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4076-0WJ

Diagnostic Aids

20

Initialize Error Log

Use this procedure to reset the error log to zero. The paper sensor
must be open to perform this function. To do this, place a piece of
paper in the manual paper feed slot before you turn the machine on.
Resetting the error log allows you to track new errors. The error log
is especially helpful in diagnosing intermittent or difficult problems.

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Summary of Contents for WinWriter 100

Page 1: ... Lexmark and Lexmark with diamond design are trademarks of Lexmark International Inc registered in the United States and or other countries Table of Contents Index Safety and Notices Trademarks Start Diagnostics Manuals Menu ...

Page 2: ...in this publication 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 publi cation If the form has been removed comments may be addressed to Lexmark International Inc Department F95 035 3 740 New Circle Road Lexington Kentucky 40511 U S A Lex...

Page 3: ...ix Preface ix Safety Information x Sicherheitshinweise x Consignes De Securite x Norme Di Sicurezza xi Pautas De Seguridad xi Sikkerhedsoplysninger xi General Information 1 Power Consumption 1 Maintenance Approach 1 Abbreviations 2 Unique Tools Required For Service 2 Diagnostic Information 3 Start 3 Error Indicator Table 4 Power on self test POST Sequence 5 POST Symptom Table 5 Symptom Tables 6 Ca...

Page 4: ... Removal Procedures 23 Releasing Plastic Latches 23 Auto Sheet Feed ASF Removal 24 ASF Envelope Buckler And Pick Roller Hub Removal 24 ASF Right And Left Edge Guide Assemblies Removal 25 ASF Paper Load Lever Removal 25 Carrier Removal 25 Carrier Transport Belt Removal 26 Carrier Guide Removal 26 Carrier Transport Motor Removal 26 Carrier Transport Motor Frame Removal 27 Code Module Removal 27 Enco...

Page 5: ...Removal 36 System Board Removal 37 Top Cover Removal 38 Connector Locations 39 System Board Connectors 39 Preventive Maintenance 41 Lubrication Specifications 41 Parts Catalog 42 How To Use This Parts Catalog 42 Assembly 1 Covers 43 Assembly 2 Frames 45 Assembly 3 Paper Feed 47 Assembly 3 Paper Feed Cont 49 Assembly 4 Electronics 51 Assembly 4 Electronics Cont 53 Assembly 4 Electronics Cont 55 Ass...

Page 6: ...s Commission FCC Statement This printer has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the in...

Page 7: ...s B com puting device use a properly shielded and grounded IBM cable Part numbers for the various interface cables are part number 1525612 for parallel interface and part number 8509386 for serial interface Use of a substitute cable not properly shielded and grounded may result in violation of FCC regulations Canadian Department Of Communications Compliance Statement This equipment does not exceed...

Page 8: ... Council directive 89 336 EEC on the approximation of the laws of the Member States relating to electromagnetic compatibil ity Germany A declaration of conformity with the requirements of the Directive has been signed by the Director of Manufacturing and Technical Support Lexmark International Ltd Boigny France This product satisfies the Class B limits of EN 55022 ...

Page 9: ...ation contains a general description of the printer and the maintenance approach used to repair it Special tools and test equipment are listed in this chapter as well as general environmental and safety instructions 2 Diagnostic Information contains error code table symp tom table and service checks used to isolate failing field replaceable units FRUs 3 Diagnostic Aids contains tests and checks us...

Page 10: ...eren benuetzt werden Zusaetzliches Risiko eines elektrischen Schlags und koerperlicher Verletzung existiert waehrend des Auseinandernehmens und der Wartung des Geraets Fachpersonal sollte im vollen Verstaendnis der Lage entsprechende VorsichtsmaBnahmen ergreifen Ersatzteile muessen gleiche oder gleichwertige Merkmale wie die Originalteile aufweisen da Sicherheitsvorkehrungen nicht immer offensicht...

Page 11: ...o para cualquier otro usuario Existen mayores riesgos de descargas electricas y danos personales durante el desmontaje y la reparacion de la maquina El personal cualificado comprende esto y toma las precauciones necesarias Los dispositivos de seguridad de algunas partes quiza no siempre puedan ser reconocidas a simple vista Por lo tanto las partes de reemplazo deben poseer caracteristicas identica...

