No Does the square shaped connector between the Duplex unit and printer unit has any trouble Is there a pin bend or other troubles Yes Is the connection cord between the Duplex unit and the printer unit connected properly See Chapter 7 1 and Appendix C Chapter 5 1 Yes Does the connection cord have a break Yes Replace the connection cord Core Assy DUPLEX Y No Isthe connection between the solenoid and the Board LEX connected properly Yes Replace the SOLENOID Assy YES END No Replace the Board LEX Y No Connectthe connection cord properly Y No Connectthe connection cord properly Y No Replace the square shaped connector Connector IMSA 9714N 14A 40930701TH DRAFT Vesion 144 5 6 Duplex FEED JAM1 Is there a paper on the Duplex In sensor lever No Isthe Duplex In sensor operating normally Yes Is the connection cord between the Duplex In sensor and the Board LEX connected properly Yes Does the connection c
73. ctive e Yes Replace the connecting cord Y No Replace the operator panel assembly 4 Is the printer recovered e No Replace the Main board od YES END Y Yes Is INITIALIZING message shown in the LCD display No Replace the Main board Y ONLINE XXX YE a XXXX XXXX message shown in the LCD display No Take the proper action following the message shown in the LCD display For details see the Chapter 6 5 1 LCD STATUS message trouble list v YES END 40930701TH DRAFT Vesion 135 1000000000000 zo o000000000000 O cECSH 6 o00000000000000000 9E o LLeooooooocoooocoooogl 1N39 136 STKFULL Ee 9 ca ER LH si 5 2 2o E 2o o 000000000000000000 71 00000000000000000072 000000000000000000 7l 00000000000000000072 2 900000000000000000 2 900000000000000000 2 000000000000000000 lp 1 Bleccccccccccccccce y lb Elooooooooooooooooo g lp t Eeoocooooooooooooo g HANISH HAWIS ZWINIS OOOO eococococococoooooooo Do 00 00900909999999999 00 0990999999999999999 0000099909999999999999 po 099909999999999999 99 009909909999 999999999 Do 099090999999 99999 99 Do 099090 999999999 9999 IW EE 0000000000000000000000000000000 SIGN 6191 THNVd speed
74. cuit boards directly on the equipment or floor 40930701TH DRAFT Vesion 195 Service Tools Table 3 1 shows the tools required for the replacement of printed circuit boards and units in the field Table 3 1 Service Tools Service Tools Place of use Remarks No 1 100 Philips screwdriver 2 2 5 mm screws No 2 100 Philips screwdriver 3 5 mm screws No 3 100 screwdriver No 5 200 screwdriver Digital multimeter Pliers Handy cleaner Connector remover OKI P N 4PP4076 5395P1 40930701TH DRAFT Vesion 196 3 2 Parts Layout This section describes the layout of the main components Frame side R assy a assy feed _ _ 4 3 Roller assy hopping AS S Bi poo i Za S UPS a Frame deu j 8 Cover front assy 40930701TH DRAFT Vesion 197 3 3 Parts Replacement Methods This section describes the parts replacement methods for the components listed in the disassembly order diagram below High Capacity Second ThirdPaper Feeder Roller assy hopping Roller assy feed 3 3 1 Cover front assy 3 3 2 r Board BBB 3 3 3 Lever paper end Lever paper near end 3 3 4 Motor 3 3 5 Connector IMSA 9714N 14B Connector IMSA 9714N 14A 3 3 6 r Frange Pulley Pulley Idle Mini Pitch belt Plate Earth shaft Gear double Tray switch ass
75. direction the motion will be same as 2 until Roller K begin to rotate The planetary gear M will shift in the direction of arrow L by way ofthe gear O which begin to rotate at the same time when the roller K does And gear N rotates resulting in rotating the gear J and roller K on the same shaft and impingeing papers to the regist roller within the printer At this time as the gear O and gear P engaged by the planetary gear G on the same shaft on which the gear J and roller K are placed includes an one way clutch gear the planetary gear G won t rotate Impinged papers are afterwards fed by the control of printer s inside 40930701TH DRAFT Vesion 192 Paper Gear O Engaging to gear P or planetary gear G Gear J for timing belt Roller K ET Roller C aN Hopping roller gear aN U pping g Planetary gear D Sub roller Sub roller gear Planetary gear G 2nd paper feeder MZ i Idle gear NN Paper Gear N for timing belt Hopping motor da Gear J Roller C EZ Roller K E Hopping roller gear C mi rC E A F Planetary gear D Sub roller Planetary gear M Sub roller gear Planetary 3rd paper feeder gear G j e EE a gt o E Q 3 9g S S 40930701TH DRAFT Vesion 193 2 2 Hopper Mechanism The hopper is a motion where papers are automatically sent into the printer one by one When papers are setto the cassette the feeding motion is
76. e Q ty U Reccomended Q ty Remarks 40299501 GEAR Idle G 40299601 GEAR Idle H 40302301 GEAR Idle J 40313501 BEARING Plastic Feed 4PP4076 5308P001 Bearing 40371501 GEAR Assy Clutch Z50 40432301 PLATE FG 1st D ID D D OJ O 40313201 ROLLER Ass Feed M 40371601 GEAR Assy Clutch 240 4PP4076 5044P001 EP Rock Lever R 4PP4076 5045P001 EP Lock Spring 40301001 ROLLER ASS BK 40316101 GEAR Idle EA O O O O O 40316201 GEAR Idle EB N 40302501 LEVER Back up release G O WT WT WT Wl wl O O GO OQ OQ OQ G gt o 40929101 HEAT Assy A4 120V o pe o 40929102 HEAT Assy A4 230V A o NN o 40306401 LAMP Halogen 750W 120V o 40306402 LAMP Halogen 750W 230V 40307401 GUIDE Assy Eject dk dk fate 4PP4076 5191G001 Damper Arm Caulking 40587001 Stacker Assy For Maintenance 4PP4128 1164P001 HEAD Spring 40365401 SENSOR Stack Full 40409201 Film Guide 40409301 Film FG 2PP4128 1096P001 Cable Cover 40450501 HEAD Cable Assy 4PP4076 5009P001 Washer 3PB4076 5290P001 DC Fan Motor 92 40307201 PLATE FG F 40443301 Feeder Unit FRONT G OD los GOD asl GO joj O1 0 a jj jaja 40547201 LED HEAD E
77. e FF Cam which attached on end of the Front Hopping Shaft is normally located Upper position 0 to 30 degree home position Rotating the Hopping Motor in direction b CCW drives the Front Hopping Shaft and then attached the FF Cam and the Front Hopping Roller are driven During the FF Cam rotated approx 60 degree the Release Lever was pushed and the Front Feeder Plate lifts up then the Front Hopping Roller picks up a sheet of paper Atthe FF Cam rotated approx 180 degree the Front Feeder Plate is pushed down and locked by the Release Lever again At the FF Cam rotated approx 275 degree the paper fed until the Inlet Sensor turns off Aligning After turning on the Inlet Sensor the paper fed by a predetermined length and choked up to the wedge space formed by the Regist Roller and the Pressure Roller so that to align the skew of paper During the paper fed from the Front Feeder Plate the one way clutch of 1st Hopping Roller is idled and not to drive the 1st Hopping Roller and the Sub Roller Feeding After aligned the paper the Hopping Motor turned off and stop hopping Then Clutch Regist turned on and the Regist Roller start to feed the paper After the paper fed the Front Hopping Roller drives the Front Hopping Shaft and attached the FF Cam with small idle torque of build in one way clutch and when comes into the Release Lever the one way clutchis slipped and the FF Cam is stopped at the upper position home position The Fro
78. e mode cc 107 4 1 4 EEPROM initialization sissisodan iaae 111 4 2 Adjustment When Replacing A Part enne 112 4 2 1 Resetting the fuser counter U U U u uuu 113 4 2 2 Destination Setting vrai 114 4 2 3 Setting of LED head drive time 115 115 5 PERIODIC MAINTENANCE J 118 5 1 Periodic Replacing Part ssssssssssssssseseese eene 118 5 2 uidi ne netten a na Pro aa Eia qaqa eles 118 5 2 1 Cleaning of LED lens aray sieniin ie nennen 118 5 2 2 Cleaning the Plastic Film sssssssee eene eene 119 6 TROUBLESHOOTING PROCEDURES 120 6 1 Troubleshooting TOS eite erue s tab epe te nrbe epa EE tee sta 120 6 2 Points to Check before Correcting Image Problems 120 6 3 Tips for Correcting Image Problems ssssssssssseeseenerenneeen nnne 120 6 4 Preparation for Troubleshooting a 121 65 Troubleshooting Flo Wicca ios alii Dee indes D rds Ee du dh 121 6 5 1 LCD status message trouble list 121 6 5 2 LCD message troubleshooting sssssseeeenn 133 6 5 3 Image troubleshooting eee eee eet scs 154 7 WIRING DIAGRAM
79. ead No Install the LED head properly Y Yes Replace the LED head or the head cable Y Has the trouble been removed Y YES END Note After replacing the LED head set the printer in the engine mainte nance mode by turning the power on while pressing the FORM FEED and ENTER keys Set the LED head drive time Refer to Section 4 2 Y No Replace the Main board or Power Supply Unit High Voltage 40930701TH DRAFT Vesion 159 Poor fusing 4 4 4 od Is paper of the specified grade used No Use paper of the specified grade Yes Is the spring of the back up roller normal No Replace the spring Yes Is the contact of the fusing unit assy contacted with the contact assy properly No Adjust the contact of the fusing unit assy to contact the contact assembly properly Yes Replace the fusing unit assy Has the trouble been removed YES END No Replace the Main board or Power Supply Unit High Voltage 40930701TH DRAFT Vesion 160 White belts or streaks in the vertical direction 4 4 k 4 Are the LED lens dirty e Yes Clean the LED lens No Is the contact plate of the transfer roller contacted with the Power Supply Unit High Voltage properly See Figure 6 6 No Make the contact plate contact with the Power Supply Unit High Voltage properly Yes Replace the transfer roller See 3 3 36 Has the trouble been removed YES END No Is the LED he
80. ead installed properly No Install the LED head properly Yes Decrease the printer setting number 0 1 Refer to User s manual 40930701TH DRAFT Vesion 162 i gt 7 3 N N f S d ii lt N Z YY y S S Wf Jo S D gt Jo S lt s E SS q KS Y 40930701TH DRAFT Vesion 163 Figure 6 6 164 40930701TH DRAFT Vesion WIRING DIAGRAM 7 yun xajdng oi Interconnect Signal Diagram 7 1 d9c QV3H 031 Jou co rto o r oo oy eu e to o r co o E HL IHL as 80 89 9d HO NVA LINN Y3SN4 ASE p OV I OV uL ZNO 9NO 9V L10A HDIH N AIdNS H3MOd Zw Ic Pa g HI NO eNO LN ov AOEZ AOZLOW LINN AT NS H3MOd d92 ND NOEZ 0Z1 OW Qxd quvog d9 LENO TINA YIAANLS Yds SNSNI 6 VIVI XT SNSINO QNS QNO AS aN9 aN9 A8 iH Or NONV3 oC BBB kopo 1 33 6 NOLIV3H 9 HZls 03215 IG SE 3ZiS 3219 9 jon o2 mo de X314M0 d9 d3MOd d9 3218 e
