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magicolor 2490MF - service-repair

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1. 34 Operation key board OKB 36 USB board 058 2 37 Image processing board 37 Printer control board 39 DC power supply 1 DCPU1 DC power supply 2 DCPU2 High voltage unit Waste toner near full detect board LED 43 44 ara i 45 SCANNER UNIT crinali 46 IRiUNit giacca ica PH UNIE css aiar ora ci Paper feed unit aaa 56 Power supply cooling fan motor 57 Ventilation fan motor 2 59 FUSING motor ci c 61 Developing motor eee 62 Rack motor M2 is sailor Aia 64 Scannermotor MD i cicn calano ta motor FMS Tray1 paper pick up solenoid SD1 Registration roller solenoid SD2 Pressure retraction solenoid cleaning blade 503 68 Pressure retraction solenoid 2nd image transfer SD4 69 Temperature humidity sensor 70
2. 255 17 2 7 Scanner system Uneven 222 256 17 2 8 White lines in FD white bands FD colored lines in FD anid colored bands iri FD 257 E 17 2 9 White lines in CD white bands CD colored lines CD 3 and colored bands in CD 172 10 Uneven density in FD ics 17 2 11 Uneven density 17 2 12 LOW image density paria 17 2 13 Gradation reproduction 262 E 17 2 14 Foggy background 263 17 2 15 Poor color reproduction csssscsccsssesesstensssensseeessecceessnsensoesesensesssessens 264 17 2 16 Void areas white 0 265 magicolor 2490MF 2 i E D lt Troubleshooting Appendix Field Service Ver 1 0 Jul 2006 172 17 Colored 266 17 2 8 sii titei ea cei eta ae i aa ae 267 17 2 19 Blank copy black 268 17 2 20 Incorrect color image registration 269 17 2 21 Poor fusing performance 270 17 2 22 Brush effect blurred 271 1 7 2 23 BackmMariii gis seta N cala etapa aa a aaa 272 17 2124 Unevenipitch
3. 11 3 SERVICE S CHOICE TRESPEED TEE EE EA ET 11 32 RX SPEED acs ait ieee cae 11 33 TXLEVEL 1134 RX LEVEL asp staal avian 13 52 DIME LEVEL a a ea el 11 93 06 GNGUEVEL 11 97 CED aaa 11 38 EOM MODES 11 39 CODING SCHEME 11 3 10 TONER EMPTY REPORT i 11 3 11 PROTOCOL REPORT 11 3 12 GDI TIMEOUT 11 93 19 ENERGY SAVE MODE 118 11 4 ADJUST 11 4 1 PRNMAINREGIST nenea nenea nana aaa 1142 PRN SUB REGIST 11 43 1144 GED SUB ZOOM ai 11 4 5 CCD MAIN REGIST 11 4 6 GCD SUB REGIST lA Field Service Ver 1 0 Jul 2006 144 7 da a i a 11 4 8 ADF MAIN REGIST 11 4 9 ADF SUB REGIST ATA VO 39 iaia iii ai l 11 4 11 1st TRANSFER VOLTAGE 11 4 12 2nd TRANSFER VOLTAGE 124213 VPPXOEFSET iii ail ini 1144114 IPEIGKER SPECIAL 11 46 16 SERIAL NO 127 145 COUNTER sie e ceea ae ace pa
4. a a en 109 10 41 B W COPY oa o ta t data 109 104 2 COLOR COPY ciale aie aa 109 10 43 109 10 4 4 COLOR PRINT ie mice eee eo dana davai daia aaa ea 109 10 45 _ FAX PRINT sacs aaa a ta aa a i pp i a 109 magicolor 2490MF Maintenance 3 5 lt Troubleshooting Appendix magicolor 2490MF 4 cS E lt Troubleshooting Appendix vi Field Service Ver 1 0 Jul 2006 1046 TOTAL SCAN es ae rata asa ac o a i a a a 109 10 5 TX RX RESULT 109 10 6 taca eat cat tc a ot cea Nu ia 110 10 61 TX RESULT REPORT suis au cats ta ate eta statica ta a 110 10 6 2 RX RESULT 110 10 6 3 ACTIVITY REPORT cucina ira 110 10 6 4 MEMORY DATA 9 110 10 6 5 MEMORY IMAGE PRINT 110 10 6 6 ONE TOUCH LIST 10 6 7 SPEED DIAL LIST 10 58 GROUP DIALAILIST 111 10 6 9 MENU MAP 111 10 6 10 CONFIGURATION PAQE cires ii 10 6 11 DEMO PAGE 11 1 SERVICE MODE entry procedure 11 2 SERVICE MODE function tree