Page 12: ...ell as envelopes and other media using an integrated automatic sheet feeder and manual insert tray Power Consumption Less than 2 Watts power off and power to the printer 7 5 Watts Idle Mode power on not printing 12 Watts Printing average 25 Watts Printing peak Maintenance Approach The diagnostic information in this manual will lead you to the correct field replaceable unit FRU or part Use the erro...

Page 13: ...timulated Emission of Radiation LCD Liquid Crystal Display LED Light Emitting Diode LVPS Low Voltage Power Supply MAP Maintenance Analysis Procedures NVRAM Nonvolatile Random Access Memory OEM Original Equipment Manufacturer PC Photoconductor PCA Printed Circuit Assemblies PICS Problem Isolation Charts PIXEL Picture Element POST Power On Self Test PQET Print Quality Enhancement Technology PSO Prin...

Page 14: ... indicator go to Power on self test POST Sequence on page 5 If an error indicator appears while you are working on the machine go to the error indicator table and take the indicated action for that error The printer also logs the last occurring error If you think you may have an intermittent error or the error indicator lights have been cleared you can retrieve the error from the Test Page printou...

Page 15: ...Replace the Code Module and or system board 79 9 Replace the Code Module and or the system board 80 2 Go to the Maintenance Station Service Check on page 9 81 1 Go to the Transport Service Check on page 17 85 3 Go to the Transport Service Check on page 17 89 4 Go to the Transport Service Check on page 17 90 5 Go to the Transport Service Check on page 17 127 and up 10 Go to the Maintenance Station ...

Page 16: ...e Symptom Tables on page 6 locate your symptom and take the indicated action If your machine does not complete POST locate your symptom in the following table and take the indicated action POST Symptom Table Symptom Action No Power On light and no motors run Go to the Power Service Check on page 14 Feeds paper Go to the First Print Line Service Check on page 8 Paper feed gears do not turn Go to th...

Page 17: ...nt Carrier stops Go to the Transport Service Check on page 17 SYMPTOM ACTION Printer not communicating with host Go to the Parallel Port Service Check on page 14 SYMPTOM ACTION Maintenance station doesn t move Fails to cap the print head Fails to clean the print head Go to the Maintenance Station Ser vice Check on page 9 SYMPTOM ACTION Panel light s not working Panel button s not working Power Lig...

Page 18: ...elopes fail to feed Go to the Envelope Feed Service Check on page 8 Paper skews Go to the Paper Path Service Check on page 13 SYMPTOM ACTION No power in machine no Power On light no motors Go to the Power Service Check on page 14 SYMPTOM ACTION Voids in characters Light print Prints off the page Prints satellites Carrier moves but does not print Print head drying out prema turely Vertical alignmen...

Page 19: ...are against the envelopes Go to and perform the Paper Feed Service Check on page 10 FRU OR PROCEDURE ACTION 1 End of Forms Flag Check the flag for binds or damage 2 End of Forms Sensor Check the sensor for dirt 3 System Board If the paper does not stop at the first writing line replace the system board 4 Feed Arm Assembly Check all parts of the feed arm assembly for binds wear or damage 5 Operator...

Page 20: ...using If you find a shorted pin replace the maintenance drive assembly If the symptom remains replace the system board A bind in the drive assembly can pre vent the motor from turning Check for binds and loose or worn parts in the drive assembly Also check the motor gear 2 System Board Turn the printer off and disconnect J4 from the system board Turn the machine on and check for a pulse of 15 V dc...

Page 21: ...f the carrier guide is on top of the paper guide FRU OR PROCEDURE ACTION 1 Power Supply Disconnect J11 from the system board and check the following volt ages on the power supply cable J11 1 to GND 5V dc J11 3 to GND 24 V dc If you do not have correct voltage replace the power supply Be sure to unplug the machine before you recon nect the power supply to the system board 2 System Board Turn the pr...

Page 22: ...er on the system board A bind in the paper feed mechanism Check for 100 ohms 20 ohms between the following pins on the motor Pin 1 to Pin 4 Pin 2 to Pin 4 Pin 3 to Pin 5 Pin 3 to Pin 6 If the readings are incorrect replace the motor Check for motor pins shorted to the motor housing If you find a shorted pin replace the motor If the failure remains replace the sys tem board Although the paper feeds...

