Lexmark 4090-001 - Manual

4090-001 viii Pautas de Seguridad • La información sobre el mantenimiento de este producto fue escrita para el personal de mantenimiento cualificado y nopara cualquier otro usuario. • Existen mayores riesgos de descargas eléctricas y daños personales durante el desmontaje y la reparación de lamáquin...

4090-001 Preface ix Chinese Safety Information Korean Safety Information

General Information 1-1 4090-001 1. General Information The Color Jetprinter TM 2070 (4090-001) printer is a personal, near laser-quality inkjet printer. The print cartridge contains single-unitcustomer-replaceable supply items. Dual printheads provide colorand true black printing without changing p...

General Information 1-2 4090-001 After you complete the repair, perform tests as needed to verify therepair. Abbreviations Unique Tools Required For Service Parallel Wrap Plug P/N 1319128 CE Customer Engineer CSU Customer Setup ESD Electrostatic Discharge FRU Field Replaceable Unit HVPS High Voltage...

Diagnostic Information 2-1 4090-001 2. Diagnostic Information Use the error indicator table, symptom tables, service checks, anddiagnostic aids to determine the failing part. Start Service error indications show as a series of flashes of the Powerlight. There is a pause between each series of flashe...

Diagnostic Information 2-2 4090-001 Error Indicator Table Power-On Self Test (POST) Sequence When you turn the printer on it performs a POST. Turn your printeron and check for a correct POST operation by observing thefollowing: 1. The busy light comes on and goes off. 2. The power light comes on. 3....

2-3 4090-001 If your printer does not complete POST, locate the symptom in thefollowing table and take the indicated action. POST Symptom Table Symptom Action No Power lightand no motorsrun Go to the ’Power Service Check’ on page 2-11 . Power light,but no busylight Replace the system board. Feeds pa...

Diagnostic Information 2-4 4090-001 Symptom Tables Locate the symptom in the following tables and take the appropriateaction. Carrier Transport Problems Communications Problems Maintenance Station Problems Op Panel Symptom Action • No carrier movement• Slow carrier movement• Carrier stops• Carrier s...

Diagnostic Information 2-6 4090-001 Service Checks Envelope Feed Service Check First Print Line Service Check FRU Action 1 Envelope Guide Be sure the envelope guides have been turnedto the envelope load positions. Be sure the envelope guides are against theenvelopes. Perform the ’Paper Feed Service ...

2-7 4090-001 Maintenance Station Service Check The maintenance station has two functions: 1. Cleans the printhead nozzles during the print operation. 2. Seals the printhead when it is not being used to prevent the nozzles from drying. FRU Action 1 MaintenanceStation Assembly As the carrier moves to ...

Diagnostic Information 2-8 4090-001 Paper Feed Service Check If your printer does not have paper jam problems, continue with theservice check. If your printer does have a paper jam problem,examine it for the following before you begin the service check: • Check the entire paper path for obstructions...

Diagnostic Information 2-10 4090-001 Paper Path Service Check Examine the printer for the following before you begin this servicecheck: • Check the entire paper path for obstructions. • Be sure the paper guides are not worn or broken and are posi-tioned against the paper without binding or buckling ...

Diagnostic Information 2-12 4090-001 Print Quality Service Check FRU Action 1 Print Cartridge Be sure the printer contains good print cartridges. 2 Printhead CarrierAssembly Reseat the printhead cables in the system boardand check the following parts for wear or damage:• Print Cartridge Latch• Latch...

Diagnostic Information 2-14 4090-001 Transport Service Check FRU Action 1 Transport Motor Check the motor for binds, or loose motor pulley. Disconnect the transport motor (J4) from thesystem board. Check for 8 to 18 ohms betweenpins 1 and 2 on the motor cable. If the reading isincorrect, replace the...

Diagnostic Aids 3-2 4090-001 Encoder Sensor Test This test disables the printer motors to allow you to manually movethe carrier to verify the encoder is working correctly. 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. Press an...

3-3 4090-001 4090-001 Initialize Error Log This test allows you to track new errors. Use this procedure to reset the error log to zero. The error log isespecially helpful in diagnosing intermittent or difficult problems. To run the test: 1. Turn the printer off and place a two pin jumper on connecto...

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 reflectsthe paper sensor status in the following manner: • On - paper is in sensor • Off - paper is not in sensor To run the test: 1. Turn...

3-5 4090-001 4090-001 Parallel Port Test This test performs a wrap around test between the printer parallelport and the parallel port test connector. This test requires a parallel port wrap plug. Install the wrap plug inthe parallel port before you start the test. To run the test: 1. Turn the printe...

Diagnostic Aids 3-6 4090-001 Print NVRAM Contents This test prints the contents of NVRAM in hexadecimal format. To run the test: 1. Turn the printer off and place 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 ...

3-7 4090-001 4090-001 Test Page This test prints the test page. To run a complete test page of black and color patterns, be sure theprint cartridges are in good condition. Install a black print cartridge inthe left side of the printhead cradle and a color print cartridge in theright side. To enter t...