81. ectional communications from the host to the printer Nibble mode This mode transmits 4 bit wide data from the printer to the host In this mode each 1 byte data is transferred in the form of two nibbles using ERROR BUSY FAULT and SELECT signal leads This mode can provide the bidirectional operation in combination with the compatibility mode ECP mode This mode provides the asynchronous bidirectional interface and transmits and receives 1 byte data using eight data signal leads under the semi duplex control by the host When the power is turned on the compatibility mode is automatically selected The change to another mode from the compatibility mode is made through negotiation When the BI DIRECTION is set to ENABLE in the menu this change can be performed For the electrical physical characteristics of this interface see APPENDIX B b RS232C serial interface The following protocol is supported for the serial interface conforming to EIA RS232C READY BUSY DTR HI or DTR LO X ON X OFF RBST X ON For the electrical physical characteristics of the interface see APPENDIX B c OKI HSP interface Option This interface slot is an OKI unique universal interface that provides the platform to connect various of boards including those supplied by third venders such as the LAN connection expansion board and SCSI expansion board Any expansion boards compatible with this interface can be mounted on the Control b
82. en thermistor contacts About 220 kQ at room temperature 25 C See Chapter 7 3 for the measuring points Yes Replace the fuser unit Y A No Is a cable of the thermistor connected to CN8 connector on the Power Supply Unit High Voltage Is there any flaw on the cable of the thermistor e No _ Adjust the thermistor contact so as to touch the contact assembly properly Y Yes Does appear the heat on signal at pin 6 HEAT ON signal 0 V in heater on state of the POWER connector on the Main board No Replace the Main board Y ves Replace the Power Supply Unit High Voltage Y No Does a fuser unit error occur after more than 120 seconds from the power on No Goto Y ves Turn the power OFF ON Y Is the heater of the fuser unit turned on When the heater is turned on heat is radiated e Yes Isa cable of the thermistor connected to CN8 connector on the Power Supply Unit High Voltage e No Isacable of the heater connected to CN2 connector on Power Supply Unit 120V or 230V To on the next page Y To on the next page 40930701TH DRAFT Vesion 148 From on the preceding page I 4 No 4 No 4 T From on the preceding page B Yes Replace the fuser unit Is the printer recovered No Replace the Main board YES END Is the heater or thermistor open Measure the resistance between the thermistor contacts and between heater contacts normal resistance 220 kQ 25 C between pin
83. es that are likely to generate static electricity 8 Do not place printed circuit boards directly on the equipment or floor 40930701TH DRAFT Vesion 52 Service Tools Table 3 1 shows the tools required for field replacement of printed circuit boards and units Table 3 1 Service Tools Service Tools Place of use Remarks No 1 100 Philips screwdriver 2 2 5 mm screws No 2 200 Philips screwdriver Magnetized 3 5 mm screws No 3 100 screwdriver No 5 200 screwdriver Digital multimeter Pliers Handy cleaner LED Head cleaner P N 4PB4083 2248P1 Cleans LED head Connector remover P N 4PP4076 5395P1 Disconnect connector Holder TR Eject P N 40596701 For removing ROLLER Transfer 40930701TH DRAFT Vesion 53 Parts Layout 3 2 Cover Side 1 F Plate Shield Cover Frame Main Control Board amp Board FFF R Cover Side ROLLER Transfer Face up stacker Assy Cover Rear Assy L Cover Side CASE Assy Cassett Base Unit Figure 3 1 54 40930701TH DRAFT Vesion Feed Unit FRONT Toner Cartridge Type 7 ROLLER Assy Feed Y p GUIDE Assy Eject LED HEAD DC Fan Motor Figure 3 2 40930701TH DRAFT Vesion 55 FRAME Assy Hopping Power Supply Unit High Volt
84. ft on which the hopping gear is placed At the same time the planetary gear D shifts in the direction of arrow E and a sub roller gear and a sub roller on the same shaft rotate Roller C and sub roller make a paper hop Also the planetary gear G shifts in the direction of arrow H and Roller K rotates and when the length of sheet is legal 13 inch or more a hopping paper will be impinged to the regist roller within the printer When the length of paper is A4 or less hopping papers will be carried until the defined amount 2 When the length of paper is A4 or less the hopping roller rotates in the direction of arrow B next At this time the planetary gear G shifts in the direction of arrow to rotate Roller K and impinge the papers which are carried to the defined amount to the regist roller within the printer During the hopping roller is rotating Roller C is racing because it includes one way bearing Atthe same time planetary gear D shifts in the direction of arrow F and the sub roller gear and another sub roller on the same shaft won t rotate 3 Inthe third paper feeder when the length of paper is legal 13 inch or more and if the rotating direction is arrow A papers will be carried to the defined amount without being impinged to the regist roller and then the rotating direction of the hopping roller will be changed to arrow B Whenthe rotating direction of the hopping roller A arrow direction the motion is same as 1 When B arrow
85. g fed from the Multi Feeder Recovery method Check the paper in the Multi Feeder Carry out the recovery printing by opening the cover removing jammed paper and closing the cover and then turning the error display off When the problem occurs frequently to through the Troubleshooting Paper size error ERROR PAPER SIZE CHECK FEEDER Notifies of incorrect size pa per feeding from the Multi Feeder Check the paper in the Multi Feeder Also check to see if there was a feed ing of multiple sheets Carry out the recovery printing by opening the cover removing paper and closing the cover and then turn ing the error display off Tray paper out PAPER OUT mmmmmmmm FEEDER mmmmmmmm Paper size in the tray being selected Notifies of no paper state of the Multi Feeder Load the paper in the Multi Feeder Interface Timeout ERROR 81 Notifies of occurrence of interface timeout between the printer and the Multi Feeder Verify connection of AOLE PCB and square shaped connector Replace the square shaped connec tor if necessary Replace AOLE PCB 40930701TH DRAFT Vesion 233 4 3 2 Troubleshooting Flow JAM error Paper Input Jam YNO NO NO NO NO 4 YES Yves s Does paper jam at the inlet when the power is turned on YES Is the paper located above the inlet sensor lever YES Remove the p
86. gh level pulse of LOAD The latched printing data turns the LEDs on by STRB1 N through STRB4 N and actuates printing 40930701TH DRAFT Vesion 46 2 4 Paper Jam Detection The paper jam detection function supervises the paper state at power on time and during printing In the event that the following state occurs this function interrupts the printing process If any of the following errors is presented recovery printing will be performed by removing the jammed paper namely by opening the upper cover removing the jammed paper and closing the upper cover Error Cause of error Paper input jam At power on time the paper is placed at the inlet sensor After hopping operation is attempted three times the leading part of the paper does not reach the inlet sensor Paper feed jam At power on time the paper is placed at the paper sensor The leading part of the paper does not reach the paper sensor within a predetermined distance after the paper has reached the inlet sensor The traiding part of the paper does not pass over the paper sensor within a predeter mined distance after the leading edge of the paper has passed over the paper sensor The leading part of paper does not reach the outlet sensor within a predetermined distance after the paper has reached the paper sensor Paper exit jam At power on time the paper is placed on the outlet sensor The paper does not pass over the outlet sensor within a prede
87. he plate FG F 6 Remove the TR gear O and roller transfer Use Holder TR Eject 46 for the removal 7 Unscrew 7 screws 4 and remove the main frame 8 Unlock latches at two points of the lever back up release and pull out it in right direction 9 Unhook the EP lock spring 7 and remove the EP lock lever 6 10 Take off the E ring and remove the plate FG 1st 40 and gear assy clutch 11 Unlock 2 latches to remove the motor assy main and idle gear 12 Unscrew 2 screws 44 and remove the motor main D 40930701TH DRAFT Vesion 70 40930701TH DRAFT V esion 3 3 13 Guide Assy Eject 1 Remove the lever back up release See 3 3 12 8 But the roller transfer feeder unit front plate FG have not be removed 2 Loosen 2 screws Q unlock the both side s latches and remove the cover rear See 3 3 6 5 3 Unlock the latches on both sides of the guide assy eject and lifting it out 40930701TH DRAFT Vesion 72 3 3 14 Heat Assy Note Remove the cover assy side L See 3 3 2 1 Unplug the connectors D Unscrew 4 screws 3 and remove the heat assy in the direction of the arrow by lifting the right side first Asthe heatassy becomes high temperature soon after the power is turned off start the work after it cools off sufficiently Carry out a reset of the counter after the replacement See Section 4 2 po dd NNN
