Lexmark Z31 Color Jetprinter Service Manual
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Lexmark Z31 Color Jetprinter Service Manual

Lexmark Z31 Color Jetprinter Service Manual

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Lexmark Z31 Color Jetprinter
4099
• Table of Contents
• Start Diagnostics
• Safety and Notices
• Trademarks
• Index
Lexmark and Lexmark with diamond
design are trademarks of Lexmark
International, Inc., registered in the
United States and/or other countries.

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Summary of Contents for Lexmark Z31 Color Jetprinter

  • Page 1 ™ Lexmark Z31 Color Jetprinter 4099 • Table of Contents • Start Diagnostics • Safety and Notices • Trademarks • Index Lexmark and Lexmark with diamond design are trademarks of Lexmark International, Inc., registered in the United States and/or other countries.
  • Page 2 1-800-553-9727. In other countries, contact your point of purchase. Lexmark is a trademark of Lexmark International, Inc., registered in the United States and/or other countries. Color Jetprinter is a trademark of Lexmark International, Inc.

  • Page 3: Table Of Contents

    4099 Table of Contents Preface ..........v Safety Information.
  • Page 4 4099 Large Feed Roller Assembly Removal .....4-6 Gear Plate Assembly Removal ......4-7 Carrier Belt / Idler Pulley Removal .

  • Page 5: Preface

    4099 Preface This manual describes the Lexmark Z31 Color Jetprinter™(4099) and is divided into the following chapters: 1. General Information 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.

  • Page 6: Safety Information

    This product is designed, tested and approved to meet strict global safety standards with the use of specific Lexmark components. The safety features of some parts may not always be obvious. Lexmark is not responsible for the use of other replacement parts. •...
  • Page 7 Il prodotto è stato progettato, testato e approvato in conformità a severi standard di sicurezza e per l’utilizzo con componenti Lexmark specifici. Le caratteristiche di sicurezza di alcune parti non sempre sono di immediata comprensione. Lexmark non è responsabile per l’utilizzo di parti di ricambio di altri produttori.
  • Page 8 Lexmark. Puede que las características de seguridad de algunas piezas no sean siempre evidentes. Lexmark no se hace responsable del uso de otras piezas de recambio. •...
  • Page 9 Lexmark. Les característiques de seguretat d'algunes peces pot ser que no sempre siguin òbvies. Lexmark no es responsabilitza de l'us d'altres peces de recanvi. • La informació pel manteniment d’aquest producte està...
  • Page 10 4099 Service Manual...

  • Page 11: General Information

    4099 1. General Information The Lexmark Z31 Color Jetprinter (4099) is a personal, near laser- quality inkjet printer. The printer contains single-unit customer replaceable supply items. Dual printheads provide color and true black printing without changing printheads. The black cartridge has a total of 208 nozzles and installs on the right.

  • Page 12: Operator Panel

    4099 Operator Panel Paper Feed button Power button Buttons Application Turns the printer on or off. Power button • Ejects paper from the printer. • Advances a sheet of paper into the automatic sheet feeder when the printer has run out of paper during a print job.

  • Page 13: Maintenance Approach

    4099 Maintenance Approach The diagnostic information in this manual leads you to the correct field replaceable unit (FRU) or part. Use the symptom index, service checks, and diagnostic aids to determine the symptom and repair failure.“Use the indicator light table, the symptom tables, service checks, and diagnostic aids in chapter 3, to determine the printer failure,”...
  • Page 14 4099 Service Manual...

  • Page 15: Diagnostic Information

    4099 2. Diagnostic Information Start Use the indicator light table, the symptom tables, service checks, and diagnostic aids in chapter 3, to determine the printer failure. Indicator Light Table Indicator Light Indicates Power light is On Machine is on and ready to print. Paper Feed light is Off Both lights are On Machine is printing.

  • Page 16: Power-On Self Test (Post) Sequence

    4099 Power-On Self Test (POST) Sequence Turn the printer on and check for a correct POST operation by observing the following: 1. The power light comes on. 2. The carrier moves over the maintenance station three times and seals the printheads. 3.

  • Page 17: Symptom Tables

    4099 Symptom Tables Locate the symptom in the following tables and take the appropriate action. Carrier Transport Problems Symptom Action • No carrier movement Go to the “Carrier Transport • Slow carrier movement Service Check” on page 2-5. • Carrier stops •...
  • Page 18 4099 Paper Feed Problems Symptom Action • Fails to pick paper Go to the “Paper Feed Service • Picks more than one sheet of Check” on page 2-8. paper • Picks paper but fails to feed • Paper jams • Paper fails to exit •...

  • Page 19: Service Checks

    4099 Service Checks Carrier Transport Service Check Action System Board Unplug the printer and disconnect the carrier transport motor connector (J8) from the system board. Plug in the printer and check for approximately 12 V dc between (J8-1) and ground as the printer goes through POST.
  • Page 20 4099 Action Carrier Transport Check for worn, loose or broken parts. Check for Belt obstructions blocking carrier movement. Idler Pulley Parts Carrier Frame Check the carrier belt idler pulley mounting screw. Loosen the screw and allow the tension spring to take up any slack in the belt.