5. ii tes inci sura sce tea sti anina ac ata aa at a baia ita a aaa 102 9 1 User service mode function nana ana 102 9 2 FAX MAINTENANCE 9 2 1 SPEED Sis N 9 2 2 SPEED 9 2 3 iaia Neng 9 2 4 ROGUEVEL iaia T 9 2 5 OTME LEVEL 3 9 2 6 EBV Ble on riali AEON ia 9 2 7 CED LEVEL 9 2 8 MODE 104 9 2 9 CODING SCHEME 2 sasa 104 92 10 TONER EMPTY REPORG Ecc 105 9 2 11 20500000 105 9 3 SRU USAGE 106 9 3 1 TRANSFER BEM pria aaa 106 9 3 2 FUSER UNIT 9 3 3 TIRANSFERIROLLER ese 106 9 4 RESET COUNT 106 9 4 1 TRANSFER BELT sissi coasa aa 106 9 4 2 FUSER UNI Tess i va aa aia 106 9 4 3 TRANSFER ROLLER acea ta ea eco aaa apa a a a 107 9 5 CCDMOVETOHOME nenea nana emana neuen 107 1 0 Display MOQO iaia 108 10 1 Display UNCON tree isi a page ceea ana ai 3033 acad 108 10 2 TONER REMAINING nenea 108 10 93 PRINT dal EH 108 10 4 TOTAL PAGE
6. Date Service manual Ver Revision mark Descriptions of revision Field Service Ver 1 0 Jul 2006 CONTENTS magicolor 2490Mi Main Unit General 1 SYMP CONTQUMALI ON 1 2 Educt specificationis ceeace seta scence ta aa aaa eat ct aa pe aa cat ap aaa 2 Built in Controllers ai ceia seci cei ciate Scien ta a e aa tt Da patat eect 4 2 2 Fax specifications sirisser cracanat s tean g sea d sal p sai tat atit atest 5 Maintenance 3 Periodic check 3 1 Maintenance ca nat ea acea a 7 3 1 1 Replacement palisir iarria patati aa aia aa mas 7 3 1 2 Cleaning 8 3 2 parts lite ax ada ca 9 3 3 Maintenance procedure 2 10 3 3 1 Paper feed tolleti cui 10 3 3 2 IRE Wind OW aire seca die nee gests 13 3 3 3 Toner cartridge C M Y BK i 13 3 3 4 Drum 16 3 3 5 Transfer Delt unit cica ici era 17 3 3 6 2nd transfer roller 18 3 3 7 Fusing unit 2 20 4 li 25 4 1 Controller firmware 25 4 1 1 Preparations for firmware UPQrading 25 4 1 2 WUpgrading 25 4 2 NIGfirmware upgrading 27
7. Field Service Ver 1 0 Jul 2006 12 3 64 SOFT SWITCH 62 12 3 65 SOFT SWITCH 63 12 3 66 SOFT SWITCH 64 13 ProtOColS a Doi at so aia Alas 13 1 G3 ECM Error Correction Mode 216 13 2 Wine CONO rire ea ran 217 13 2 1 Procedure of G3 mode COMMUNICATION 217 13 3 Table of reference code 13 4 How to analyze the T30 protocol monitor Troubleshooting 14 Jam CISPIAY 1 227 141 displayi iasa ceea saca ee sasea acasa a ioana 2227 14 1 1 Misfeed display resetting procedure 227 14 2 Sensor layout cala 14 3 5 04 NQ 14 31 14 3 2 at paper feed 14 3 3 Misfeed at 2nd transfer section 14 3 4 at fusing section 14 3 5 Misfeed at exit Section 14 3 6 Undefined misteed 15s COD CS 15 1 Trouble 15 2 Trouble code list 15 3 HOW toireset css eee acea omise ceai aaa aaa aa sa antec apa sasea 15 4 SOMO Mis cai ire 15 4 1 04H Printer control board malfunction 237 1
