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Diagnostic Aids 3-4

4090-001

Paper Sensor Test

This test checks the paper sensor on the system board.

During the test, the power light remains on. The Busy light reflects
the paper sensor status in the following manner:

•

On - paper is in sensor

•

Off - paper is not in sensor

To run the test:

1. Turn the printer off and place a two pin jumper on connector J6

as shown below. (Pins 3 & 4)

2. Press and hold the Paper Feed

button while turning the

printer on, to start the test. Release the button when the printer
completes POST. Turn power off or unplug the printer to stop
the test.

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Содержание 2070 Color Jetprinter

Страница 1: ...2070 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 ...

Страница 2: ...ocked at the address given below requests for publications should be made to your point of purchase Comments may be addressed to Lexmark International Inc Department D22A 035 3 740 New Circle Road Lexington Kentucky 40550 U S A Lexmark may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you Lexmark is a trademark of Lexmark...

Страница 3: ...ST Sequence 2 2 POST Symptom Table 2 3 Symptom Tables 2 4 Service Checks 2 6 Envelope Feed Service Check 2 6 First Print Line Service Check 2 6 Maintenance Station Service Check 2 7 Paper Feed Service Check 2 8 Paper Path Service Check 2 10 Parallel Port Service Check 2 11 Power Service Check 2 11 Print Quality Service Check 2 12 Transport Service Check 2 14 Diagnostic Aids 3 1 Encoder Sensor Test...

Страница 4: ...ge Outside Gear Removal 4 11 Left Side Frame Assembly Removal 4 12 Maintenance Station Assembly Removal 4 13 Maintenance Wipers and Caps Removal 4 13 Manual Insert Tray Removal 4 13 Mid Frame Assembly Removal 4 13 Paper Feed Motor Removal 4 14 Paper Guide and EOF Flag Assembly Removal 4 14 Paper Load Door Removal 4 16 Pick Roll Hub Shaft and Envelope Bucklers Removal 4 16 Power Supply Removal 4 16...

Страница 5: ...s Catalog 7 1 How To Use This Parts Catalog 7 1 Assembly 1 Covers 7 2 Assembly 2 Frames 7 4 Assembly 3 Paper Feed 7 6 Assembly 4 Electronics 7 8 Assembly 5 Carrier 7 12 Assembly 6 Carrier Transport 7 14 Assembly 7 Sheet Feeder 7 16 Assembly 8 Maintenance Station 7 18 Index 1 ...

Страница 6: ... installing FRUs 5 Connector Locations uses illustrations to identify the connector locations and test points on the printer 6 Preventive Maintenance contains the lubrication specifications and recommendations to prevent problems 7 Parts Catalog contains illustrations and part numbers for indi vidual FRUs Safety Information The maintenance information for this product has been prepared for use by ...

Страница 7: ... démontage et l entretien de ce produit pouvant présenter certains risques électriques le personnel d entretien qualifié devra prendre toutes les précautions nécessaires Les normes de sécurité de certaines pièces n étant pas toujours explicites les pièces de rechange doivent être identiques ou conformes aux caractéristiques des pièces d origine Norme di sicurezza Le informazioni riguardanti la man...

Страница 8: ...ale og bør derfor ikke benyttes af andre Risikoen for elektrisk stød øges under demontering og service af dette produkt hvorfor der bør tages de nødvendige forholdsregler Sikkerhedsforanstaltningerne er ikke altid lige åpenbare for alle reservedele Der bør derfor kun anvendes originale reservedele eller reservedele med samme egenskaber som de oprindelige Informações de Segurança As informações de ...

Страница 9: ...4090 001 Preface ix Chinese Safety Information Korean Safety Information ...

Страница 10: ...f 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 leads you to the correct field replaceable unit FRU or part Use the error indicator charts symptom index service checks and diagnostic aids to determine the symptom and repair the failure Begin with Start on page 2 1 Th...

Страница 11: ...g P N 1319128 CE Customer Engineer CSU Customer Setup ESD Electrostatic Discharge FRU Field Replaceable Unit HVPS High Voltage Power Supply LED Light Emitting Diode LVPS Low Voltage Power Supply NVRAM Nonvolatile Random Access Memory OEM Original Equipment Manufacturer POST Power On Self Test V ac Volts alternating current V dc Volts direct current ZIF Zero Insertion Force ...