88. he stacker Repair the broker stacker sensor cable Repeat the insertion and removal of the connector Clean or replace the stacker full sensor ATTENTION O PAPER OUT mmmmmmmmmm tttttt Indicates that no paper or paper cassette in a tray Load a paper or paper cassette to the tray ATTENTION e tttttt INSTALL IIndicates that in an attempt to use the third tray the first or second tray which is the medium of the path is pulled out Indicates that in an attempt to use the second tray the first tray which is the medium of the path is pulled out Provisions The first and second tray should be returned Install the displayed tray ATTENTION O mmmmmmmmm tttttt PAPER REQUEST Requests that a sheet indicated in the first line message is inserted Load the requested paper in tray O ATTENTION ERROR POSTSCRIPT Indicates that the interpreter detects an error due to the following reasons From this point on the receiving data is flushed until the completion of a job It is automatically canceled when job receiving is completed Warnig Check the print job format ATTENTION ERROR MEMORY OVERFLOW Indicates that the capacity of memory is Overflowed due to the following reasons The operation is continued by pressing Recover switch Additional RAM should be installed or the amount of data be reduced Too large printing
89. id light printing 40930701TH DRAFT Vesion 118 5 2 2 Cleaning the Plastic Film 1 Open the stacker assy and remove I D unit 2 After cleaning LED head wipe off the paper powder by LED LENS CLEANER and remove the paper powder Plastic Film 3 Take the remove paper powder out of the printer unit in such a way as notto spill it and then waste it PE mmu 40930701TH DRAFT Vesion 119 6 TROUBLESHOOTING PROCEDURES 6 1 Troubleshooting Tips 1 Check the basic check points covered in the user s manual 2 Gather as much information on the problem from the customer as possible 3 Perform inspections in conditions close to those in which the problem had occurred 6 2 Points to Check before Correcting Image Problems 1 Is the printer being run in proper ambient conditions 2 Have the supplies toner and the routine replacement part image drum cartridge been replaced properly 3 Is the paper normal See paper specifications section 4 Has the image drum cartridge been loaded properly 6 3 Tips for Correcting Image Problems 1 Do not touch or bring foreign matter into contact with the surface of the image drum 2 Do not expose the image drum to direct sunlight 3 Keep hands off the fuser unit as it is heated during operation 4 Do not expose the image drum to light for longer than 5 minutes at room temperature 40930701TH DRAFT Vesion 120 6 4 Preparation fo
90. ill reverse and the roller 1 rotates in the derection of arrow B and sending out the paper into the Duplex After that it passes though the roller 2 and 3 and is fed again into the unit given another sided printing and ejected Roller 3 Front Roller 2 Rear Roller 1 Sensor Sensor In retracting paper In sending out paper 40930701TH DRAFT Vesion 38 2 3 4 Revision of LED Head Illumination An LED correcting head which is capable of correcting the illumination of the LED for each dot is being usedin this printer LED illumination correction function of 16 steps is carried outby using an EEPROM which is installed in the LSI that maintains the LED illumination correction values and an LED correction drivers together as a pair The LED correcting head consists of the correction control LSI LED drivers and an LED array The block diagram of the LED correcting head is shown below 1 Both sides wire bonding head f STRB4 N STRB3 N From LOAD CPU CLOCK STRB2 N STRB1 N DATA 1 DATA 0 In OKIPAGE 20 OKIPAGE 20n the correction control of LED head is excuted direction by CPU Correction Control LSI EEPROM LED Driver LED Driver LED Array ceo Le teo Len teo Le LED Driver LED D
91. ination of the pressure roller exceeds 0 1 mm fine adjust it by pressing with fingers as shown in the left figure with the pressure spring roller installed 40930701TH DRAFT Vesion 224 3 3 2 AOLE PCB 1 Remove the upper cover see 3 1 1 1 to 3 2 Remove two screws 1 and remove the AOLE PCB 2 83 Remove the connector 3 4 Remove the connector 4 Caution Be careful to set the sensor plate properly when mounting AOLE PCB Sensor plate 40930701TH DRAFT Vesion 225 3 3 3 Square shaped connector 1 Remove the upper cover and remove the cover frame 5 see 3 3 1 1 to 4 2 Remove the AOLE PCB see 3 3 2 3 Remove the screw 1 and remove the square shaped connector 2 4 Using the connector remover remove the nylon cord 3 from the square shaped connector Q J EN Confirmation after assembly 1 The square connector 2 should be horizontal to the cover frame 5 Sv 40930701TH DRAFT Vesion 226 3 3 4 Hopping Motor 1 Remove the upper cover see 3 3 1 1 to 3 2 Remove the AOLE PCB see 3 3 2 3 Remove two screws 1 then remove the hopping motor 2 40930701TH DRAFT Vesion 227 3 3 5 Planet gear 1 Remove the upper cover see 3 3 1 1 to 3 2 Remove the AOLE PCB see 3 3 2 3 Remove two screws 1 then remove the motor bracket assy 2 and the planet gear 3 40930701TH DRAFT Ve
92. ing error overrun error and so on is detected The protocol of host and printer should be rechecked Press the RECOVER key on the operator panel to release the error display Check the settings of RS232C I F in the menu Replace the interface cable or the Main board Board FFF Note When replacing the Main board install the EEPROM mounted in the replaced Main board ATTENTION O FRONT TRAY ERROR PRESS RECOVERKEY Informs that an error occurs in the home position of front tray Although the front tray becomes unavailable by pressing Recover switch the other trays continue operating normally Check front tray home sensor ATTENTION O TONER EMPTY REPLACE TNR CART Promotes by indication that a cartridge should be replaced after a 100 sheet printing since the detection of toner low It is temporarily reset by opening and closing the cover This indication will be displayed each 20 sheet printing unless the cartridge is replaced Replace the toner cartridge ATTENTION O ERROR PAPER SIZE CHECK tttttt Paper of improper size was fed from the tray tttttt MANUAL TRAY1 TRAY2 FRONT FEEDER Check the paper in the tray or check to see if more than one sheet of copy were fed simultaneously Open the cover then close it to perform recovery printing and the error display is released If this error occurs frequently see chapter 6 5 2 uoIS9A 14VYHC
93. ion by switch Normal operation O ATTENTION O DRUM CLEANING MANUAL mmmmmm REQUEST Indicates that the printer is under cleaning printing process The second line will become MANUAL LETTER REQUEST or MANUAL A4 SIZE REQUEST Set requested paper to front tray and press FORM FEED button READY e ATTENTION e PRINT DEMO PAGE Prints the demo page Ready light on execution by command Ready flash execution by switch Normal operation READY e ATTENTION PRINT MENU Prints current menu setting Ready Light on execution by command Ready Flash execution by switch Normal operation O ATTENTION mmmmmmmmm MANUAL YYYYYYYY REQUEST Requests that a sheet indicated in the second line message is inserted by hans YYYYYYYY sheet type PAPER ENVELOPE Set requested paper to front tray and press FORM FEED button O ATTENTION PRESS FORM FEED TO EJECT Promotes an forced exit by FORM FEED switch when the time set in WAIT TIME OUT of AUTO OPERATION in the level 2 menu has been passed since no data received Press FORM FEED button uoIS9A 14VYHC H11020860r 9cL Category Daily status LCD status message ATTENTION O STACKER FULL REMOVE THE PAPER Trouble or status Indicates that the face down stacker is full with sheets Remove the paper from t
94. leshooting if abnormal images have been printed out are explained below Figure 6 3 below shows typical abnormal images Trouble Flowchart number Images are light or blurred as a whole Figure 6 4 Dark background density Figure 6 4 Blank paper is output Figure 6 4 Black belts stripes in the vertical direction Figure 6 4 Cyclical defect Figure 6 4 Print voids Poor fusing images are blurred or peeled off when touched by hands White belts streaks in the vertical direction Figure 6 4 E e G Al e G Snowy print of high density pattern Figure 6 4 Blockly faded print Figrue 6 4 Q AB Light or blurred Dark background Blank paper images as a whole density UM Y WWII E Cyclical defect White belts or E Snowy print of streaks in the highdensity pattern vertical direction Figure 6 4 Abnormal images e D Black stripes in the vertical direction D Blockly faded print 40930701TH DRAFT Vesion 154 Image are light or blurred a whole k oq k k k 4 k oq k od Is toner low Is the TONER LOW message displayed Yes Supply toner No Is paper of the specified grade used No Use paper of the specified grade Yes _ Is the lens surface of the LED head dirty
95. lex unit by monitoring DUP R SNS ON DUP F SNS ON Remove all of the paper in the printer Open the cover then close it to perform recovery printing and the error display is released ATTENTION O DUPLEX REMOVE OPEN JAM THE PAPER Jam which occurs in feeding papers to the Duplex when the first tray cassette is pull out in paper remaining state Structurally No first tray cassette will cause no reverse root for papers and open the Duplex cover downwards Remove all of the paper in the printer Open the cover then close it to perform recovery printing and the error display is released ATTENTION O PAPER INPUT JAM CHECK tttttt Informs that a jam occurs during paper running after exiting from the tray Check the paper in the cassette Open the cover then Close it to perform recovery printing and the error display is released If the error ocuurs frequently see chapter 6 5 2 uoIS9A 14VYHC H11020860r 1661 Category Daily status LCD status message ATTENTION O PAPER FEED JAM CHECK tttttt Trouble or status Informs that a jam occurs during paper running after exiting from the tray Open the cover remove the paper then close the cover When the cover is closed recovery printing is performed and the error display is released If the error occurs frequently see chapter 6 5 2 ATTENTION O PAPER EXIT JAM REMOVE THE PAPER