Page 23: ...s to drop off the notch check the feed arm assembly for binds and worn or broken parts 5 Auto Sheet Feeder Check the following for wear or dam age Pick Rollers Envelope Bucklers All parts inside the left and right edge guides 6 End of Forms Flag Check for binds or damage 7 Star Rollers Check for worn or binding rollers Check for broken star roller springs 8 Ejectors After the paper exits from the ...

Page 24: ...ear and binds 2 Large Feed Roller Springs Check for damage 3 Auto Sheet Feeder Check the following for wear or dam age Envelope Bucklers All parts inside the left and right edge guides 4 End of Forms Flag Check for binds or damage 5 Exit Roller Check for wear or binds 6 Star Rollers Check for wear or binds Check for broken star roller springs 7 Ejectors After the paper exits from the exit roll ers...

Page 25: ...e sure to unplug the machine before you recon nect the power supply to the system board 2 Operator Panel With the machine unplugged and the power button depressed check for 0 ohms at J10 2 on the front of the operator panel connector If the read ing is incorrect check the operator panel cable for continuity If the cable has continuity replace the operator panel 3 Print Head Cable Parallel Cable Tu...

Page 26: ...ozzles are not working Run the test again to verify the failure If there are even breaks in the diagonal line similar to the pattern shown below replace the system board If there is a single break or random breaks in the diagonal line check the following Print head cable check the gold plated contacts on the end of the cable that connects to the carrier for dirt and wear Use only a clean dry cloth...

Page 27: ...ness Gears for wear or binds Paper path for obstructions Star rollers for binds or dirt The exit roller and star rollers keep tension on the paper by moving slightly faster than the feed rollers A bind ing star roller can put vertical marks on the paper 6 Transport Blurred print and voids can be caused by problems in the transport area Check the following Transport belt for wear Carrier guide and ...

Page 28: ...ween J6 1 and ground and between J6 2and ground on the system board as the machine goes through POST 3 Carrier Rod Clean the carrier rod Note Do not lubricate the rod or the carrier rod bearings 4 Transport Belt Carrier Guide or Rod Idler Pulley Parts Cable Clip Check for worn loose or broken parts Check for obstructions blocking carrier movement 5 Encoder Strip Check for wear and dirt 6 Print Hea...

Page 29: ... test prints a test page followed by a shortened version of the test page The first line is the code level and code level date The next line is the print cartridge nozzle pattern The six black lines are the purge pattern These tests are used to verify all print cartridge nozzles are working There should be no breaks in the diagonal line A break in the diagonal line indicates one or more nozzles ar...

Page 30: ... the test This test performs a wrap around test between the printer parallel port and the parallel port test connector If the test is successful the power on light flashes If the test is not successful the power on light remains off Encoder Sensor Test The printer motors are disabled during this test to allow you to man ually move the carrier to verify the encoder is working correctly The power on...

Page 31: ...ero The paper sensor must be open to perform this function To do this place a piece of paper in the manual paper feed slot before you turn the machine on Resetting the error log allows you to track new errors The error log is especially helpful in diagnosing intermittent or difficult problems J12 ...

Page 32: ...t the ESD wrist strap on your wrist Connect the wrist band to the system ground point This discharges any static electricity in your body to the machine Hold the ESD sensitive part by its edge connector shroud cover do not touch its pins If you are removing a pluggable module use the correct tool Do not place the ESD sensitive part on the machine cover or on a metal table if you need to put down t...

Page 33: ...e diskette drive Type the letter of the drive colon and adjust For example a adjust 4 A page loads and the bi directional alignment pattern prints The pattern consists of three lines of vertical bars The bars are aligned when the adjustment is correct The following sample requires the center vertical bars to be moved to the right 5 Follow the directions on the menu and move the center bar to line ...

Page 34: ...hen there is artwork to support a procedure it follows the text Releasing Plastic Latches Many of the parts are held in place with plastic latches To remove such parts press the hook end of the latch away from the part to which it is latched The latches break easily Release them carefully Never apply excessive force when releasing the hook Hook ...

Page 35: ...move it from the machine When you reinstall the auto sheet feed be sure the feed arm assem bly is vertical with the feed pawl at the top ASF Envelope Buckler And Pick Roller Hub Removal 1 Remove the ASF 2 Remove the inside C clip from the pick roller shaft and pull the shaft to the right far enough to remove the envelope bucklers and pick rollers 3 Remove the pick roller hubs from the bucklers A A...