Страница 12: ...ction Unplug the printer to clear the error indicator If an error indicator appears 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 it may have an intermittent error or the error indicator lights have been cleared you can retrieve the error 1 Run the Print NVRAM Contents on page 3 6 The last error appears at t...

Страница 13: ...rn 5 All motors stop and the power light stays on If your printer completes POST with no errors go to the Symptom Tables on page 2 4 locate the symptom and take the indicated action Error Code Number of Power Light Flashes Action 64 65 7 Replace the Code Module and or system board 66 78 6 Replace the Code Module and or system board 79 9 Replace the Code Module and or system board 81 1 Go to the Tr...

Страница 14: ...rs run Go to the Power Service Check on page 2 11 Power light but no busy light Replace the system board Feeds paper Go to the First Print Line Service Check on page 2 6 Paper feed gears do not turn Go to the Paper Feed Service Check on page 2 8 Carrier doesn t move Go to the Transport Service Check on page 2 14 Carrier slams side frame Go to the Transport Service Check on page 2 14 ...

Страница 15: ...r movement Carrier stops Carrier slams side frame Go to the Transport Service Check on page 2 14 Symptom Action Printer not communicating with host computer Go to the Parallel Port Service Check on page 2 11 Symptom Action Fails to cap the printhead Fails to clean the printhead Go to the Maintenance Station Service Check on page 2 7 Symptom Action Paper feed button does not operate Replace the sys...

Страница 16: ...8 Envelopes fail to feed Go to the Envelope Feed Service Check on page 2 6 Paper skews Go to the Paper Path Service Check on page 2 10 Symptom Action No power in printer no Power light no motors Go to the Power Service Check on page 2 11 Symptom Action Voids in characters Light print Prints off the page Fuzzy print Carrier moves but does not print Printhead drying prematurely Vertical alignment of...

Страница 17: ...s Be sure the envelope guides are against the envelopes Perform the Paper Feed Service Check on page 2 8 FRU 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 Perform the Paper Sensor Test on page 3 4 to check the end of forms sensor on the system board 4 Feed Arm Assembly Check all parts of the feed arm assembly for binds ...

Страница 18: ...t to the left will uncap the printheads The wipers clean the printhead nozzles as the carrier leaves the maintenance station The wipers clean the printheads only when the carrier is moving to the left There should be no wiping action of the printhead nozzles when the carrier is moving to the right After the cleaning operation is complete a tab on the maintenance station engages a tab on the carrie...

Страница 19: ...tions Be sure there is not too much paper in the sheet feeder Be sure the correct type of paper is being used Check for static in the paper FRU Action 1 System Board With J5 disconnected and power on check for 30 V dc between J5 1 and ground and between J5 2 and ground on the system board If the voltage is not present check for motor pins shorted to the motor housing If you find a shorted pin repl...

Страница 20: ...e direction only replace the system board Binds in the paper feed motor or gear train can cause intermittent false paper jam errors Remove the paper feed motor and check the shaft for binds Also check for loose or worn motor gear 3 Gears Check for binds in the gear train and paper feed mechanism by rotating the large feed roll by hand If you notice a bind isolate it by removing one of the small id...

Страница 21: ...he paper Be sure the correct type of paper is being used Be sure the printer is installed on a flat surface FRU Action 1 Large and Small Feed Rollers Check for wear and binds 2 Small Feed Roller Springs Paper Guide Paper Flap Check for damage 3 Exit Rollers Star Rollers Exit Drive Belt Check for wear and binds 4 Sheet Feeder Check the following for wear or damage Pick Rollers Envelope Bucklers All...

Страница 22: ...ND 30 V dc J3 5 to GND 13 5 V dc J3 6 to GND 5 V dc J3 8 to GND 5 V dc If you do not have correct voltage replace the power supply Be sure to unplug the printer before you reconnect the power supply to the system board 3 Printhead Cable Parallel Cable Encoder Card Turn off the printer Disconnect one of the printhead cables and turn on the printer Look for a symptom change Check the failing part fo...

Страница 23: ...e 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 Check the gold plated contacts on the end of the cable that connect to the carrier for dirt and wear Use only a clean dry cloth to clean the contacts Also check the cable for damage You may need to remove th...