96. ly od No Replace the Duplex Front sensor lever LEVER Sensor F R and SPRING Sensor F R 40930701TH DRAFT Vesion 146 a Paper size error ls paper of the specified size used No Use paper of the specified size Yes Do the inlet sensor lever and paper width sensor lever operate smoothly No Replace the inlet sensor lever or paper width sensor lever Y Is the printer recovered No Clean the inlet sensor 1 or paper width sensor on the Power Supply Unit High Voltage See Figure 2 3 Sensor Layout Diagram Is the printer recovered No Replace the Power Supply Unit High Voltage YES END Y YES END Y YES Does the outlet sensor lever operate smoothly No Replace the outlet sensor lever k Is the printer recovered No Clean the outlet sensor on the Power Supply Unit AC120V or 230V See Figure 2 3 Sensor Layout Diagram v x Is the printer recovered No Replace the Power Supply Unit AC120V or 230V Y YES END YES END Yes Clean the inlet sensor 1 inlet sensor 2 and outlet sensor See Figure 2 3 Sensor Layout Diagram Is the printer recovered No Replace the Power Supply Unit High Voltage YES END 40930701TH DRAFT Vesion 147 Fuser unit error ERROR 71 ERROR 72 ERROR 73 Turn the power OFF ON Y Does a fuser unit error occur immediately e Yes Is the thermistor open or shorted Measure the resistance betwe
97. ly Unit High Voltage 40930701TH DRAFT Vesion 156 D Black belts or stripes in the vertical direction Replace the image drum cartridge Hasthe trouble been removed YES END Note X After replacing the image drum cartridge set the printer in the user maintenance mode by turning the power on while pressing the MENU key and reset the drum counter Refer to User s Manual 4 No Replace the LED head Y Has the trouble been removed YES END Note After replacing the LED head set the printer in the engine mainte nance mode by burning the power on while pressing the FORM FEED and ENTER keys Set the LED head drive time Refer to Section 4 2 T No Replace the Main board or Power Supply Unit High Voltage 40930701TH DRAFT Vesion 157 Cyclic error Frequency Remedy Image drum 3 71 94 2 mm Replace or clean the image drum cartridge Developing roller 2 05 52 1 mm Replace the image drum cartridge Toner supply roller 3 24 82 24 mm Replace the image drum cartridge Charging roller 1 37 34 7 mm Replace the image drum cartridge Cleaning roller 147 29 8 mm Replace the image drum cartridge Transfer roller 2 28 58 mm Replace the transfer roller Heat roller 3 46 88 mm Replace the fusing unit assy Back up roller Notes 3 46 88 mm Replace the back up roller 1 Af
98. n Bore ERR exei bere x dl 75 3917 Roller ASSy Feediuu ie e ee ete tnter Ere ee o E inde 76 3 9 18 LEDO rti A deed rase ned eda 77 3 3 19 Paper cassette ROLLER Ass Feed ROLLER Assy Hoppibg 78 3 3 20 Frame Assy Separation 79 3 3 21 Transfer Roller TR Gear TR Bearing 80 9 9 22 EP lock Shiafbus ace NU Pee 81 3 3 23 LEVER Assy Out Sensor sss eene 82 3 9 24 Toner Sensor leVer iiie c icis ener tesa deer ie 83 3 3 25 Paper sensor lever T a 84 3 3 26 Inlet sensor lever uuu u i nasua nnne 85 40930701TH DRAFT Vesion 3 3 3 28 Lever Paper end Lever Paper near end 87 3 3 29 Guide Assy Cass etter L uuu onte rete decet i ee Bev eei nies 89 3 3 80 Guide Assy Cassette R axsa anean eai aaan aaien 90 3 3 31 Removing Installing Duplex Unit 92 3 3 92 BOard LEX iiid tcs ac pei tada 94 3 3 33 Connector IMSA 9714N 14A eene 95 3 9 94 Photo Senso t Er E QUON ceed 96 339 35 SOLENOID ASS it oett das d ket eats eee tage eR EL ena 97 39090 Moll cisco rettet ioc ente e 2552 uas 98 4 ADJUSTMENT rr 99 4 1 Maintenance Modes And Funcotions cnn nnnnnn cnn nr cnn nenne 99 4 1 1 User maintenance mode U U uuu 101 4 1 2 System maintenance MOde uuu uyu nu aa aaia 105 4 1 8 Engine maintenanc
99. nch 3 and remove four ROLLER Pinch and eight SPRING Pinch u 4 Release the lock to remove two BRACKET Pinch 6 and two SPRING Pinch R 9 5 Release the lock to remove LEVER Sensor D IN 40 and SPRING Sensor 49 6 Unplug the Connection Code Wire 42 and remove Photo Sensor 3 Eo yey SIM Mh Note lt should not become a state such as of dotted line from the results of installation 40930701TH DRAFT Vesion 96 3 3 35 SOLENOID Assy 1 Remove the Frame Main DUP See section 3 3 2 2 Release the lock to remove Two LEVER Sensor F R and two SPRING Sensor F R 3 Unplug the Connection Code Wire 3 and remove Photo Sensor 4 4 Take away the SPRING SL and two screws to remove SOLENOID Assy 7 40930701TH DRAFT Vesion 97 3 3 36 Motor 1 Remove the Frame Main DUP See section 3 3 2 2 Unscrew two screws 1 to remove PLATE Earth F R 3 Unscrew three screws 3 to remove PLATE Earth F R 2 2 4 Disengagethe latch to remove the Bearing L 5 GEAR Z40S8 6 Bearing jand ROLLER Feed RV 8 At this time Knock Pin 9 can be removed simultaneously 5 Unscrew the screw 0 to remove the PLATE Earth BTM 6 6 Disengage the latch and remove two PULLEY MX25 2 Mini Pitch Belt 43 and two Bushes a 7 Disengage the latch to remove the Bearing Feed 45 and ROLLER Feed F 6 8 Remove the E Ring 47 and Bush 48 9 Unscre
100. ng motor Is it normal NO Replace the stepping motor Replace the Board BBB 40930701TH DRAFT Vesion 212 5 CONNECTION DIAGRAM 5 1 Interconnection Diagram to PRINTER UNIT 2nd TRAY 2nd tray 3rd BOARD PXC wi tray auto setting switch Z 3 AS z 7P E TETE e E AL 9 9 o A u aol gt g X 3332 N N N N Z io 2 ES e m O Do olo ol O a z n n n wl o aj 5 uis Mu pere SIZE 6P MAIN2 7P BOARD BBB MAIN1 7P IO jo TR O N j D IU U U U U ru l lo la Lio Z alg Z o gt lt lt 6 gt S x Z to 3rd TRAY 40930701TH DRAFT Vesion 213 PCB Layout 5 2 BBB PCB y L L oooo s REESE E jHOLOW JOAUP JO O Josuas pue Jaded Josuas pue Jesu Jaded 214 40930701TH DRAFT Vesion PARTS LIST 6 215 40930701TH DRAFT Vesion Table 6 1 High Capacity Second Third Paper Feeder 1 2 z Parts No Name Q ty U Reccomended Q ty Remarks 40346701 Frame side L assy 40488701 Guide cassette L For Maintenance 4PP4122 1217P001 Pull block 40349102 Lever link Caulking 4PP4076 5358P001 Link support 40928101
101. nt Hopping Roller continuously idled up to the paper away Start printing after the paper turns off the Write Sensor 40930701TH DRAFT Vesion 30 Hopping Roller Hopping Motor Front Feeder Gear C one way clutch build in N Front Feeder Plate Pressure Roller Regist Roller Hopping Roller 1st Hopping Gear Sub Roller One way Gear build in home position 0 30 Micro SW Front Feeder Plate 40930701TH DRAFT Vesion 31 Inlet Res q Write Sensor o Pressure Roller i foja gt egist Roller Mu y Clutch Regist x N LZ Clutch Feed A ae Main Motor Align Roller 2 Feeding After the end of hopping the pulse motor dedicated for driving the registration roller rotates to drive the registration roller The driven registration roller advances the paper until it comes out of the registration roller When leading edge of the paper causes the paper sensor to turn on the printing is started synchronously Although Gear D is always rotating due to an all time rotation of the main motor in direction c the regist roller would not rotate because the clutch regist is turned off After the completion of hopping turn on the clutch regist to drive the regist roller The regist roller would drive a paper until the paper has passed
102. ntroller and operator panel EEPROM Control of a serial interface between controller and power supply board l O port Inputting of various sensor signals Outputting of various control signals Motor driver controller Control of Main Motor Image processing circuit 2 Program font ROM s e PCL ROM Executes the image data process for printing The program font ROM s store the HP LJ5 emulation program and various types of font MASK ROM is used as the program font ROM s PS ROM The program font ROM s store the Adobe PostScript Level 2 program and its fonts 40930701TH DRAFT Vesion 16 3 DRAM s 16 Megabyte DRAM 64 Mbit DRAM x 2 is mounted as resident memory to be used for storing the program and providing various buffers This DRAM is expandable up to 128 Mbytes by adding expansion memory SIMMs This DRAM provides the areas shown in the following table Memory area Memory capacity setting MENU Expansion RAM System area Working area used for the program Fixed Fixed Raster buffer Stores converted bit image data Enable Expandable Receive buffer Stores temporarily the data received Enable Expandable from the host interface Page buffer Adds print information to the analyzed Expandable receive data and stores the resulted data DLL macro buffer Stores soft fonts and macro data Expandable Font cache buffer Stores bit map fonts generated by the Enable Expandable f
103. o E dk 3k Gk dE GE GE fa 2PA4128 1074G001 Face up Stacker Assy 40441301 Manual Feed Assy 40027002 ROLLER Transfer 4PP4076 5042P001 TR Gear 40378001 Contact Assy 40378401 CASE Assy Cassette 40927901 Frame Assy Separation 40496001 PLATE Damper O O O O O O O O 4PP4076 5067P001 Earth Plate BK R 40875702 Board FFF Without ROM 8174627M0004 MX23C2410PC 10 080 Program ROM 8174627M0003 MX23C2410PC 10 079 Program ROM 40295701 Conneclion Cord Wire Power Supply 40405419 Board FSL Flash ROM module 4MB 40405420 Board FSL 2 Flash ROM module 8MB 40681204 Board MSM 2 PS ROM module 40443502 DUPLEX UNIT ODA co N N N OO OI ajaja ao GOD D GO oy GO wl GO OY GOD GO GO GO GO OQ GO G gt 40930701TH DRAFT Vesion 175 M co N A NON a Ney 9S Ra iN N ej Q Dy Figure 8 2 Frame Main Unit 40930701TH DRAFT Vesion 1287 z 9 Parts No Table 8 2 Frame Main Unit 1 2 Name Q ty U Reccomended Q ty 50 100 1000 Remarks 40596901 FRAME Assy Main 1 3 6 For Maintenance 4LB 192600 6 Spring TSP3 3 0 35 16 2 33 9 230G 0 3 6 4PB4083 6197P001 Damper 12 40315801 LEV