Page 36: ...emove the auto sheet feed assembly 2 Pull the paper load lever knob from the load lever 3 Remove the auto sheet feed right side cover by prying up the slots in the rear 4 Remove the paper load lever from the mounting stud Carrier Removal 1 Remove the top cover 2 Remove the print cartridge 3 Disconnect the print head cables from the system board 4 Move the carrier in line with the opening in the ca...

Page 37: ...e carrier guide without removing the covers if you carefully follow this procedure 1 Open and remove the access cover 2 Remove the print cartridge 3 Rotate the carrier guide rod top to rear to unlock the rod latches With the carrier centered carefully release the 2 carrier guide rod latches and lift the shaft slightly 4 Unlatch the 2 carrier guide latches by pushing to the rear 5 Gently push the c...

Page 38: ...ip Remove the carrier guide rod through the opening in the left side frame Be careful not to damage the encoder strip A latch on the top front end of each side frame holds the transport motor frame in place Push up the latches on the front of the side frames and pivot the carrier transport motor frame down and out of the side frames Code Module Removal 1 Remove the top cover 2 Disconnect the print...

Page 39: ...eated on the left mounting peg End of forms Flag Removal 1 Remove the top cover 2 Remove the ASF 3 Open the print head cable connectors at the system board and disconnect the cables 4 Disconnect connectors J4 J5 and J6 from the system board 5 Remove the machine from the base To do this unlatch the 4 base frame latches Lift the machine from the base and set it on its front with the bottom facing yo...

Page 40: ...om the system board Remove the machine from the base To do this push the frame latches out as you lift the machine from the base Set the machine aside 4 Place the machine on its front with the bottom facing you 5 Disconnect the 3 springs from the bottom of the middle frame assembly 6 Remove the large feed roller assembly Left Side Frame Removal 1 Remove the top cover 2 Remove the print cartridge 3...

Page 41: ... front of the side frames then pivot the carrier transport motor frame down and out of the side frames 14 Place the machine on its back and push the left side frame latch to the rear and remove the frame from the machine When you reinstall the paper guide be sure the front edge goes under the rear of the carrier guide If the paper guide is on top of the carrier guide push down the front bottom edg...

Page 42: ...8 Remove the left side frame 9 Remove the exit shaft 10 Remove the small feed roller shaft 11 Remove the large feed roller shaft and springs 12 Remove the end of forms flag 13 Remove the right side frame 14 Remove the maintenance station Operator Panel Removal 1 Remove the top cover 2 Remove the 3 operator panel mounting screws 3 Remove the operator panel Outside Idler Gears Removal 1 Remove the t...

Page 43: ...ove the auto sheet feed 3 Disconnect the print head cables from the system board 4 Pull the ends of the print head cables into the machine then remove the cables from the 4 retainers in the paper guide start ing from the right 5 Disengage the left paper guide latch by carefully moving the rear of the left side frame to the left 6 Disengage the right side of the paper guide from the latch and lift ...

Page 44: ...om the system board 3 Disconnect connectors J4 J5 and J6 from the system board 4 Remove the machine from the base To do this push the frame latches out as you lift the machine from the base Set the machine aside 5 Disconnect the power supply cable from the system board 6 Remove the 4 power supply mounting screws and remove the power supply NOTE The fuse on the power supply is for safety pur poses ...

Page 45: ...ier 5 Remove the pointer from the front of the carrier 6 Remove the 2 sensor mounting screws 7 Push down the 2 latches that secure the cradle to the carrier and pull the cradle up from the carrier 8 Remove the print head cable from the alignment pins The new cable comes without the folds in it Place the new cable next to the old cable and fold the new cable in the appropriate places A ...

Page 46: ...he encoder strip 10 Pull the ends of the print head cables into the machine then remove the cables from the 4 retainers in the paper guide start ing from the right 11 Disengage the left paper guide latch by carefully moving the rear of the left side frame to the left 12 Disengage the right side of the paper guide from the latch and lift the guide from the machine 13 A latch on the top front end of...

Page 47: ...feed roller assembly to the left and lift it out of the machine Star Roller Removal 1 Remove the top cover 2 Move the carrier in line with the opening on the carrier transport motor frame 3 Reach through the opening and pull the belt from the carrier 4 Rotate the carrier guide rod top to rear to unlock the rod latches Gently push the carrier guide rod latches at each end of the rod to the rear and...