Страница 24: ... transport area Check the following Transport belt for wear Carrier guide rod for wear or dirt Carrier to carrier frame engagement should be lubricated with grease P N 1329301 Do not lubricate the carrier guide rod or carrier bearing surfaces Idler pulley parts for wear damage or looseness Encoder strip for wear or dirt 7 Alignment Uneven vertical lines can be adjusted by performing the bidirectio...

Страница 25: ...4 1 and ground as the printer goes through POST 3 Carrier Guide Rod Clean the carrier rod Note Do not lubricate the rod or the carrier rod bearing surface 4 Transport Belt Idler Pulley Parts Carrier Frame Check for worn loose or broken parts Check for obstructions blocking carrier movement Carrier to carrier frame engagement should be lubricated with grease P N 1329301 5 Encoder Strip Check for we...

Страница 26: ...ton while turning the printer on Release the button when the printer completes POST Procedure 2 Turn the printer off Use a two pin jumper on connector J6 as indicated then turn the printer on The test begins when the power button is pressed Note You can use the two pin jumper on J7 to perform the tests Remember to return the jumper to J7 when the test is finished A two pin jumper is also available...

Страница 27: ...t With no carrier movement the busy light indicates the direction of the last move If the test fails power off the printer and remove the carrier assembly without unplugging the printhead cable Power on the printer and check for 5 V dc at pins 1 2 and 3 of the encoder card connector 1 If voltage is not present check the printhead cable for opens to the encoder card If the printhead cable is good r...

Страница 28: ... especially helpful in diagnosing intermittent or difficult problems To run the test 1 Turn the printer off and place a two pin jumper on connector J6 as shown below Pins 1 2 2 Place a sheet of paper in the manual feed slot and press and hold the paper feed button Errors stored in NVRAM are erased Turn power off or unplug the printer to stop the test ...

Страница 29: ...nsor status in the following manner On paper is in sensor Off paper is not in sensor To run the test 1 Turn the printer off and place a two pin jumper on connector J6 as shown below Pins 3 4 2 Press and hold the Paper Feed button while turning the printer on to start the test Release the button when the printer completes POST Turn power off or unplug the printer to stop the test ...

Страница 30: ...ap plug Install the wrap plug in the parallel port before you start the test To run the test 1 Turn the printer off and place a two pin jumper on connector J6 as shown Pins 3 4 2 Attach the wrap plug to the parallel port 3 Turn the printer on The power light blinks while the test runs The busy light turns on if the test is successful The busy light blinks or turns off if the test fails ...

Страница 31: ...a piece of paper in the manual paper slot 2 Press and hold the Paper Feed button while turning the printer on Release the button when the printer completes POST The test prints English for easy recognition The following appears on the right side of the printout Device ID The following appears below the printout Code Level Last Error Page Count Code Level Date ...

Страница 32: ...nd a color print cartridge in the right side To enter the test 1 Turn the printer off 2 Ensure the manual paper slot is empty 3 Press and hold the Paper Feed button while turning the printer on Release the button when the printer completes POST The test page will contain the following Code level and date Nozzle test pattern for both cartridges Bidirectional alignment pattern Vertical and horizonta...

Страница 33: ...furniture Put 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 printer 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 cor rect tool Do not place the ESD sensitive part on the printer cover or on a metal table if you need ...

Страница 34: ...ing procedures are arranged according to the name of the printer part discussed Unplug the power cord before removing any parts Releasing Plastic Latches Many of the parts are held in place with plastic latches The latches break easily release them carefully To remove such parts press the hook end of the latch away from the part to which it is latched Never apply excessive force when releasing the...

Страница 35: ...nce station assembly Pull up the right side of the mid frame assembly and pull forward and remove the maintenance station assembly 5 Remove the two screws securing the carrier frame to the base cover 6 Slide the printer off the base cover Carrier Belt Removal 1 Remove the front cover 2 Remove the carrier assembly 3 Push the idler pulley to the right to release the tension on the belt and remove th...

Страница 36: ...e front cover 2 Remove the rear cover 3 Remove the base assembly 4 Disconnect the paper feed motor connector from the system board 5 Remove the four screws A securing the carrier frame to the left and right side frames and remove the carrier frame assembly ...