104. oard in the piggyback board from without modifying the program atthe printer side The conceptual diagram of the OKI HSP interface is shown in Figure 2 2 For the electrical physical characteristics of the OKI HSP interface see the OKI HSP interface technical manual Printer Network etc Control board LAN ES vi expansion board OKI HSP interface Figure 2 2 40930701TH DRAFT Vesion 18 7 RAM module Pin layout ra 1 3 37 72 Basic specificaton Type 72 pins Standerd SIMM 32 bits buss width Note EDO SIMMtype Access time 60ns 70ns 80ns 100ns Capacity 16 or 32MB Parity None 8 Flash ROM module Pin layout Board FSL or Board FSL 2 4MB 8MB i53 1 36 37 72 Basic specificaton Type 72 pins SIIM 32 bits buss width Access time 90ns Capacity 4 or 8MB 40930701TH DRAFT Vesion 19 2 2 Power Supply Unit The power supply unit consists of an AC filter circuit a low voltage power supply circuit a high voltage power supply circuit heater drive circuit and photosensors 1 Low voltage power supply circuit This circuit generates the following voltages Output voltage
105. oller assembly and the tray k No Has the paper reached the outlet sensor lever e Yes Does the outlet sensor lever operate smoothly No Replace the outlet sensor lever Y Yes Clean the outlet sensor on the Power Supply Unit AC120V or 230V See Figure 2 3 Sensor Layout Diagram v Is the printer recovered Y No Replace the Power Supply Unit AC120V or 230V Y YES END 4 No Is the drum motor rotating No ls there any defective gear in the motor bracket assembly Yes Replace the defective gear No Are the connections for Motor connector on the Main board between drum motor properly See Chapter 7 1 No Connect these connectors properly 4 No Isthe coil resistance normal resistance between pins 1 and 2 between pins 3 and 4 3 1 Q of the drum motor normal No Replace the drum motor lt q Is the printer recovered No Replace the Main board oq YES END Go to on the next page 40930701TH DRAFT Vesion 141 From on the preceding page Y No Is the transfer roller rotating smoothly No _ Is there any defective gear of the transfer roller Yes Replace the defective gear No Replace the transfer roller Y No Is the fuser unit installed properly No Install the fuser unit properly Y No Is the image drum cartridge set properly e No JSetthe image drum cartridge properly Y No Does the paper sensor lever operate smoothly No Replace the
106. ont rasterizer based on scalable font information 4 EEPROM The EEPROM has a 16 kbit capacity and stores the following data Menu data e Various counter data page counter drum counter fuser counter etc Adjustment parameters LED head drive time print start position etc 5 LSI LZ9FF22 Built in device Function Serial I O port Control of serial interface between controller and 2nd tray 3rd tray Multi purpose feeder Control of serial interface between controller and Duplex unit Motor driver controller Control of Hopping motor I O port Inputting of various sensor signals Outputting of various control signals 6 Host interface This printer has the following interfaces to the host Centronics bidirectional parallel interface e RS232C interface e OKI HSP interface Option The single effective interface or the automatic interface select mode can be selected using the menu If the busy state of the printer continues for a long time period the buffer near full control releases the busy status at constant intervals even if the host side is busy so not to cause the interface time out at the host side 40930701TH DRAFT Vesion 17 a Centronics bidirectional parallel interface This is an interface conforming to IEEE 1284 and provides either of unidirectional and bidirectional communications according to each of the following communication modes Compatibility mode Unidir
107. ord have a break Yes Replace the connection cord Connection Code Wire No Replace the Duplex In sensor FX50 Photo Sensor YES END No Replace the Board LEX Y No Connect the connection cord properly Y No Replace the Duplex In sensor lever LEVER Sensor D IN and SPRING Sensor D IN Y YES Remove the paper 2 7 Duplex FEED JAM 2 Has a paper reached the Duplex Rear sensor No Is the connection cord between the clutch and the Board LEX connected properly Yes Replace the GEAR Assy YES END No Replace the Board LEX Y No Connectthe connection cord properly Y ves Isthe Duplex Rear sensor operating normally Yes Replace the Board LEX Y No Replace the Duplex Rear sensor lever LEVER Sensor F R and SPRING Sensor F R 40930701TH DRAFT Vesion 145 2 8 Duplex FEED JAM 3 Has a paper reached the Duplex Front sensor r No Is the connection cord between the clutch and the Board LEX properly Yes Replace the GEAR Assy YES END No Replace the Board LEX Y No Connect the connection cord properly T ves Isthe Duplex Front sensor lever operating normally t Yes Is the connection cord between the Duplex Front sensor and the Board LEX connected properly Yes Does the connection cord have a break Yes Replace the Duplex Front sensor FX50 Photo Sensor YES END No Replace the Board LEX f No Connectthe connection cord proper
108. ormal temperature rises The back up roller is held under a pressure of 5 kg from the pressure spring at each side Heater Separation Claw Thermistor Heater Roller Paper Pressure Spring 40930701TH DRAFT Vesion 36 8 Cleaning After the end of the transfer residual toner on the image drum is attracted to the cleaning roller temporarily by static electricity to clean the image drum surface Image Drum Cleaning Roller Transfer Roller 9 Cleaning of rollers The charge roller transfer roller and cleaning roller are cleaned in the following cases n warming up at power on time n warming up after the cover is opened and closed When the number of accumulated sheets is 10 or more and the printout operation ends Changes in bias voltage applied to each roller move adhesive toner from the roller to the image drum and return it to the developer 40930701TH DRAFT Vesion 37 10 Duplex unit When the Duplex Unit receives an instruction for both sided printing from the unit the separator will be opened by the action of a solenoid within Duplex and the route will be shifted to the one into the Duplex after one sided printing of papers which are fed from the tray are completed Atthis time as the roller 1 rotates in the direction of arrow A a sheet is retracted in the rear of the cassette And then a given time later after the edge of the sheet passes through the IN SNS DUP the roller w
109. otating A Yes GEAR ASSY CLUTCH Z50 turned ON 4 No Isacable and connector securely connected between GEAR ASSY CLUTCH and MAIN BOARD No Connect the cable firmly Is the printer recoverd YES END No Replace the GEAR ASSY CLUTCH Z50 Y Yes Replace the Frame Assy Hopping Y No Are the cable and connector between the hopping motor and the Main board connected properly See Chapter 7 1 No Connect each connector properly or replace the nylon connector cord white 9 pins Yes Is the coil resistance normal resistance about 6 7 Q of the hopping motor normal No Replace the hopping motor Yes Replace the Main board 40930701TH DRAFT Vesion 138 5 2 Paper input jam front feeder Does jam error occur when the power is turned on Yes Is the paper at the inlet sensor lever Yes Remove the paper A No Does the inlet sensor lever operate smoothly No Replace the inlet sensor lever Yes Clean the inlet sensor 1 on the Power Supply Unit High Voltage or replace the Power Supply Unit High Voltage See Figure 2 3 Sensor Layout Diagram No Does a jam error occur after paper feeding Yes Is the paper fed on the inlet sensor lever Yes Goto A No Goto B 4 No Does the front feeder paper sensor lever operate smoothly No Replace the lever of the front feeder paper sensor Yes Clean the front feeder paper sensor ls the printer recovered
110. over open microswitch on the Power Supply Unit High voltage is turned off to cut the supply of 30V to the high voltage power supply circuit As a result all high voltage outputs are interrupted At the same time the CVOPN signal is sent to the control board to notify it of the off state of the microswitch and the Main board performs the cover open processing 40930701TH DRAFT Vesion 48 2 6 Toner Low Detection Composition The device consists of the stirring gear which rotates at a constant rate the stirring bar and the magnet on the stirring bar The stirring bar rotates through the link on the protrusion in the stirring gear a a 8 t Protrusion Stirring Bar Stirring Gear Operation Toner Low is detected by monitoring the time interval of the encounter of the magnet set on the sensor lever and the magnet on the stirring bar Stirring Gear Section Operation during toner full state a ra Stirring Bar The stirring bar rotates due to the interlocking with the stirring gear Even when the magnet on the stirring bar reaches the maximum height since the other side is being dipped in the toner the stirring bar is pushed by the stirring gear Sensor Lever Toner Sensor Operation during toner low state Stirring Bar When the stirring bar reaches the maximum height since there is no resistance provided by the toner on the other side it falls to the minimum height d