8. SERVICE MANUAL magicolor 2490MF 2006 07 KONICA MINOLTA BUSINESS TECHNOLOGIES INC Ver 1 0 FIELD SERVICE TOTAL CONTENTS SAFETY AND IMPORTANT WARNING ITEMS S 1 IMPORTANT NOTICE ad earn 5 1 DESCRIPTION ITEMS FOR DANGER WARNING AND CAUTION S 1 SAFETY WARNINGS 2 alea aa il it ie WARNING INDICATIONS ON THE MACHINE MEASURES TO TAKE IN CASE OF AN ACCIDENT 5 Composition of the service manual 2 0 Notation of the service manual iii magicolor 2490MF Main Unit General zii Maintenance iva ariani ati 7 Adj stment 77 Troubleshooting nsoni micaela iaia ivan 227 d A al ca dn N 281 Auto Document Feeder Unit 1 Maintenance iii 3 Adjustment S tting cina i RANA ta Da aa 0 tt dat 11 Troubleshooting initierea aice eee oa a atat 19 Lower Feeder Unit ln I Aa 1 Maintenance aa cea oa aia gl aia 3 Troubleshooting ciiis 11 Duplex Option Generali S 1 Maintenance e cs Rea RARA ARGAN 3 Troubleshooting sinistre anca ai 13 Composition of the service manual This service manual consists of Theory
9. 15 4 19 101H Scanner motor malfunction 2 244 15 4 20 102H Faulty IR exposure 245 15 4 21 ENGINE INTERFACE Communication error between engine controller 245 15 4 22 CONTROLLER Controller internal error i 245 16 Power supply errors 16 1 Machine is not energizeGat all PU operation Check 246 16 2 Control panel 5 not 246 16 3 Fusing heaters do not 247 8 17 8 6 25 2522 248 5 17 1 How to igeritity problematic 248 5 47 21 Ne EMS 1 248 17 1 2 Mitial check items 2 249 a at i 250 47 2 1 Scanner system Blank copy or black COPY 250 5 17 2 2 Scanner system Low image density or rough image 251 17 2 3 Scanner system Foggy 252 5 17 2 4 Scanner system Black streaks or bandS 253 g 17 2 5 Scanner system Black SpotSs 254 17 2 6 Scanner system White streaks bands
10. 4 2 1 Preparations for firmware UPQrading 27 4 2 2 Upgrading procedure ieri iii 27 5 OEI is aceata aa e as ap e a aia lia 29 5 1 Disassembly adjustment prohibited items 29 5 2 Disassembly assembly list other parts 30 5 3 Disassembly Assembly procedure 5 3 1 z dci ua tanara oi 5 3 2 COVE acas Popa 31 5 3 3 LOT COVER 31 magicolor 2490MF i 52 3 5 lt Troubleshooting magicolor 2490MF 4 cS E lt Troubleshooting Appendix 5 3 4 5 3 5 5 3 6 5 3 7 5 3 8 5 3 9 5 3 19 53 11 5 3 12 5 3 13 5 3 14 5 3 15 5 3 16 5 3 17 5 3 18 5 3 19 5 3 20 5 3 21 5 3 22 5 3 23 5 3 24 5 3 25 5 3 26 5 3 27 5 3 28 5 3 29 5 3 30 5 3 31 5 3 32 5 3 33 5 3 34 5 3 35 5 3 36 5 3 37 5 3 38 5 3 39 Field Service Ver 1 0 Jul 2006 Right coveri iii Paper feed cever Front cover amp Ut ta a a Qpertion
11. IDG sensor moca eat E alea apa Late sia ba ab aa at aa aiba 71 Torque limiter cininaii asini 71 INIELAssY iena Speaker SP Field Service Ver 1 0 Jul 2006 Adjustment Setting 6 How to use the adjustment 77 7 Description of the control 78 7 1 Control panel display 7 1 1 Main SCreeni nici 7 1 2 Toner Supply SOREN 78 8 Menu mode ea 79 81 Menu tree 79 8 2 MACHINE SETTING 8 2 1 AUTO PANEL RESET 8 2 2 ENERGY SAVE MODE senina aaa sea a adi a tat a ea 82 29 LGD CONTRAST 82 8 2 4 LANGUAGE aaa irar Taa EEA cada 82 8 2 5 LAMP