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Lexmark Optra SC 1275 Service Manual

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1. For the complete PDF manual SN please visit www LaserPros com Optra SC 1275 5040 001 Service Manual e Table of Contents e Start Diagnostics e Safety and Notices e Trademarks e Index e Manuals Menu LEXMARK First Edition January 1998 The following paragraph does not apply to any country where such provisions are inconsistent with local law LEXMARK INTERNATIONAL INC PROVIDES THIS PUBLICATION AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some states do not allow disclaimer of express or implied warranties in certain transactions therefore this statement may not apply to you This publication could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated in later editions Improvements or changes in the products or the programs described may be made at any time Publications are not stocked at the address given below requests for publications should be made to your point of purchase A form for reader s comments is provided at the back of this publication If the form has been removed comments may be addressed to Lexmark International Inc Department D22A 035 3 740 New Circle Road NW Lexington Kentucky 40550 U S A Lexmark may use or distribute any of the information you supply in any way it b
2. oooo 3 9 Heater Lamp Removal 3 10 Printhead Removal caius cw kp cee aaa a md 3 11 Paper Exit Removal osorno eas 3 12 High Voltage HV1 Sub High Voltage Board PWB F Removal soporta iras bE 25544404 SENS Bea 3 12 Shield Plate Removal WWW 3 13 Power Supply Removal oooccoooccocooo 3 13 Mechanical Control Board Removal 3 14 Power Supply Frame Removal 3 14 Printhead Frame Removal 3 15 Toner Empty Toner Cartridge Detecting Board PWB B A A Me kek Borge aide 3 16 Toner Cartridge Rack Removal 3 16 Mechanical Controller Board Frame Removal 3 19 Paper Size Cassette Detecting Board PWB E Removal 3 19 Paper Take Up Removal oooooooooooo 3 19 Suction Assembly Removal 3 25 Suction Fan Motor Removal 3 27 Locations 222222404 sc n a ee RR RU RR RE ERA 4 1 Pans or he PINE ud od pee coe kee ep dad Rr Rr dl d 4 1 Parts of the Printer sii secs co anh RE RR ERR 4 2 Su iat ad quie dad Ea Quidquid 4 6 Switches and Sensors IIIA eee 4 7 Gears and Rollers dus cEIEAG S p E RE 4 10 Electrical Components 4 12 COMBOS ou d pud a dE a deme Ca A eed bid 4 18 Printed Circuit Boards a 2 casui ree med raa 4 19 Parts Catalog WA 5 1 How to Use This Parts Catalog 5 1 HOUSING os aver ad Raw ir 5 2 gru row PEDE 5 6 O ANE E T E ANE ETE 5 1
3. 0 DIVE aua sr ta dd td 5 14 Papel Make Up Wie std us bd able cbe deae 5 18 Paper Take Up 2 3 0 cis cana uc Rn EY OR ERREUR RA 5 22 image Transfer Belt osuere ba 5 24 Image Transfer Belt wi EIA 5 26 Transter Adler acosador id 5 28 v Service Manual Bid cai afa dudit Rod ue abut A ea 5 34 USE UA UA on dT HUS ni Girl acad an ad 5 38 A deiude tern MC dte or aah sea wad aed 5 40 AS A A EROR Neck bac iir AKATAZA 5 42 INI oe trado aub Vibe E S TE bab aste SU eee d 5 44 Electrical alias oa ud a nea dE dada AAA 5 46 Second Cassette Tray 1 o ooooommooo 5 50 Third Cassette Tray 2 5 54 o rr 5 56 Gontraller CAIs 225 20424 20 dC Ro a eae ca 5 58 Dd Rede dee hoes MASE REREAD A ROSTER REAR O SS RS X1 For the complete PDF manual please visit www LaserPros com vi