111. pacity Second Third Paper Feeder 2 2 Parts No Name Q ty U Reccomended Q ty 50 100 1000 Remarks 4PP3522 3568P001 ADF bearing 2 12 o 40433701 Bracket sub roller Cauking o 40317701 Gear planet z28 40358101 Plate planet 40367101 Bracket spring sub 40928201 Spring sub roller 40317601 Gear z38 40385901 Lever release assy 40363301 Spring release o O O O O O O 40442501 Guide roller A N E E E 3 GE GE Gk 4PP4076 5308P001 Bearing F 40363401 Spacer hopping shaft 40348401 Gear hopping 2nd 40348501 Bracket planet assy 40317901 Lever paper end 40318001 Lever paper near end 40387101 Board BBB 40375101 Connection code wire To 3rd Tray 4LP 1313 121 Mini pitch belt O O O O O O O O O 40371301 Roller assy hopping A N 40313201 Roller assy feed A M 40378401 Case assy cassette 40927901 Separator frame assy 40496001 PLATE Damper NK3 16SUS Knock Pin 40387401 Plate Earth FR 40387601 Plate Earth Shaft 40387501 Plate Earth BR 40387301 Plate Earth BL 40432901 Plate Earth R 40583601 Core Assy 2nd Tray To Printer or 2nd Tray 40912601 Plate Earth BL 40912401 Plate Earth L
112. paper sensor lever Yes Clean the paper sensor on the Power Supply Unit High Voltage See Figure 2 3 Sensor Layout Diagram Y Is the printer recovered No Replace the Power Supply Unit High Voltage YES END 40930701TH DRAFT Vesion 142 2 4 Paper exit jam Does a paper exit jam error occur when the power is turned on YES Is the paper on the outlet sensor lever Yes Remove the paper No Does the outlet sensor lever operate smoothly No Replace the outlet sensor lever Yes Clean the outlet sensor on the Power Supply Unit AC120V or 230V See Figure 2 3 Sensor Layout Diagram Is the printer recovered No Replace the Power Supply Unit AC120V or 230V YES END od No Isthe face up stacker drawn out or pushed into the printer completely No Draw the face up stacker out the printer completely or push it into the printer completely lt q Yes Is the eject roller assembly installed properly No Install the eject roller assembly properly oq Yes Replace the eject roller assembly 40930701TH DRAFT Vesion 143 2 5 Duplex INPUT JAM Is the leading edge of paper is fed in the Duplex unit Yes Has the leading edge of paper reached the Duplex In sensor r Yes Is the Duplex In sensor lever operating normally Yes Is the connection cord between the Duplex In sensor and the Board LEX connected properly Yes Does the connection cord have a break Yes Replace the
113. ponent Names sss ees 218 2 MECHANISM DESCRIPTION sssssseseseneneeeeneneen nennen nennen enne nnns 219 2 1 General Mechanism sse eene nnne rnnt 219 2 2 Hopper MechanisM uiia eere u ED ene aiii AR 219 3 PARTS REPLACEMENT rre pidele 220 3 1 Precautions Concerning Parts Replacement 220 3 2 u hcibyl 222 40930701TH DRAFT Vesion 3 3 Parts Replacement Methods sau u un u uu Suasana 223 9 94 Separalor oui uya assaka a E eiecit ad 224 332 AOLE PCB iint codice e iin mene ira 225 3 3 8 Square shaped connector ssssssssseee 226 9 94 Hopplhg Molo io doses rece ertet uu uuu re rre eer Pe 227 399 Plahnetgear idee ei 228 3 96 Rolleri s u eade bete udo tace Ua mda Rt p ERE 229 39 Roller A ueste QUEE e UN EE Ub RA 230 3 3 8 Mini pitch belt amp Feed roller 231 TROUBLESHOOT ING iste Em 232 4 1 Precautions Prior to the Troubleshooting 232 4 2 Preparations for the Troubleshooting cnn 232 4 3 Troubleshooting Method uuu u Lee etn natas 232 4 3 1 LCD Status Message List sse 233 4 3 2 Troubleshooting Flow sssessseeeseeeeeneeeennennnnnn nnns 234 CONNECTION DIAGRAM sese nnne enne nennen nnns 235 5 1 Interconnection Diagram
114. r D IN Aa wo 40393601 SPRING Sensor D IN O o E Gk E GE Hk PR dE GE Gk a 4 A 4YB4120 1137P001 FX50 Photo Sensor A D A ol 40598001 Core Assy DUPLEX A o 2201000P0140 Connector IMSA 9714N 14A k N 40375201 Connection Code Wire O O O To IN Sensor en 40461601 FILM Pinch R A m o 40297201 FRAME Main DUP N o 40597501 GEAR Assy N A 40921801 Motor Pulse N N 40381801 ROLLER Feed F N C 40381901 ROLLER Feed R n2 4PP4043 4489P001 Bearing Feed O O O O O O n2 ol 4PP4076 3949P001 Bush A D ye Oo 40339901 GEAR Z40S6 o Nm Y 40340301 PULLEY MXL25 A Dv Nm co 40448101 Mini Pitch Belt Nm o 40382001 ROLLER Feed RV wm o 4PP4076 5345P001 Bearing L wo A 4PP3527 5355P001 FX30 Bearing C N 40339801 GEAR Z48S8 O O O O O Cc de 40338901 LEVER Sensor F R wo 40386501 SPRING Sensor F R A m N wm al 40375301 Connection Code Wire Ww ojoj j jv jjv joju joju GO GO GO GO GO jojo OQ OQ O OQ OQ GO OQ OO O O o To Front Sensor 40930701TH DRAFT Vesion 183 Parts No Table 8 4 Duplex Unit 2 2 Name Q ty
115. r Troubleshooting 1 Operator panel display The failure status of this printer is displayed on the liquid crystal display LCD in the operator panel Take proper corrective action as directed by messages that are displayed on the LCD 6 5 Troubleshooting Flow If troubles should develop in this printer troubleshoot in the following procedure flow Troubles Troubles indicated by LCD message Troubleshoot from the LED status message list See 6 5 1 Perform detailed trouble shooting with the trouble shooting chart See 6 5 2 Image troubles and troubles that are not indicated by LCD message 6 5 1 LCD status message trouble list Table 6 1 lists the status and troubles that may be indicated by messages on the LCD LED status e OFF o BLINK ON O Undefined Perform troubleshooting with the troubleshooting chart See 6 5 3 40930701TH DRAFT Vesion 121 uoIS9A 4VH O H11020860r ect Category Daily status LCD status message O ATTENTION O ON LINE XXX dddddd tttttt Trouble or status Indicates on line status tttttt Tray TRAY 1 TRAY 2 TRAY3 and FRONT MANUALFEEDER Tn Cassette tray T1 TRAY 1 T2 TRAY 2 T3 TRAY 3 mmmmmmmmm Paper size in the tray being selected LETTER EXECUTIVE LEGAL 14 LEGAL 13 A4SIZE A5 SIZE A6 SIZE B5 SIZE COM 10 MONARCH
116. resetting EEPROM to factory default after a few second indication It displays the message for a few seconds It reset the EEPROM to the factory default state to continue operation When the program ROM is updated and the EEPROM is replaced with new one the menu factory default corresponding to each destination will be loaded uoIS9A 14VYC H11020860r FOEL Category LCD message ERROR CONTROLLER nn aaaaaaaa Light off ATTENTION LED Trouble or status A fault occurred in the printer Turn the power off then on to release the error display If the error display cannot be released by this procedure call a service person Code nn Error Remedy 10 An error was detected by program hash check Replace the program ROM Location BOARD FFF IC6 IC8 IC30 IC31 Replace the Main board BOARD FFF Note When replacing the Main board install the EEPROM mounted on the replaced Main board An error was detected by font format check Replace the font ROM Location BOARD FFF IC6 IC8 IC30 IC31 Replace the Main board BOARD FFF Note When replacing the Main board install the EEPROM mounted on the replaced Main board An error was detected by resident RAM check Replace the Main board BOARD FFF Note When replacing the Main board install the EEPROM mounted on the replaced Main board An error was detected by EEPROM check Replace
117. rgo eit ode 201 3 3 4 Lever paper end Lever paper near end 202 SaD MOO 203 3 3 6 Connector IMSA 9714N 14B Connector IMSA 9714N 144 204 3 9 7 Frange pulley pulley Idle Mini pitch belt Plate Earth shaft Gear double Tray switch assy 205 3 9 8 Roller eed iia 206 3 9 9 Bracket SUD roller uuu ictor rente aan cii ted 207 3 9 10 Fame sido E aSSy ectetuer e dee exp ee rec awana 208 3 39 11 Frame side R assy erci 209 4 TROUBLESHOOTING tut oci oltre tou eo HEURE ted mu REES es PREX RE EE cava 210 4 1 Precautions Prior to the Troubleshooting 210 4 2 Preparations for the Troubleshooting 210 4 3 Troubleshooting Method u uu 211 4 3 1 LCD Status Message LIStx uu una au ana asuaayaa asna kanqaqa astaq kaqawa 211 4 3 2 Troubleshooting Flow nn cc nnrcc anna 212 5 CONNECTION DIAGRAM ita ii 213 5 1 Interconnection Diagram nennen nennen 213 5 2 POB Day0 0t uu T 214 6 PARTS US U u icit etre tuere dagen va A ta qaa awu ds 215 APPENDIX D MULTI FEEDER MAINTENANCE 218 1 OUTEIN c iento 218 1 1 FUINCHONS e 218 1 2 External View and Com
118. rinter and Duplex Unit will connect automatically with built in connector 2 Lock the Duplex Unit to the printer by turning the LEVER Lock Dup to the next locking position as below Connector LEVER Lock Dup 3 From front side of printer snap fit LEVER Release Dup into the boss in Hopping Frame LB Boss TAT III Snap Fit into Boss LEVER Release Dup LJ Snap Fit LEVER Release Dup 4 After installing Duplex Unit put back the Paper Cassette into 1st Tray Snap Fit 40930701TH DRAFT Vesion 93 3 3 32 Board LEX 1 Remove two LEVER Lock DUP by rotating them in the arrow direction 2 Unscrews five screws 2 to remove the bracket 3 3 Unlatch all the nails and unplug all the connectors 4 to remove the Board LEX 5 Note When installing the Board LEX install it positioning earth plate over the PCB 40930701TH DRAFT Vesion 3 3 33 Connector IMSA 9714N 14A 1 Remove two LEVER Release DUP by lifting in up from A side 2 Take away two SPRING Support 2 to remove FRAME MAIN DUP 3 Remove the FRAME MAIN DUP 3 Unscrew two screws 4 to unplug the Connector IMSA 9714N 14A 95 40930701TH DRAFT Vesion 3 3 34 Photo Sensor 1 Remove the Frame Main DUP see section 3 3 2 2 Release the lock to remove two SPRING Lock frame 1 and two LEVER Lock Assy 3 Pull out four SHAFT Pi
119. river The procedure is as follows i LED head is set to the correction control read mode and all correction data stored in EEPROM within the correction control LSI are read by CPU and stored temporarily in the memory ii Next LED headis settothe correction control direct mode and the correction data stored temporarily in the memory is transferred directly to the LED driver 40930701TH DRAFT Vesion Read of correction data i Z UBIH pejqeue apo qu S90J9 26661 8101 i peal ejep uonoaeJ02 pea ejep peaH syoo o 8 SX90Jo 8 syoo o 8 SX90Jo 8 3M bed bd gt lt gt lt gt Jes PON Qu Y Buas apo ajoAo qu ajoAo qu 9 oKo qu ajoAo wuInp du gt N vauls N gul1S Zeyep uonoeJ100 N 8d1S 1 1 4 N IgulS KX AXA AAAAA X 0 WLVA ODO 4 gelep i qvo1 eJep uonoeJ102 p uw SU0SZ 190 D 40 40930701TH DRAFT Vesion Transfer of correction data to head driver correction data i pejqeue po N 193810 18S apo LOAYIG Y Y Bumjs poNW gt amp