OFF TIME moesic ris age aa teapa aa ai a aa ada 82 8 2 6 BUZZER VOLUME 83 8 2 7 INITIAL MODE 8 2 8 TONER EMPTY STOP seaca aaa aaa asa aaa aia aa ataca 83 8 2 9 AUTO CONTINUE css a ata a a a a aaa 83 8 2 10 83 8 3 PAPER SOURCE SETUP 84 8 3 1 as acnee ceapa a paie edita aaa 84 8 3 2 TIRAY2 PAPER catia dana aa 84 8 4 COPY SETTING 2 85 8 4 1 MODE os aa a aaa pa aaa 85 8 4 2 DENSITY LEVEL A scusare 85 8 4 3 DENSITY LEVEE 85 8 4 4 COLLATIE wisi cfs aici ata a ra bata ta aa at aa aa
12. otita aaa pad a d aa a aa ea 96 8104 FAX PTT SETTING 96 8 10 2 DATE amp TIME atinse tata ate sa aaa a sata 96 8 10 3 DATE FORMAT iss nisa aaa caen s ea geanta a aaa 96 8 10 4 at ab 96 8 10 5 USERIRAXINO etala daca 97 S 10 6 USER NAME ici cristi aaa aa aa a a i tc ti a aaa e 97 8 11 DIRECT PRINT ss cec ccs sts e caca aaa a pt i dl ata i 97 8 11 1 IMAGE QUALITY 97 811 2 PAPER SIZE a ba 97 NUP LAYOUT 98 8 12 NETWORK SETTING sa 98 8 12 IPADDRESS 98 8 122 oa 0 a 98 8123 GATEWAY 99 8124 DNS CONFIG E 99 8 13 ii 99 8 13 1 SENDER isnin 99 8 13 2 E MAIL ADDRESS suscita cca aa 99 813 3 SMTP SERVER ease sia ila casate at 100 8134 SMTP PORT et ca Sala na da iii 100 8135 SMTPTIMEOUT sase seca eee c i tt a a ta o asa 100 8 13 6 TEXT INSERT Field Service Ver 1 0 Jul 2006 8 DEFAULT SUBJECT iret Ge 100 8 14 SCANNER SETTING 8 14 1 sate 8142 IMAGE FORMAT tt a ba ada a a a a bl 8 143 CODING METHOD 101 9 User Service
13. sai ta ci aia 273 18 ai N iaia aaa i 274 18 1 Communication error 274 18 2 274 18 3 Error occurring during 274 18 3 1 Error occurring during reception 274 10 4 MOM COGS N iii 275 18 41 Reception fiati ira 275 18 22 277 Appendix 19 Parts layeut drawing 19 1 Main nani 19 2 Auto Document Feeder UNit iii 283 19 3 Duplex Optioni Option 284 19 4 Lower Feeder Unit Option 285 xii 20 Connector layout drawing
14. 5 4 2 05H Flash ROM eisni 237 15 4 3 08H Main motor malfunction 15 4 4 OBH Ventilation fan motor malfunction 238 15 4 5 Power supply cooling fan motor malfunction 238 15 4 6 10 Polygon motor 239 15 47 12H Lasermalfuncetioni cica sea ea ca sea ea ca saca a ae sasea 239 15 4 8 14h 2nd image transfer pressure retraction failure 240 15 4 9 15H Cleaning blade pressure retraction 241 15 4 10 16H Transfer belt rotation failure 241 15 4 11 17H Rack rotation failure Field Service Ver 1 0 Jul 2006 15 4 12 18H Heating roller warm up failure 242 15 4 13 19H Abnormally low heating roller temperature 242 3 15 4 14 Abnormally high heating roller temperature 242 amp 15 4 15 1BH Faulty thermistor iii 242 8 15 4 16 21H Faulty 6 243 8 15 4 17 23H Faulty waste toner near full detection 243 15 4 18 IR cooling fan motor malfunction 244