4. EE Glenn Engine Text ee eee ee ee LCD Hardware Test isses 2 5 Button Test eee dd es s ME DRAM Memory Test pers odiei iata AD ROM Memory Test PA id quias abbia it ME DE Parallel Wrap Teste rris saisi ehe RR RES saani BED Serial Wrap Tests aa Input Tray Sensor Test AA pues A 5 Size Sensing Sensor Test Base Sensor Toth ai paraba ros 200 Quick Disk Check LiRECILRLEVETCEORR REIR eer DISK TESSA gt idad eens Setting the Page Count iewing the Permanent Page Count pd jing the Error Log eee oi ee Clearing the Error Log T Exiting Diagnostic Mode Test Page Site esse Print Quality Test Page Meme Repair Information Balb Sada Pabqes i qaia adt Precautions for Disassembly and Cleaning Instructions for Handling the PWBs with MOS ICs Precautions for Handling the Drum Cartridge daa desde Parts not to be touched kosine Qu Precautions for Handling the Laser Equipment cia 30 Adjustment Procedures F Registration Adjustment dar dar MO Rack Lever Solenoid Ausiment ud xad s MPANA Removal IIIA 9 5 Outer Cover Removals sons 3 5 Image Transfer Roller Removal 3 6 Drum Cartridge Removal 36 Waste Toner Bottle Removal 3 7 Image Transfer Belt Removal 3 7 Fuser Removal IAA Eno Ren sans 3 8 Oil Coating Roller Removal o
5. elieves appropriate without incurring any obligation to you Lexmark and Optra are trademarks of Lexmark International Inc registered in the United States and or other countries Other trademarks are the property of their respective owners Copyright Lexmark International Inc 1997 All rights reserved UNITED STATES GOVERNMENT RESTRICTED RIGHTS This software and documentation are provided with RESTRICTED RIGHTS Use duplication or disclosure by the Government is subject to restrictions as set forth in subparagraph c 1 ii of the Rights in Technical Data and Computer Software clause at DFARS 252 227 7013 and in applicable FAR provisions Lexmark International Inc Lexington KY 40550 PN 12C0855 Contents Notices and Safety Information viii E A ase m rnm doe RO RR SE RR ad viii Laser Advisory Label 2 uu 2dssscd duas Rd ss de ix Class 1 Laser Statement Label ix General Information 5 2 cree cde ee ere hh eee See REA 1 1 Maintenance Approach sisse oem menm 1 1 WOR bd er odio ea IA occu but de dora 1 1 Abbreviate sa doses essc Rr mea es rr ep d EXER EY 1 2 Paper Feed Operation i caussa eese eb xm mn RR RR 1 2 Drum Cartridge Toner Full Detection 1 6 Synchronizing Rollers idu ise lima dixe rh E 1 7 Paper Type Detection 1 8 Development E MR mm 1 10 Toner Empty Toner Cartridge Detection 1 10 AIDC Sensor and Erase La
6. mp 1 11 Diagnostic Information 2 1 A ase aie Qd n abu dd poo ah bud UE diui 2 1 Initial Check suec ec RR RR RR 2 1 Operator Error Message Table 2 2 StatusMessages 2 2 Line 1 Status MESSAGE 2 3 Line 2 MassageS IIIA 2 10 Supplies Status Messages 2 11 Attendance Messages 2 11 Service Error Message Table 2 26 Symptom Table aiu ena ceci eas nace nc eae 2 29 Sae Chee icc es sede eee Oi eee eds 2 33 Fuser Service Check 2 33 Developing Motor Service Check 2 34 Transport Motor Service Check 2 34 Image Transfer Belt Service Check 2 35 Paper Jam Service Check 2 35 Toner Cartridge Rack Service Check 2 38 Printhead Cooling Fan Service Check 2 39 Power Supply Cooling Fan Motor Service Check 2 39 Suction Fan Motor Service Check 2 39 AC Power Service Check 2 40 Marks on Paper Service Check 2 41 Image Quality Troubleshooting 2 42 iii Service Manual Sensor Service Check 2 47 Diagnostic s E OIM TS en a wap E Aen Ea SEEN Setting Printer Registration NEEE Pil TESS dao piba adc d wee 25 Quality Pages pond ee er eee ee

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