120. s 1 and 2 1 5 Q 120 V and 5 8 Q 240 V between pins 3 and 4 See Chapter 7 3 Yes Replace the fuser unit Is the AC voltage applied to the CN2 connector on the Power Supply Unit AC120V or 230V See Figure 6 3 No Is CN2 connector connected to the Power Supply Unit AC120V or 230V e No Connect the CN2 connector to the Power Supply Unit AC120V or 230V properly Yes Is Pin 6 HEAT ON signal of the POWER connector of the Main board turned on In heater on state this pin is set to O V No Replace the Main board Yes Replace the Power Supply Unit High Voltage Y e YES Goto B 40930701TH DRAFT Vesion 149 I F time out between printer and optional tray ERROR 81 Is an optional tray 2nd 3rd tray or envelope feeder used Yes Is the connection between the Main board and the optional tray connected properly See Chapter 7 1 No Connect the cable properly Y Yes Replace the Main board Y Is the printer recovered e No Isolate the trouble by following the 2nd 3rd tray or multi feeder maintenance manual See Appendix C or D Y YES END od No Replace the Main board 6 I F time out between printer and Duplex Unit ERROR 83 4 Is an Duplex Unit used 1 Yes Is the connection between the Main board and the Duplex Unit connected properly See Chapter 7 1 e No Connect the cable properly Y Yes Replace the Main board v T 4 Is the printer recovered e No Isolate the trouble
121. sheet 4 to remove the Pull block At this time Lever link 6 can be removed simultaneously b Unscrew a screw 7 to remove the Link support 8 6 Remove the Roller link 7 Remove the Plate earth 0 8 Unscrew a screw 1 to remove the Detector spring 2 9 Unscrew a screw 3 to remove the Board PXC 44 10 Remove two Rubber foot 5 40930701TH DRAFT Vesion 209 4 TROUBLESHOOTING 4 1 Precautions Prior to the Troubleshooting 1 Go through the basic checking items provided in the Operator Guide 2 Obtain detailed information concerning the problem from the user 3 Go through the checking in the conditions similar to that in which the problem occurred 4 2 Preparations for the Troubleshooting 1 Display on the Operator panel The status of the problem is displayed on the LCD Liquid Crystal Display on the Operator panel Go through the appropriate troubleshooting procedures according to the messages displayed on the LCD 40930701TH DRAFT Vesion 210 4 3 Troubleshooting Method When a problem occurs go through the troubleshooting according to the following procedure Problem occurs Problem displayed by Troubleshooting Carry out detailed the LCD message according to the LCD Status Message List see 4 3 1 4 3 1 LCD Status Message List troubleshooting according to the Troubleshooting Flow see 4 3 2 Thelisting of
122. sion 228 3 3 6 Roller B 1 Remove the upper cover see 3 3 1 1 to 3 2 Disengage the plate and frame on both sides 3 Remove the separator assy see 3 3 1 4 to 5 4 Remove the AOLE PCB see 3 3 2 5 Remove the motor bracket assy see 3 3 5 6 Remove the gear 1 7 Shift the roller B to the right lift it by holding on its left side and pull it out to the left side The bearing 3 also comes off at the same time so be careful not to lose it Further pay special attention to make sure that you do not damage the sensor lever 4 while going through this procedure 40930701TH DRAFT Vesion 229 3 3 7 Roller A 1 Remove the motor bracket assy see 3 3 5 2 Remove two gears 1 and then another gear 2 3 Disengage the plate 3 and the frame 4 4 Remove four screws and remove the frame 4 see 3 3 6 5 Move the belt to the right and remove it from the one way pulley 6 Move the carrier roller assembly to the right and remove it from the shaft 7 7 Move the roller A 8 to the right lift its left side and then pull it off to the left Be careful not to lose the shaft 7 being removed together Carrier roller assy 40930701TH DRAFT Vesion 230 3 3 8 MMini pitch belt amp Feed roller 1 Remove the roller A see 3 3 7 2 Remove the bearing 1 and remove the feed roller assy 3 Remove two bearings 3 and remove the plate 4 4
123. supervises the heat roller temperature via the thermistor and regulates the heater roller at a predetermined temperature 185 C Normal paper MEDIA TYPE MEDIUM by connecting or disconnecting the AC voltage supply to the heater If the heater roller temperature rises abnormally the thermostat of the heater voltage supply circuit is activated to cut the AC voltage supply forcibly 8 Duplex Unit Duplex Unit is a unit which is installed on the printer unit for controlling both sided printing from the printer unit intended for automatically reversing paper of which one side have been already printed and re feeding them to the unit for printing other side 40930701TH DRAFT Vesion 23 2 3 2 Electro photographic process The electro photographic processing is outlined below Figure 2 5 shows the electro photo graphic printing process D Charging The surface of the image drum is uniformly charged with negative charges by applying a negative voltage to the charge roller Exposure Light emitted from the LED head irradiates the negatively charged surface of the image drum The surface potential of the irradiated part of the image drum surface is lowered so that an electrostatic latent image associated with the print image is formed 3 Developing and toner recovery When the negatively charged toner is brought into contact with the image drum it is attracted to the electrostatic latent image by static electricity making
124. t a Receiving circuit INPUT P L OUTPUT 75189 or equivalent 412V 43V INPUT 12V b Sending circuit 75188 or equivalent INPUT gt gt x OUTPUT OUTPUT 9V nod Note The above signal level is for the case where 3KO x 15pF is being connected to the terminal 6 Communications protocol a READY BUSY protocol b X ON X OFF protocol 40930701TH DRAFT Vesion 190 Appendix C SECOND THIRD PAPER FEEDER MAINTENANCE 1 OUTLINE 1 1 Functions This high capacity second third paper feeder which is located under the printer rotates the hopping motor according to the signal from the printer to supply papers to the printer automati cally The main functions are as followings Applicable media Paper Type Cut Sheet Size A4 A5 B5 Letter Executive Legal13 Legal14 Special Size Paper Width 148 to 216mm Paper length 210 to 356mm Weight 60 105 g m2 Paper loading capacity 75 g m paper 530 sheets 1 2 Appearance and Parts Name Frame side R Assy Cassette Assy Frame side L Assy 40930701TH DRAFT Vesion 191 2 DESCRIPTION OF OPERARTION 2 1 Driving Mechanism The high capacity second third paper feeder only a top paper which is set in the cassette by a signal from the printer 1 Second paper feeder as an example is shown First of all the hopping motor rotates in the direction of arrow A Roller C rotates by way of idle gear on the same sha
125. t sensor 1 LET Inlet sensor 2 E Figure 2 3 Function Sensing state Inlet sensor 1 Detects the leading part of the paper and gives the supervision timing for switching from hopping operation to feeding opera tion Supervises the paper running state and the paper size accord ing to the paper reach time and running time Paper exists No paper exists Inlet sensor 2 Detects the form width ON A4 or larger OFF Smaller than A4 Paper sensor Detects the leading part of the paper Supervises the paper running state ON Paper exists OFF No paper exists Outlet sensor Supervises the paper feed and size according to the time of arrival to the sensor and the time of passage of paper ON Paper exists OFF No paper exists Toner low sensor Detects the lack of toner ON long Toner low exists OFF short No Toner low exists 40930701TH DRAFT Vesion 21 2 3 Electro photographic Process 2 8 4 Electro photographic process mechanism This mechanism prints image data from the control board on the paper by electro photographic process The Figure 2 4 shows the layout of the electro photographic process mechanism Image Drum Unit LED HEAD Heat Assy Hopping Motor Front Hopping Roller Face Up stacker Duplex Unit Roller Assy Feed 1st Hopping Roller Motor Main Sub Roller Figure 2 4 40930701TH DRA
126. t work normally after being turned on Jam error Paper input jam 1st Tray Paper input jam Front feeder Paper feed jam Paper exit jam Duplex INPUT jam Duplex FEED jam Duplex FEED jam Duplex FEED jam Paper size error Fusing unit error ERROR71 ERROR72 ERROR73 SSIO Synchronous Serial I O error between the Main board and the Power Supply Unit High voltage ERROR74 I F time out between the printer and the operator panel ERRORS80 I F time out no response between the printer and an optional tray 2nd tray 3rd tray multi feeder ERROR81 Messages cannot be received through the parallel interface Messages cannot be received through the serial interface Data cannot be received through the OKI HSP interface e VF time out between the printer and the Duplex unit Printing sequence error in the Duplex ERROR83 ERROR84 Note When replacing the Main board install the EEPROM from the old Main board onto the new Main board 40930701TH DRAFT Vesion 133 7 D The printer does not work normally after being turned on BORER RRR i 2 Is TTT message shown in the LCD display for less than 1 second No No k No Is the AC cable connected properly e No Connect the cable properly Is the message 16 columns IB display only on the top row shown in the LCD display