Страница 37: ...nsions of the two paper flap springs are trapped under the carrier frame C Carrier Transport Motor Removal 1 Remove the front cover 2 Disconnect the transport motor connector from the system board 3 Remove the belt from the transport motor pulley 4 Remove the two screws securing the transport motor to the carrier frame and remove the motor Note the routing of the motor cable ...

Страница 38: ...om the top of the back plate and remove the assembly from the frames Note When reinstalling be sure the edge guide springs are turned to the inside to maintain spring tension on the guides Encoder Card Removal 1 Remove the front cover 2 Remove the printhead carrier assembly 3 Disconnect the printhead cable from the encoder card 4 Remove the screw from the encoder card and remove the card Encoder S...

Страница 39: ...the mid frame to the large feed roll and work the mid frame out of both side frames 8 Spread the right side frame apart far enough to allow removal of the exit drive belt Exit Roller Removal 1 Remove the front cover 2 Remove the two screws from the star roller assembly and remove the assembly 3 Unlatch the left side of the exit roller and remove the exit drive belt from the exit roller pulley 4 Re...

Страница 40: ...ver forward and off the printer To reassemble 1 Slide the cover over the matching pieces on the bottom cover 2 Press in both sides opposite the cover latches until they latch Gutter Pad Removal 1 Remove the front cover 2 Remove the rear cover 3 Remove the base assembly 4 Scrape the old gutter pad off the base ...

Страница 41: ...dler Gears Removal 1 Remove the front cover 2 Remove the rear cover 3 Remove the printer from the base assembly 4 Remove the paper feed motor 5 Gently pry the two idler gears from the left side frame Be careful not to break the locking tabs A ...

Страница 42: ...small screwdriver break the four prongs off the compound idler gear and remove the idler gear 5 Remove the large feed roll from the mid frame by pulling it out of the four mounting clips Spread the right side frame and remove the large feed roll Note Install the compound idler gear after the printer is installed in the base assembly ...

Страница 43: ... door and manual insert tray 4 Remove the C clip from the feed arm assembly and remove the feed arm assembly 5 Remove the C clip from the left side of the pick roll shaft 6 Pull the pick roll shaft out far enough to remove the large gear Note Gently pull the feed arm guide A on the left side frame forward then remove the large gear ...

Страница 44: ...al insert tray 5 Using a small screwdriver break the four prongs off the compound idler gear A and remove the idler gear 6 Remove the two screws B securing the left side frame to the back plate Slide the left side frame off the back plate Note the relationship of the parts Note Install a new compound idler gear A after the printer is installed in the base assembly B A ...

Страница 45: ...right before pushing them down on their mounting posts Be sure the wipers are completely seated Manual Insert Tray Removal 1 Remove the front cover 2 Remove the rear cover 3 Remove the paper load door 4 Spread the right side frame away from the manual insert tray until the pins in the insert tray clear the frame 5 Remove the manual insert tray from the left side frame Mid Frame Assembly Removal 1 ...

Страница 46: ...e the routing of the motor cable Paper Guide and EOF Flag Assembly Removal 1 Remove the front cover 2 Remove the rear cover 3 Remove the printhead carrier assembly 4 Remove the carrier frame assembly 5 Remove the encoder strip 6 Remove the system board 7 Remove the three small feed roll springs 8 Push the locking tabs A to the rear and pull the paper guide down and out of the carrier frame A ...

Страница 47: ...4090 001 Note During reassembly 1 Be sure the small feed roll spring extensions B are in the groves of the small feed roll arms 2 Be sure the short extensions of the two paper flap springs are trapped under the carrier frame C ...

Страница 48: ...l shaft out to the left and remove the pick roll shaft hubs and envelope bucklers Note During reassembly be sure the pick roll hubs are in the slots at the bottom of the paper guides and the rolls are centered on the pick pads Power Supply Removal Note When working on the printer always unplug the printer from the wall outlet High voltage is present in the power supply as long as it is plugged int...

Страница 49: ...e from the encoder card Note the routing of the cable under the retaining clip on the carrier 4 Separate the cradle from the printhead carrier assembly by pushing out the cradle latches A 5 Feed the folded end of the printhead cable through the opening in the carrier assembly and remove the cable Note Use the illustration to assemble the carrier parts in the correct sequence ...

Страница 50: ...4 18 4090 001 Note Be sure the cable is secured under the three retaining clips B on the back of the carrier B ...