  • Page 21: Maintenance Station Service Check

    4099 Maintenance Station Service Check The maintenance station has three functions: 1. Wipes the printhead nozzles to clean them of dirt. 2. Provides a place for printheads to fire all nozzles, keeping them clear prior to printing. 3. Seals the printhead when it is not being used to prevent the nozzles from drying Action Maintenance...

  • Page 22: Paper Feed Service Check

    4099 Paper Feed Service Check If your machine does not have paper jam problems, continue with the service check. If your machine does have a paper jam problem, examine it for the following before you begin the service check: • Check the entire paper path for obstructions.
  • Page 23 4099 Action Paper Feed Motor A noisy or chattering motor or a motor that fails to turn, can be caused by: • An open or short in the motor • An open or short in the motor driver on the system board •...

  • Page 24: Paper Path Service Check

    4099 Paper Path Service Check Examine the machine for the following before you begin this service check: • Check the entire paper path for obstructions. • Be sure the correct type of paper is being used. • Be sure the printer is installed on a flat surface. Action Large and Small Check for wear and binds.

  • Page 25: Power Service Check

    4099 Power Service Check Action External Power Plug the external power supply into an outlet. Supply Check for + 30 V dc. Power Connector Check for continuity in the power connector cable. Printhead Cable Unplug the printer. Disconnect one of the Carrier Home printhead cables and plug in the printer.

  • Page 26: Print Quality Service Check

    4099 Print Quality Service Check FRU / Function Action Printhead Be sure the machine contains good print Cartridge cartridges. Color Printhead Cross contamination of color inks results in Cartridge Cross incorrect colors printed, as when green prints for Contamination yellow, (when yellow and blue are mixed in the printhead cartridge).
  • Page 27 4099 FRU / Function Action Paper Feed Ink smudging and smearing can be caused by paper problems or problems in the paper feed area. Check the following: • Correct type of paper is being used. Also check the paper for curl or wrinkles. •...
  • Page 28 4099 2-14 Service Manual...

  • Page 29: Diagnostic Aids

    4099 3. Diagnostic Aids Test Page This test prints the test page. To run a complete test page of black and color patterns, be sure the printhead cartridges are in good condition. To enter the test: 1. Turn the printer on. 2.
  • Page 30 4099 Service Manual...

  • Page 31: Repair Information

    4099 4. Repair Information This chapter explains how to make adjustments to the printer and how to remove defective parts. Note: Read the following before handling electronic parts. Handling ESD-Sensitive Parts Many electronic products use parts that are known to be sensitive to electrostatic discharge (ESD).

  • Page 32: Adjustments

    4099 Adjustments The user is directed, in the Printer Control program, to perform the printhead alignment adjustments after replacing a print cartridge. Removal Procedures The following procedures are arranged according to the name of the printer part discussed. CAUTION: Unplug the power cord before removing any parts. Releasing Plastic Latches Many of the parts are held in place with plastic latches.

  • Page 33: Access Cover Removal

    4099 Access Cover Removal 1. Open the access cover. 2. Push the mounting tabs and remove the access cover. Front Cover Removal 1. Remove the two cover mounting screws from the upper rear corners of the rear cover. Warning: When reassembling, do not overtighten these screws as they will damage the plastic threads.

  • Page 34: Sheet Feeder Assembly Removal

    4099 Sheet Feeder Assembly Removal 1. Remove the front cover. 2. Remove the base cover assembly. Note the position of the access cover sensor actuator in the sheet feeder assembly. 3. Remove the two screws holding the sheet feeder to the carrier frame assembly.

  • Page 35: Printhead Carrier Assembly Removal

    4099 Printhead Carrier Assembly Removal 1. Remove the front cover. 2. Remove the base cover assembly. 3. Remove the sheet feeder assembly. 4. Disconnect the printhead carrier cables from the system board. 5. Remove the retainers from the ends of the carrier guide rod. 6.

  • Page 36: End-Of-Forms Flag Removal

    4099 End-of-Forms Flag Removal 1. Remove the front cover. 2. Remove the base cover assembly. 3. Remove the sheet feeder assembly. 4. Remove the two center small feed rollers. 5. Note the position of the end-of-forms flag spring. Unlatch the end-of-forms flag from the carrier frame and slide it to the right to remove.

  • Page 37: Gear Plate Assembly Removal

    4099 Gear Plate Assembly Removal 1. Remove the front cover. 2. Remove the base cover assembly. 3. Remove the sheet feeder assembly. 4. Remove the small feed roller assemblies. 5. Remove the maintenance station assembly. 6. Remove the large feed roller assembly. 7.
  • Page 38 4099 Service Manual...

  • Page 39: Connector Locations

    4099 5. Connector Locations Units Description Operator Panel Parallel Port Printhead Cable 1 Printhead Cable 2 Printhead Cable 3 Carrier Transport Motor Paper Feed Motor Power Connector Access Door Sensor End-of-Forms Sensor Connector Locations...
  • Page 40 4099 Service Manual...