127. ter replacing the image drum cartridge set the printer in the user maintenance mode by turning the power on while pressing the MENU key and reset the drum counter Refer to User s Manual 2 After replacing the fusing unit assy set the printer in the engine maintenance mode by turning the power on while pressing the FORM FEED and ENTER keys and reset the fuser counter Refer to See 4 1 40930701TH DRAFT Vesion 158 Print voids Is the contact plate of the transfer roller contacted with the Power Supply Unit High Voltage properly See Figure 6 5 No Adjustthe contact plate contact to contact the Power Supply Unit High Volt age properly and the shaft of the transfer roller Y ves Replace the transfer roller See 3 3 36 Y Has the trouble been removed YES END Y No Are the contacts of the toner supply roller developing roller image drum and charging roller contacted with the contact assy properly See Figure 6 5 9 O No Adjust the contacts to contact the contact assy properly Y ves Replace the image drum cartridge Y Has the trouble been removed YES END Note After replacing the image drum cartridge set the printer in the user maintenance mode by turning the power on while pressing the MENU key and reset the drum counter Refer to User s Manual Y No Is the LED head installed properly Check connector HEAD1 14p HEAD2 12p on the Main board and PC Connector on the LED h
128. termined after the leading part of the paper has reached the outlet sensor The paper size check with the manual feed specified considers the reference size as free size Paper size error The size of the paper is supervised by the inlet sensors 1 It is detected that the paper does not pass over the inlet sensor 1 within predetermined range of distance The inlet sensor 2 detects that the size of the loaded paper is A4 or larger or smaller than A4 The detected paper size differs from the paper size set by command or menu The paper size check with the manual feed specified considers the reference size as free size Duplex input jam re move the paper Informs that a jam occurs in feeding papers to the Duplex Unit Duplex feed jam1 re move the paper Informs that a jam occurs in retracting papers into the reverse roller within the Duplex Unit Duplex feed jam2 re move the paper Informs that a jam occurs in reversing papers in the reverse roller within the Duplex Unit Duplex feed jam3 re move the paper Informs that a jam occurs in impinge feeding papers within the Duplex Unit Duplex open jam re move the paper Informs that the 1st tray is pulled out in paper remaining state when feeding papers within the Duplex Error 83 Informs that an I F time out occurs between the printer and Duplex 40930701TH DRAFT Vesion 47 2 5 Cover Open When the stacker cover is opened the c
129. the image visible At the same time the residual toner on the image drum is attracted to the developing roller by static electricity Transfer When paper is placed over the image drum surface and a positive charge opposite in polarity to the toner is applied to the reverse side of the paper from the transfer roller the toner is attracted by the positive charge and is transferred to the paper As a result the toner image formed on the image drum is transferred to the paper 5 Temporary cleaning Residual toner that remains on the image drum without being transferred is made uniform by the cleaning roller and is temporarily attracted to the cleaning roller by static electricity Fusing The toner image transferred to the paper is fused under heat and pressure Figure 2 6 shows an electro photographc process timing chart 40930701TH DRAFT Vesion 24 wnup eDeui y 5 JO u0l 8101 jo uonoeJq upaa seded jo yed efpuueo JoUO gt gt gt gt Buiddou Jade paa sade Buidojo op Jaysued fuluea Buisnj yale sede uononpoud abew 19 01 198 10 19 01 A ddns dB Buiddoy uoleusibay jesue TF amog 91nss dulsnj 181104 197e H jddns uoneJisi89J Jaded Jaded A J9ISU811 usn 10SU8S Ja Josuas u Josuas Jede i ieno
130. uare shaped connector 176496 1 B and Nylon Connector Cord and TR 23 11 R CORE D 9 Unscrew two screws 45 and remove the two Plate Earth Bottom B 10 Unscrew two screws 7 and remove the Square shaped connector 5 176496 1 9 and Connection Cord Wire 9 and TR 23 11 R CORE 11 Unscrew a screw 2 and remove the Detector spring 12 Unscrew a screw and remove the Board PXC 40930701TH DRAFT Vesion 90 91 3 3 81 Removing Installing Duplex Unit Removing Duplex Unit 1 Power Off and remove the Paper Cassette from 1st tray 2 Remove the LEVER Release Dup from the boss of the Hopping Frame B Boss AAN LEVER Release Dup Release Release LEVER Release Dup 3 Rotate the LEVER Lock Dup in the direction of the arrow to release the Lock Connector LEVER Lock Dup LEVER Lock o J 4 Pull the Duplex Unit out of the unit Printer Groove Duplex Unit LEVER Release Dup 40930701TH DRAFT Vesion 92 Installing Duplex Unit 1 Hold the LEVER Lock Dup in horizontal lock position Then insert the Duplex Unit along the groove up to accord both rear faces between printer and Duplex Unit Printer Note Before setting it to the unit make sure that the I LEVER Release Dup is Duplex Unit locked at the angle as shown Locking point Locking point LEVER Release Dup LEVER Release Dup Note P
131. ue to its own weight Be cause of this the time interval during which it is in encounter with the magnet of the sensor lever becomes long By monitoring this time interval toner low can be detected Sensor Lever 40930701TH DRAFT Vesion 49 TONER FULL state TNRSNS E lt 2 727 4 tl 2 727 SEC l TONER LOW state TNRSNS d p F ti t gt 2 727 4 2 727 SEC l When the toner low state is detected 2 times consecutively Toner Low is established When the toner full state is detected 2 times consecutively Toner Low is cancelled When there is no change with the toner sensor for 2 cycles 2 727 sec x 2 or more then the Toner Sensor Alarm is activated The toner sensor is not monitored while the drum motor is in halt 40930701TH DRAFT Vesion 50 27 Stacker full Detection The sensor interlocked with the lever at the paper outlet to the stacker detects a stacker full state about 250 sheets and stops printing of the ensuing pages 2 8 Page Size Detection The four tab pieces are driven according to the setting position of the paper guide through the cam interlocked with the paper guide of the paper cassette When the paper cassette is inserted into the printer the state of the tab pieces is detected by the microswitch to recognize the paper size State of Microswitches SW3 Paper size 1 Letter 0 Executive A4 Legal 14 Legal 13
132. w two screws 9 to remove the GEAR Assy Q9 At this time the GEAR Z40S6 Knock Pin and ROLLER Feed R 3 canbe removed 10 Unscrew two screws 4 to remove Motor 40930701TH DRAFT Vesion 98 5 PERIODIC MAINTENANCE 5 1 Periodic Replacing Part As specified below the parts shall be replaced periodically Part name Condition for replacement Cleaning Remarks Toner cartridge 5 000 LED head Consumables Regist Paper dust Image drum cartridge 30 000 LED head Consumables Regist Paper dust Heat Assy 200 000 Maintenance Kit Transfer Roller 200 000 Maintenance Kit Back up Roller Assy 200 000 Maintenance Kit Feed Roller Assy 200 000 Maintenance Kit Hopping Roller Assy 200 000 Maintenance Kit Separation Frame Assy 200 000 Maintenance Kit Note Maintenance Kit shall be replenished by user s calling to serviceman 5 2 Cleaning Remove any toner and dust Clean inside and around the printer with a piece of cloth when necessary Use the handy cleaner VACCUM for cleaning the printers interior Note Do not touch image drum LED lens array and LED head connector block 5 2 1 Cleaning of LED lens array Clean the LED lens array or replace the toner cartridge when white lines or stripes void light printing are generated vertically down the page Note The LED lens array must be cleaned with an LED head cleaner White lines or stripes vo
133. ween pins 3 and 4 1 5Q 120V 5 80 240V 49949 eoueijsiseH MOJ 9A OL9 ppue g suid uee weg 0 9 zpue suid ueeweg op lt yoelg ot UN018 lt z MOIJSA abuelo lt Jojow BuiddoH ouglsis H uomeJisnil UreJeiq noo 171 40930701TH DRAFT Vesion In case of EP ROM or OTP ROM Program Font ROM Location 1 7 4 Note Me ov 000000000000 ZO looo0o000000000 6L0000000000000000009 O lloooooooooooooooooo gl O 172 1N3O N Szgcesu DUP 12 000000000000 1 a o v 1 alo d f o ssesssosoosoooososooooooc 99999999999 9999999995 Qo d Q Seis 5 8 ul ule col Ij Io gl e E ssssssossoosooooosoooooc o99995a9999999 99997 5s5ss22222222222222222 eooo ooo magoo ooo magoo col 9 9 929s292o90292259222o59 09959999999 999 9 9 9 6 9 5 9 9 59ss00999099999999999 8599999999 9999999 9999 9 Lo Q m mo sssssoosoooooooooooooo o9999999999999999999 STKFULL 1 Pos 3 io Joccccccccccccc000000000000000000 z6 IV EV ooooooooooooooooooooooooooooooo SIdNW 00000000000000000 71 o o o o o o o o o o o 9 9 o o o o o 72 o o o o o o o o o 9 o o o o o o o 72 9 ooooo0o0o00000000000 71 00000000000000000072 doaeooooocoocoocooo 71 e
134. y 3 3 7 Roller feed 3 3 8 m Bracket sub roller 3 3 9 Frame side L 3 3 10 Frame side R 3 3 11 40930701TH DRAFT Vesion 198 3 3 1 Roller assy hopping Roller assy feed 1 Remove the Case assy cassette 1 2 Disengage latchs to remove the Roller assy hopping 2 3 Disengage latchs to remove the Roller assy feed 3 40930701TH DRAFT Vesion 199 3 3 2 Cover front assy 1 Unscrew two screws 1 to remove the Cover front assy 40930701TH DRAFT Vesion 200 3 3 8 Board BBB 1 Unscrew a screw 1 to remove the PCB cover bracket 2 Take away all connectors 3 and three screws 4 to remove the Board BBB 6 40930701TH DRAFT Vesion 201 3 3 4 Lever paper end Lever paper near end 1 Unscrew five screws 1 to remove roller cover bracket 2 and PLATE Earth L 2 Disengage latches to remove the Lever paper end 4 and Lever paper near end 40930701TH DRAFT Vesion 202 3 3 5 Motor 1 Remove the Cover front assy See section 3 3 2 2 Remove the PCB cover bracket See section 3 3 3 3 Remove the roller cover bracket See section 3 3 4 4 Unscrew seven screws 1 to remove the bottom bracket 2 5 Unscrew five screws 3 to remove the Frame side L assy and Frame side R 6 Take away two screws 6 and connector to remove the Motor 7 40930701TH DRAFT Vesion 203 3 3 6 Connector

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