Page 48: ... from the system board Remove the machine from the base To do this push the frame latches out as you lift the machine from the base Set the machine aside 4 Disconnect the power supply cable from the system board 5 Remove the 6 system board mounting screws and remove the system board 6 Run a test page to check the bi directional alignment adjust ment ...

Page 49: ...down 4 Pull the rear cover out until the latches clear the top cover then lift the cover off the base 5 Turn the machine around to the front and pull the paper tray for ward 6 Pull the top cover forward until it stops Be sure the paper release lever clears the slot in the top cover The operator panel cable is still connected so carefully lift the cover off the base 7 Set the cover down in front of...

Page 50: ...ons 39 4076 0WJ Connector Locations 9 This chapter shows the locations of major printer assemblies con nectors and ground straps System Board Connectors J9 U20 J12 S1 U23 J7 J1 J2 1 1 1 1 J11 J6 J5 J4 J10 1 1 1 CE TP 1 ...

Page 51: ...ocations 40 Connector Connector Names J1 Print Head Cable J2 Print Head Cable J4 Maintenance Motor J5 Paper Feed Motor J6 Transport Motor J9 Parallel Port J10 Operator Panel J11 Power Supply J12 Test Jumper U20 Code Module ...

Page 52: ...s Use no 23 grease to lubricate the following All gear mounting studs The right end of the exit roller at the right side frame The right end of the small feed roller at the right side frame The left end of the large feed roller at the left side frame Both ends of the ASF pick roll shaft at the ASF side frames Transport belt idler pulley hole Inside surface of the transport idler pulley tension wed...

Page 53: ...ecommended in the Units column indicates that the part is procurable but not recommended for field replacement and that the next higher assembly should be ordered R Restricted in the Units column indicates that the part has a restricted availability NS Not Shown in the Asm Index column indicates that the part is procurable but is not pictured in the illustration INDENTURE The indenture is marked b...

Page 54: ...4076 0WJ 43 Assembly 1 Covers 2 6 5 3 1 4 7 8 9 ...

Page 55: ...on 1 1 1367099 1 Top Cover 2 1367487 1 Access Cover Asm 3 1367486 1 Font Card Door 4 1367479 1 Rear Cover 5 1367493 1 Left Output Guide 6 1374401 1 Logo 7 1 Screw Parts Packet 1367169 8 1 Washer Parts Packet 1367169 9 1374409 1 Microsoft at Work Label ...

Page 56: ...4076 0WJ 45 Assembly 2 Frames 2 3 4 1 6 5 7 ...

Page 57: ... Number Units Description 2 1 1367489 1 Base Asm 2 1367209 1 Left Side Frame 3 1367219 1 Middle Frame Asm 4 1367229 1 Right Side Frame 5 1367309 1 Carrier Transport Motor Frame 6 1367199 1 Exit Tray Asm 7 1367079 1 Carrier Guide ...

Page 58: ...4076 0WJ 47 Assembly 3 Paper Feed 4 6 7 9 8 1 2 3 5 ...

Page 59: ...179 1 Paper Release Lever 2 2 Bushing Parts Packet1367169 3 1367339 1 Paper Guide 4 1367279 1 Small Feed Roller Asm 5 1367289 1 Exit Roller Asm 6 1367266 1 Ejector B M 7 3 Spring Parts Packet1367169 8 1367049 1 End of Forms Flag 9 1367269 1 Large Feed Roller Asm ...

Page 60: ...4076 0WJ 49 Assembly 3 Paper Feed Cont 11 13 12 11 10 14 ...

Page 61: ...4076 0WJ 50 Asm Index Part Number Units Description 3 10 1367239 1 Paper Feed Motor Asm 11 1367249 1 Gears B M 12 1367259 1 Feed Arm Asm 13 2 C Clip Parts Packet 1367169 14 2 Screw Parts Packet 1367169 ...

Page 62: ...4076 0WJ 51 Assembly 4 Electronics 4 5 4 3 2 1 8 6 7 9 10 11 ...

Page 63: ...a 7 1342534 1 Power Cord Chile 7 1342514 1 Power Cord Columbia 7 1342514 1 Power Cord Costa Rica 7 1339525 1 Power Cord Denmark 7 1342514 1 Power Cord Ecuador 7 1342514 1 Power Cord El Salvador 7 1339520 1 Power Cord Finland 7 1339520 1 Power Cord France 7 1339520 1 Power Cord Germany 7 1339520 1 Power Cord Greece 7 1342514 1 Power Cord Guatemala 7 1342514 1 Power Cord Honduras 7 1339520 1 Power C...