Repair Information 4-1 4090-001 4. Repair Information This chapter explains how to make adjustments to the printer andhow to remove defective parts. Note: Read the following before handling electronic parts. Whenworking on the printer, always unplug the printer from the wall outlet.High voltage is p...

4-2 4090-001 Adjustments The user is directed, in the Printer Control program, to perform thehead to head and bidirectional alignment adjustments after replacinga print cartridge. Removal Procedures The following procedures are arranged according to the name of theprinter part discussed. Unplug the ...

Repair Information 4-3 4090-001 Base Assembly Removal 1. Remove the front cover. 2. Remove the rear cover. 3. Disconnect the power supply connector at the system board. 4. Remove the two screws from the maintenance station assembly. Pull up the right side of the mid frame assembly andpull forward an...

4-4 4090-001 Carrier Frame Assembly Removal 1. Remove the 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 ...

Repair Information 4-5 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]. Carrier Transport Motor Removal 1. Remov...

Repair Information 4-7 4090-001 Exit Drive Belt 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 small feed roll shaft. 6. Unlatch the left side of the exit roller shaft and work the...

4-8 4090-001 Front Cover Removal 1. Place a screwdriver in slot [A] and release the cover latches. 2. Slide the cover 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. Gutte...

Repair Information 4-9 4090-001 Inside Idler 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].

4-10 4090-001 Large Feed Roll Removal 1. Remove the front cover. 2. Remove the rear cover. 3. Remove the carrier frame assembly. 4. Using a 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 o...

Repair Information 4-11 4090-001 Large Outside Gear Removal 1. Remove the front cover. 2. Remove the rear cover. 3. Remove the paper load 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...

4-12 4090-001 Left 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. Using a small screwdriver, break the four prongs off the compound idler gear [A] and remove the idler gea...

Repair Information 4-13 4090-001 Maintenance Station Assembly Removal 1. Remove the front cover. 2. Remove the rear cover. 3. Remove the two screws from the maintenance station assembly, lift up the right side of the mid frame assembly andslide the maintenance station assembly forward, out of thepri...

Repair Information 4-15 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].

Repair Information 4-17 4090-001 Printhead Cable, Cradle & Paper Deflector Removal 1. Remove the front cover. 2. Remove the printhead carrier assembly. 3. Disconnect the printhead cable from the encoder card. Note the routing of the cable under the retaining clip on the carrier. 4. Separate the ...

Repair Information 4-19 4090-001 Printhead Carrier Assembly Removal 1. Remove the front cover. 2. Unlock the two printhead cable connectors and disconnect the printhead cable from the system board. 3. Remove the retainer from the right end of the carrier guide rod. 4. Slide the carrier guide rod to ...

4-20 4090-001 Rear Cover Removal 1. Remove the front cover. 2. Place a screwdriver in slot [A] and release the cover latches. 3. Slide the cover up and off the printer. 4. To reassemble, place the cover over the tabs in the bottom cover and press down until the cover latches. Be sure theparallel con...

Repair Information 4-21 4090-001 Small Feed Roll Shaft, Rollers & Paper Flap Removal 1. Remove the front cover. 2. Remove the rear cover. 3. Remove the carrier frame assembly. 4. Spread the left and right side frames apart far enough to remove the small feed roll shaft assembly. Boss Paper Guide...

Connector Locations 5-1 4090-001 5. Connector Locations The printer is shipped with the jumper pin setting in the followingstatic position. Be sure the jumper is installed on the correct pins. Communications Jumper J7 pin 2 and 3.

Connector Locations 5-2 4090-001 System Board Connectors

5-3 4090-001 Encoder Card Connector Connector 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

Preventive Maintenance 6-1 4090-001 6. Preventive Maintenance This chapter contains the lubrication specifications. Follow theserecommendations to prevent problems and maintain optimumperformance. Lubrication Specifications Lubricate only when parts are replaced or as needed, not on ascheduled basis...

Parts Catalog 7-1 4090-001 7. Parts Catalog How To Use This Parts Catalog • SIMILAR ASSEMBLIES: If two assemblies contain a majority ofidentical parts, they are broken down on the same list. Commonparts are shown by one index number. Parts peculiar to one orthe other of the assemblies are listed sep...

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

Parts Catalog 7-16 4090-001 Assembly 7: Sheet Feeder

Parts Catalog 7-18 4090-001 Assembly 8: Maintenance Station

4090-001 X-1 Index 3 A Abbreviations 1-2 Adjustments 4-2 Assemblies 1 Covers 7-2 2 Frames 7-4 3 Paper Feed 7-6 4 Electronics 7-8 5 Carrier 7-12 6 Carrier Transport 7-14 7 Sheet Feeder 7-16 8 Maintenance Station 7-18 C Connector Locations 5-1 Connectors System Board 5-2 D Diagnostic Aids 3-1 Diagnost...