15. CH 12 3 15 SOFT SWITCH 12 3 16 SOFT SWITCH 12 3 17 SOFT SWITCH 12 3 18 SOFT SWITCH 12 3 19 SOFT SWITCH 12 3 20 SOFT SWITCH 12 3 21 SOFT SWITCH 12 3 22 SOFT SWITCH 12 3 23 SOFT SWITCH 12 3 24 SOFT SWITCH 12 3 25 SOFT SWITCH 12 3 26 SOFT SWITCH Field Service Ver 1 0 Jul 2006 12 3 27 12 3 28 12 3 29 12 3 30 12 3 31 12 3 32 12 3 33 12 3 34 12 3 35 12 3 36 12 3 37 12 3 38 12 3 39 12 3 40 12 3 41 12 3 42 12 3 43 12 3 44 12 34 5 125 46 T2 3 47 12 3 48 12 3 49 12 3 50 12 3 51 12 3 52 12 3 53 12 3 54 12 3 55 12 3 56 12 3 57 12 3 58 12 3 59 12 3 60 12 3 61 12 3 62 12 3 63 SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SAVITCH SOE SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH SOFT SWITCH 59 Part 1 59 Part 2 59 Part 3 magicolor 2490MF 3 5 lt Troubleshooting Appendix 2 A 2 9 2 Adjustment Setting Troubleshooting T lt
16. PROTOCOL LIST scai criza adagia iii 137 magicolor 2490MF Maintenance i 3 5 lt Troubleshooting Appendix magicolor 2490MF 4 cS E lt Troubleshooting Appendix viii Field Service Ver 1 0 Jul 2006 11 10 FIXED ZOOM 139 11 11 FACTORY iaia dii 139 11 12 a 140 14 12 41 SRAM CLEAR d a a a 140 11 12 22 MEMORY CLEARi s a a aaa 140 12 SOFT SWITCH ot 141 12 1 Description saca aa 141 12 2 Default setiigi 141 12 2 1 Country for each marketing area 141 12 2 2 Soft switch 5 142 12 2 3 Default soft switch setting market 146 12 3 Softswitch definitions 2 Mana 168 12 3 1 SOFT SWITCH 12 3 2 SOFT SWITCH 12 3 3 SOFT SWITCH 12 3 4 SOFT SWITCH 12 3 5 SOFFSWITCH 12 3 6 SOFT SWITCH 12 37 SOFT SWITCH 12 3 8 SOFT SWITCH 12 3 9 SOFT SWITCH 12 3 10 SOFT SWITCH 12 3 11 SOFT SWITCH 12 3 12 SOFT SWITCH 12 3 13 SOFT SWITCH 12 3 14 SOFT SWIT
17. a 85 8 4 5 QUALITY asi pa cata 85 8 4 6 PAPER PRIORITY 86 8 5 FAX REGISTRATION i 86 8 5 1 ONE TOUCH DIAL 86 8 5 2 SPEED DIAL ana 86 8 5 3 GROUP DIAL pria 86 86 TXSETTING ciali 87 8 6 1 87 8 6 2 RESOLUTION msi sasea aan sa ea ga ai a aaa aaa aaa aaa 87 8 6 3 HEADER 8 7 RX SETTING magicolor 2490MF Maintenance i D 5 lt Troubleshooting Appendix magicolor 2490MF 92 4 iS E lt Troubleshooting Appendix Field Service Ver 1 0 Jul 2006 8 7 1 MEMORY RX sasea a ac al cata a aa 88 8 7 2 NO of RINGS 8 7 3 REDUCTION RX 8 7 4 RX PRINT ciba asia eat 8 7 5 RX 92 8 7 6 92 8 7 7 SELECT MRAV acilia 93 88 COMM SETTING 94 8 8 1 sci 94 8 8 2 LINE MONITOR 8 8 3 ciccia 94 80 252 95 8 91 Pe TIVITY REPORT seceta ce cca atata atata a a a a 95 8 9 2 REP ORM 95 8 9 9 RX RESULT REPORT 95 SO WUSER SEM TING isis cess sa oii aa
18. and their countermeasures etc APPENDIX Parts layout drawings connector layout drawings timing chart overall layout drawing are attached C 1 KONICA MINOLTA SERVICE MANUAL magicolor 2490MF Main Unit 2006 07 KONICA MINOLTA BUSINESS TECHNOLOGIES INC Ver 1 0 Revision history After publication of this service manual the parts and mechanism may be subject to change for improvement of their performance Therefore the descriptions given in this service manual may not coincide with the actual machine When any change has been made to the descriptions in the service manual a revised version will be issued with a revision mark added as required Revision mark To indicate clearly a section revised show to the left of the revised section A number within represents the number of times the revision has been made To indicate clearly a section revised show A in the lower