Page 64: ...4076 0WJ 53 Assembly 4 Electronics Cont 4 5 4 3 2 1 8 6 7 9 10 11 ...

Page 65: ...frica 7 1339520 1 Power Cord Spain 7 1339520 1 Power Cord Sweden 7 1339522 1 Power Cord Switzerland 7 1339520 1 Power Cord Turkey 7 1339519 1 Power Cord United Kingdom 7 1342536 1 Power Cord Uruguay 7 1342514 1 Power Cord Venezuela 8 1374399 1 Code Module 9 1374327 1 Ground Plane 10 1374328 1 ESD Shield NS 1 Jumper 2 Pin Parts Packet 1367169 ...

Page 66: ...4076 0WJ 55 Assembly 4 Electronics Cont 13 10 11 9 12 ...

Page 67: ...76 0WJ 56 Asm Index Part Number Units Description 4 9 1374403 1 Operator Panel Card 10 1374404 1 Operator Panel Cable 11 3 Screw Parts Packet 1367169 12 1374408 1 Power Button 13 1374406 1 Op Panel Cover ...

Page 68: ...4076 0WJ 57 Assembly 5 Carrier 3 1 4 6 1 2 5 ...

Page 69: ...s Description 5 1 1367299 1 Print Head Carrier Asm 2 1367149 1 Cable Print Head 3 2 Screw Parts Packet 1367169 4 1367109 1 Rubber Backer 5 1367089 1 Guide Rod Carrier 6 1 Clip Parts Packet 1367169 NS 1374338 1 Toroid Non Western Hemisphere ...

Page 70: ...4076 0WJ 59 Assembly 6 Carrier Transport 1 2 4 5 3 6 7 ...

Page 71: ...dex Part Number Units Description 6 1 1367319 1 Motor Asm 2 2 Screw Parts Packet 1367169 3 1367359 1 Belt 4 1367379 1 Encoder Strip 5 1367349 1 Star Roller Asm 6 5 Spring Parts Packet 1367169 7 1367329 1 Idler Pulley B M ...

Page 72: ...4076 0WJ 61 Assembly 7 Auto Sheet Feed 6 13 5 2 10 3 9 14 1 11 10 12 4 8 7 ...

Page 73: ...er Support 4 1367469 1 Pick Roll and Paper Load Shaft B M 5 1367463 1 Pick Roll Hub Asm 6 1367449 1 Left Side Cover 7 1367459 1 Right Side Cover 8 1367029 1 Paper Load B M 9 1367019 1 Envelope Buckler B M 10 1367396 1 Side and Back Plate B M 11 1367249 1 Gears B M 12 2 E Ring Parts Packet 1367169 13 4 Screw Parts Packet 1367169 14 1367429 1 Manual Insert Tray ...

Page 74: ...4076 0WJ 63 Assembly 8 Maintenance Station 3 1 4 2 ...

Page 75: ...4076 0WJ 64 Asm Index Part number Units Description 8 1 1367369 1 Rocker Asm 2 1367399 1 Drive Asm 3 1367389 1 Wiper and Cap B M 4 2 Screw Parts Packet 1367169 ...

Page 76: ...ent Adjustment 22 C Carrier Belt Removal 26 Carrier Guide Removal 26 Carrier Removal 25 Carrier Transport Belt Removal 26 Carrier Transport Motor Frame Removal 27 Carrier Transport Motor Removal 26 Carrier Transport Problems 6 Code Module Removal 29 Communications Problem 6 Connector Locations 39 D Diagnostic Information 3 E Encoder Strip Removal 28 End of forms Flag Removal 28 Envelope Feed Servi...

Page 77: ...nel Service Check 10 Outside Idler Gears Removal 31 P Paper Feed Problems 7 Paper Feed Service Check 10 Paper Path Service Check 13 Parallel Port Service Check 14 Parts Catalog 42 Plastic Latches 23 POST Sequence 5 POST Symptom Table 5 Power Consumption 1 Power Problems 7 Power Service Check 14 Power on self test 5 Power on self test Post Sequence 5 Preventive Maintenance 41 Print Quality Problems...

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