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Lexmark X83 Service Manual

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Lexmark™ X83, X85 Scan/Print/Copy
4403-XXX
• 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 X83

  • Page 1 Lexmark™ X83, X85 Scan/Print/Copy 4403-XXX • 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 You can purchase additional copies of publications related to this product by calling 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.

  • Page 3: Table Of Contents

    4403-XXX Table of Contents Safety Information........v Preface .
  • Page 4 4403-XXX Gear Train Assembly Removal ......4-6 Access Cover Sensor Removal......4-6 Right Cover Removal .

  • Page 5: Safety Information

    4403-XXX Safety Information • The safety of this product is based on testing and approvals of the original design and specific components. The manufacturer is not responsible for safety in the event of use of unauthorized replacement parts. • The maintenance information for this product has been prepared for use by a professional service person and is not intended to be used by others.
  • Page 6 4403-XXX Norme di sicurezza • La sicurezza del prodotto si basa sui test e sull'approvazione del progetto originale e dei componenti specifici. Il produttore non è responsabile per la sicurezza in caso di sostituzione non autorizzata delle parti. • Le informazioni riguardanti la manutenzione di questo prodotto sono indirizzate soltanto al personale di assistenza autorizzato.
  • Page 7 4403-XXX Pautas de Seguridad • La seguridad de este producto se basa en pruebas y aprobaciones del diseño original y componentes específicos. El fabricante no es responsable de la seguridad en caso de uso de piezas de repuesto no autorizadas. •...
  • Page 8 4403-XXX Informació de Seguretat • La seguretat d'aquest producte es basa en l'avaluació i aprovació del disseny original i els components específics. El fabricant no es fa responsable de les qüestions de seguretat si s'utilitzen peces de recanvi no autoritzades. •...
  • Page 9 4403-XXX Safety Information...

  • Page 10: Preface

    4403-XXX Preface This manual and contains maintenance procedures for service personnel. It 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 11: General Information

    4403-XXX 1. General Information The Lexmark™ X83 4403-001 and Lexmark X85 4403-K11 machines feature an electro-mechanical scanner, printer, and copier that creates characters and graphics by composing programmed patterns of ink dots using a printhead and liquid ink. The printhead uses small heater plates and nozzles to control ink flow and the formation of characters on the print media.

  • Page 12: Scanner Specifications

    4403-XXX Scanner Specifications Scanner Type Flatbed, CCD Scan Modes True Color: 48 Bit Internal (68.7 Billion Colors) 24 Bit External (16.7 Million Colors) Gray Mode: 12 Bits Internal (4,096 Shades of Gray) 8 Bits External (256 Shades of Gray) Text/Line Art: 1 Bit Per Pixel Scan Method One Pass Scanning...

  • Page 13: Operator Panel

    4403-XXX Operator Panel General Information...
  • Page 14 4403-XXX Press this When you want to: button: Number of Select the number of copies. Copies Lighter/Darker Make the document lighter or darker than the original. Reduce/Enlarge Make the document smaller or larger than the original. Paper Type Select glossy, photo, transparency, or plain paper type. <...

  • Page 15: Maintenance Approach

    4403-XXX 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 the failure. After you complete the repair, perform tests as needed to verify the repair.

  • Page 16: Abbreviations

    4403-XXX Abbreviations Bill of Material Charged Coupled Device End of Form Electrostatic Discharge Flat Printhead Cable Field Replaceable Unit HVPS High Voltage Power Supply Liquid Crystal Display LVPS Low Voltage Power Supply Original Equipment Manufacturer V ac Volts alternating current V dc Volts direct current Zero Insertion Force...

  • Page 17: Diagnostic Information

    4403-XXX 2. Diagnostic Information Start Use the symptom tables, service checks, and diagnostic aids in chapter three, to determine the printer failure. Power-On Self Test (POST) Sequence Press the power button to turn machine on. • The Photo, Normal, and Quick indicator lights turn on. •...

  • Page 18: Post Symptom Table

    4403-XXX POST Symptom Table Symptom Action No Photo, Go to the “Power Service Check” on page 2-14. If okay, Normal, or go to the “Operator Panel Problems” on page 2-3. Quick lights and no motors run. Paper feed Go to the “Paper Feed Service Check”...