  • Page 41: Preventive Maintenance

    4099 6. Preventive Maintenance This chapter contains the lubrication specifications. Follow these recommendations to prevent problems and maintain optimum performance. Lubrication Specifications Lubricate only when parts are replaced or as needed, not on a scheduled basis. Use grease P/N 99A0394 to lubricate the following: •...
  • Page 42 4099 Service Manual...

  • Page 43: Parts Catalog

    4099 7. Parts Catalog How to Use This Parts Catalog • SIMILAR ASSEMBLIES: If two assemblies contain a majority of identical parts, they are shown on 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.
  • Page 44 4099 Assembly 1: Covers Service Manual...
  • Page 45 4099 Asm- Part Units Description Index Number 1 -1 12G0190 Base Cover with Feet, Exit Tray and Banner Support 12G0193 Felt Ink Pad 12G0192 Access Cover 12G0191 Front Cover 12G0195 Power Button and Lens 7350512 Field Packaging B/M Parts Catalog...
  • Page 46 4099 Assembly 2: Paper Feed Service Manual...
  • Page 47 4099 Asm- Part Units Description Index Number 2 -1 12G0209 Screws (PP) 12G0197 Carrier Transport Motor 12G0209 Retainer, Carrier Guide Rod (PP) 12G0209 Carrier Belt Tensioner (PP) 12G0206 Carrier Belt 12G0209 Bushing, Feed Roller (PP) 12G0196 Mid Frame with Star Rollers, Large and Small Feed Rollers 12G0209 End of Forms Flag &...
  • Page 48 4099 Assembly 2: Paper Feed (Continued) Service Manual...
  • Page 49 4099 Asm- Part Units Description Index Number 2 -1 12G0209 Screws (PP) 12G0209 Bushing, Feed Roller (PP) 12G0199 Gear Plate Asm with Motor 12G0194 Power Connector with Cable (Note: Includes Op Panel Asm) Parts Catalog...
  • Page 50 4099 Assembly 3: Electronics Service Manual...
  • Page 51 4099 Asm- Part Units Description Index Number 3 -1 12G1781 System Board 12G0209 Screws (PP) 12G0194 Op Panel Asm with Cable (Note: Includes Power Connector) 12G1826 P/S External (LV) 120 V 12G1827 P/S External (HV) 220 V 12G1825 P/S External (LV) 100 V Japan 11B6073 Power Cord, United Kingdom, Hong Kong, Ireland...
  • Page 52 4099 Assembly 4: Carrier 7-10 Service Manual...
  • Page 53 4099 Asm- Part Units Description Index Number 4 -1 12G0204 Printhead Carrier Asm with Cable and Sensor 12G0205 Carrier Guide Rod 12g1868 Holder, FPC (Flat Parallel Cable) 7-11 Parts Catalog...
  • Page 54 4099 Assembly 5: Automatic Sheet Feeder 7-12 Service Manual...

  • Page 55: Index

    4099 Asm- Part Units Description Index Number 5 -1 12G0207 Automatic Sheet Feeder Asm 12G3619 Paper Support 7-13 Parts Catalog...
  • Page 56 4099 Assembly 6: Maintenance Station 7-14 Service Manual...
  • Page 57 4099 Asm- Part Units Description Index Number 6 -1 12G0208 Maintenance Station Assembly 7-15 Parts Catalog...
  • Page 58 4099 7-16 Service Manual...
  • Page 59 4099 Index Abbreviations Maintenance Adjustments Maintenance Approach Aids Assembly Assembly 1 Operator Panel Covers Assembly 2 7-4, 7-6 Paper Feed Parts Assembly 3 7-12 Automatic Sheet Feeder Electronics 7-10 Carrier Assembly 4 Catalog 7-10 Carrier Covers Assembly 5 Electronics 7-12 Automatic Sheet Feeder 7-14 Maintenance Station...
  • Page 60 4099 Large Feed Roller 12G0206 7-13 Maintenance Station 12G0207 7-15 Mid Frame 12G0208 7-5, 7-7, 7-9 Power Connector 12G0209 Printhead Carrier Asm. 12G1812 Sheet Feeder 12G1826 Small Feed Rollers 12G1827 7-13 Star Roller Asm. 12G3619 System Board 42F1814 7350512 Safety Information Service Checks Carrier Transport Maintenance Station...
  • Page 61 USA 12G1764 - Japan 12G178 August 1999 You may use this form to communicate your comments about this publication, with the understanding that Lexmark may use or distribute whatever information you supply in any way it believes appropriate without incurring any obligation to you.
  • Page 62 UNITED STATES BUSINESS REPLY MAIL FIRST CLASS MAIL PERMIT NO. 2659 LEXINGTON, KY POSTAGE WILL BE PAID BY ADDRESSEE LEXMARK INTERNATIONAL INC DEPARTMENT D22A BUILDING 032-2 740 WEST NEW CIRCLE ROAD LEXINGTON KY 40511 9954 | | | | | |...

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