Страница 51: ...od 4 Slide the carrier guide rod to the left out of the printer 5 Lift the carrier out of the printer Printhead Rubber Backer Removal 1 Remove the front cover 2 Remove the printhead carrier assembly 3 Separate the cradle from the printhead carrier assembly by pushing out the cradle latches A 4 Remove the rubber backer and paper deflector from under the printhead carrier cable Note Use the illustra...

Страница 52: ...ress down until the cover latches Be sure the parallel connector snaps do not get trapped behind the cover Right Side Frame Assembly Removal 1 Remove the front cover 2 Remove the rear cover 3 Remove the carrier frame assembly 4 Remove the paper load door and manual insert tray 5 Remove the two screws securing the right side frame to the back plate Slide the right side frame off the back plate Note...

Страница 53: ...er 2 Remove the two screws from the star roller assembly and remove the assembly System Board Removal 1 Remove the front cover 2 Unlock the two printhead cable connectors and disconnect the printhead cables from the system board 3 Disconnect the other cables from the system board 4 Gently release the tension on the encoder strip by flexing the encoder strip tensioner and remove the encoder strip f...

Страница 54: ...ations 5 1 4090 001 5 Connector Locations The printer is shipped with the jumper pin setting in the following static position Be sure the jumper is installed on the correct pins Communications Jumper J7 pin 2 and 3 ...

Страница 55: ...Connector Locations 5 2 4090 001 System Board Connectors ...

Страница 56: ...ctor Connector Names J1 Printhead Cable 1 J2 Printhead Cable 2 J3 Power Supply J4 Transport Motor J5 Paper Feed Motor J6 Test Jumper J7 Communications Jumper J8 Parallel Port SW1 Paper Feed Switch SW2 Power Switch S1 EOF Sensor U20 Code Module ...

Страница 57: ... Specifications Lubricate only when parts are replaced or as needed not on a scheduled basis Use grease P N 1329301 to lubricate the following All gear mounting studs The left and right ends of the large feed roller at the side frames Both ends of the sheet feeder pick roll shaft at the side frames The carrier to carrier frame engagement Do not lubricate the carrier guide rod or carrier guide rod ...

Страница 58: ... the same list Common parts are shown by one index number Parts peculiar to one or the other of the assemblies are listed separately and identified by description NS Not Shown in the Asm Index column indicates that the part is procurable but is not pictured in the illustration PP in the parts descriptions column indicates the part is available in the listed parts packet ...

Страница 59: ...Parts Catalog 7 2 4090 001 Assembly 1 Covers ...

Страница 60: ... Gutter Pad Feet 2 70G0595 1 Front Cover Asm Access Cover Button LED Lens 3 69G4118 1 Rear Cover 4 69G4119 1 Gutter Pad Base Asm N S 70G0591 1 Replaceable Package B M US Includes Carton Cushion Set Sealing Tape N S 70G0592 1 Replaceable Package B M Non US Includes Carton Cushion Set Sealing Tape ...

Страница 61: ...Parts Catalog 7 4 4090 001 Assembly 2 Frames ...

Страница 62: ...ber Units Description 2 1 69G4120 1 Left Side Frame Sub Asm without Gears Also order gears B M 69G4127 2 70G0574 1 Mid Frame with Star Rollers 3 69G4121 1 Right Side Frame 4 69G4122 1 Carrier Frame 5 69G4188 4 Screw Frame Mounting PP ...

Страница 63: ...Parts Catalog 7 6 4090 001 Assembly 3 Paper Feed ...

Страница 64: ...feed roll only See Boss Paper Guide Feature on page 4 21 2 13A1196 1 Small Feed Roll Shaft Roll B M and Paper Flap 3 70G0574 1 Star Roller Asm part of Mid Frame 4 70G0575 1 Large Feed Roll Asm includes Small Compound Idler Gear 5 70G0576 1 Paper Feed Motor Motor Gear Toroid 6 69G4127 1 Gears B M 7 69G4398 1 Feed Arm Asm 8 69G4188 2 C Clip PP 9 69G4188 3 Spring Small Feed Roll PP 10 69G4188 2 Screw...

Страница 65: ...Parts Catalog 7 8 4090 001 Assembly 4 Electronics ...