outside section of the correspond ing page A number within A represents the number of times the revision has been made NOTE Revision marks shown in a page are restricted only to the latest ones with the 010 Ones deleted When a page revised in Ver 2 0 has been changed in Ver 3 0 The revision marks for Ver 3 0 only are shown with those for Ver Z79 deleted When a page revised in Ver 2 0 has not been changed in Ver 3 0 The revision marks for Ver 2 0 are left as they are 2006 07 1 0 Issue of the first edition
19. i at t al a a e aa a baga dag 128 11 5 1 TOTAL PRINT scac OD acacia a aaa tacea 128 11 5 2 TOTALSCAN i figo lia aa i a 128 11 53 aaa abea aa aaa aaa 128 11 5 4 JAM 128 11 55 128 11 6 DISPLAY ici 129 112621 MAN VER ici ta ata oc at atasa e aa cati aia 129 aa aaa 129 1195 aa a a d d i a 129 MAIN RAM SIZE aa cae a aaa 129 11 6 5 SERIAL sea cena aa aaa a aaa aaa aa 129 11 66 BBCPLD VER iata a cn aa a a a a ct ap a 129 11 6 7 NAND CODE VER sein ca ae aaa aaa a a aaa eee 129 11 7 FUNCTION asa aaa a ia Aa air 130 IZ PAPER FEED TES iasi aaa 130 117 2 PRINT TEST PATTERN scie cies ia a saca d a 130 11 7 3 ADF FEED TEST ta a a it d 131 11 7 4 COPY ADF GLASS 131 11 7 5 CCD MOVE TO HOME 131 11 26 FAX RES COPY TEST cisl ia alii 132 TEZI SCAN TES iii 132 11 85 SOET SWIITGIFIL 133 11 8 1 KEY DEFINITION FOR SOFT SWITCH eee eens 133 11 9 REPORT ta a a a i aaa 133 1191 SERVICE DATA LIST isaac ana ceea aa aaa caen aaa aaa aaa 133 11 9 2 ERROR CODE LIST ei ceia aaa c ca ca pa tt as ia ai ba aa 136 1 93 T 30
20. of Operation section and Field Service section to explain the main machine and its corresponding options Theory of Operation section gives as information for the CE to get a full understanding of the product a rough outline of the object and role of each function the relationship between the electrical system and the mechanical system and the timing of operation of each part Field Service section gives as information required by the CE at the site or at the cus tomer s premise a rough outline of the service schedule and its details maintenance steps the object and role of each adjustment error codes and supplementary information The basic configuration of each section is as follows However some options may not be applied to the following configuraticn lt Theory of Operation sectioii gt OUTLINE Explanation of system configuration product specifications unit configuration and paper path COMPOSITION CPERATION Explanation of configuration of each unit operating system and control system lt Fie d service section gt GENERAL Explanation of system configuration and product specifications MAINTENANCE Explanation of service schedule maintenance steps ser vice tools removal reinstallation methods of major parts and firmware version up method etc ADJUSTMENT SETTING Explanation of utility mode service mode and mechanical adjustment etc TROUBLESHOOTING Explanation of lists of jam codes and error codes

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