Страница 66: ...9520 1339522 1339519 1342536 1342514 1 Power Cord U S Power Cord Argentina Power Cord Austria Power Cord Belgium Power Cord Bolivia Power Cord Brazil LV Power Cord Brazil HV Power Cord Canada Power Cord Chile Power Cord Columbia Power Cord Costa Rica Power Cord Denmark Power Cord Ecuador Power Cord Egypt Power Cord El Salvador Power Cord Finland Power Cord France Power Cord Germany Power Cord Guat...

Страница 67: ...Parts Catalog 7 10 4090 001 Assembly 4 Electronics continued ...

Страница 68: ...7 11 4090 001 Asm Index Part Number Units Description 4 4 70G3000 1 Code Module 5 69G4188 5 Screw System Board Mounting PP NS 69G4188 1 Screw Ground Jumper Mounting PP NS 69G4188 2 Jumper 2 Pin PP ...

Страница 69: ...Parts Catalog 7 12 4090 001 Assembly 5 Carrier ...

Страница 70: ...G0586 1 Printhead Cable Folded 3 70G0587 1 Rubber Backer 4 69G4157 1 Carrier Guide Rod 5 69G4156 1 Encoder Card Asm 6 69G4188 1 Screw Encoder Card Mounting PP 7 69G4188 1 Retainer Right Carrier Guide Rod PP 8 69G4188 1 E Ring Carrier Guide Rod PP 9 70G0588 1 Printhead Cartridge Interlock Key B M ...

Страница 71: ...Parts Catalog 7 14 4090 001 Assembly 6 Carrier Transport 5 3 2 6 1 4 ...

Страница 72: ...ts Description 6 1 69G4158 1 Carrier Transport Motor Pulley 2 69G4159 1 Carrier Belt 3 69G4403 1 Encoder Strip 4 69G4163 1 Idler Pulley Tension Asm 5 69G4188 2 Screw Carrier Transport Motor Mounting PP 6 69G4188 1 Tensioner Encoder Strip PP ...

Страница 73: ...Parts Catalog 7 16 4090 001 Assembly 7 Sheet Feeder ...

Страница 74: ...oll Paper Load Shaft B M 5 1367463 2 Pick Roll Hub Asm 6 1367019 1 Envelope Buckler B M Left Right 7 69G4169 1 Back Plate 8 69G4164 1 Paper Load Door Asm Includes Left Edge Guide 9 69G4165 1 Manual Insert Tray 10 69G4127 1 Gear Paper Load Gears B M 11 69G4188 1 E Ring PP 12 69G4188 4 Screw Side Frame PP 13 69G4188 1 Spring Left Paper Load PP 14 69G4188 1 Spring Right Paper Load PP ...

Страница 75: ...Parts Catalog 7 18 4090 001 Assembly 8 Maintenance Station ...

Страница 76: ...7 19 4090 001 Asm Index Part number Units Description 8 1 70G0589 1 Maintenance Station Asm 2 70G0590 1 Wiper and Cap B M one of each 3 69G4188 1 Screw Maintenance Station Mounting PP ...

Страница 77: ...er Consumption 1 1 Preventive Maintenance 6 1 Problems Carrier Transport 2 4 Communications 2 4 Maintenance Station 2 4 Paper Feed 2 5 Power 2 5 Print Quality 2 5 R Removals Base Assembly 4 3 Carrier Belt 4 3 Carrier Frame 4 4 Carrier Transport Motor 4 5 Code Module 4 6 Edge Guide Asm 4 6 Encoder Card 4 6 Encoder Strip 4 6 Envelope Bucklers 4 16 EOF Flag Asm 4 14 Exit Drive Belt 4 7 Exit Roller 4 ...

Страница 78: ... Feed Roll Shaft 4 21 Small Feed Rollers 4 21 Star Roller 4 21 System Board 4 21 Repair Information 4 1 S Safety Information vi Service Checks Envelope Feed 2 6 First Print Line 2 6 Maintenance Station 2 7 Paper Feed 2 8 Paper Path 2 10 Parallel Port 2 11 Power 2 11 Print Quality 2 12 Transport 2 14 Start 2 1 Symptom Table POST 2 3 Symptom Tables 2 4 T Tests Encoder Sensor 3 2 Initialize Error Log...

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