  • Page 19: Symptom Tables

    4403-XXX 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 2-6. • Carrier stops •...
  • Page 20 4403-XXX Printer Communication Table Symptom Action • Not able to print Test Page Check the USB cable and system board cable connections. If okay, replace system board. Go to the “System Board Removal” on page 4-12. Scanner Problems Symptom Action •...
  • Page 21 4403-XXX Paper Feed Problems Symptom Action • Fails to pick paper Go to the “Paper Feed Service • Picks more than one sheet of Check” on page 2-11. paper • Picks paper but fails to feed • Paper jams • Paper fails to exit •...

  • Page 22: Service Checks

    4403-XXX Service Checks Carrier Transport Service Check Action System Board Check the transport carrier motor connector J6. If connected, check for approximately 30 volts on Carrier Transport pins 1 and 2 or at the wire connections located on Motor the rear of the transport carrier motor. If voltage is incorrect, replace the system board.
  • Page 23 4403-XXX Action Encoder Strip Check the encoder strip for proper installation. Also, check it for wear, dirt and grease. Carrier with PCB Assembly Be sure all printhead connectors are fully seated. Check the cables for damage. If the encoder strip and all connections are okay, but the carrier still slams the side frame, replace the print engine.

  • Page 24: Ccd Module Assembly Service Check

    4403-XXX CCD Module Assembly Service Check The CCD (charged coupled device) Module does not move during POST Test. The CCD lamp does not come on when CCD module assembly moves and the Photo, Normal, Quick lights stay on. The CCD LCD displays “Unlock Scanner.” Action CCD Module Assembly If CCD module will not move, go to...

  • Page 25: Gear Train Assembly Service Check

    4403-XXX Gear Train Assembly Service Check CCD does not move or scan. Action Gear Train Assembly Disconnect J7 and check the reading at pin 1 and 3 for approximately 225.5 ohms. If the reading is incorrect, replace the gear train assembly.

  • Page 26: Maintenance Station Service Check

    4403-XXX 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.

  • Page 27: Paper Feed Service Check

    4403-XXX 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 28 4403-XXX 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 29: Paper Path Service Check

    4403-XXX 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 30: Power Service Check

    4403-XXX Power Service Check Action External Power Plug the external power supply into an outlet. Supply Check for + 30 V dc. If voltage is incorrect, replace the power supply. Printhead Cable Unplug the printer. Disconnect the printhead cable Paper Feed Motor and plug in the printer.

  • Page 31: Print Quality Service Check

    4403-XXX 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 32 4403-XXX 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 33: Scan/Copy Quality Service Check

    Images are • From the operator panel slanted or • From the Lexmark Scan and Copy program. crooked and the strait lines in the Check to see if there is any dust, deris on the image appear to glass.
  • Page 34 4403-XXX 2-18 Service Manual...

  • Page 35: Diagnostic Aids

    4403-XXX 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 36 4403-XXX Service Manual...

  • Page 37: Repair Information

    4403-XXX 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 38: Adjustments

    4403-XXX 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 39: Scanner Lid Assembly Removal

    4403-XXX Scanner Lid Assembly Removal 1. Open the lid. 2. Lift and remove. Rear Cover Removal 1. Remove two screws [A] from the rear cover. 2. Depress two latches [B] on the bottom of the rear cover. 3. Lift the rear cover and remove. Repair Information...

  • Page 40: Operator Panel Removal

    4403-XXX Operator Panel Removal 1. Remove the scanner lid. 2. Remove the rear cover. 3. Disconnect the operator panel cable from the system board. 4. Depress two latches on the left side of the operator panel. 5. Lift the operator panel and remove. Top Housing Assembly Removal 1.

  • Page 41: Ccd Module Assembly Removal

    4403-XXX CCD Module Assembly Removal 1. Remove the rear cover. 2. Disconnect the CCD cable from the system board. 3. Remove the top housing assembly. 4. Depress the shaft retainer [A]. 5. Lift and remove the shaft. 6. Remove the belt from pulleys. 7.

  • Page 42: Gear Train Assembly Removal

    4403-XXX Gear Train Assembly Removal 1. Remove the CCD module assembly. 2. Disconnect the gear train assembly cable from the system board. 3. Remove two screws [A]. 4. Lift and remove the gear train assembly. Access Cover Sensor Removal 1. Remove the top housing assembly. 2.

  • Page 43: Right Cover Removal

    4403-XXX Right Cover Removal 1. Remove the rear cover. 2. Depress two latches [A]. 3. Remove the right cover. Access Cover Removal 1. Remove the rear cover. 2. Remove the right cover. 3. Depress the access cover hinge. 4. Remove the access cover. Repair Information...

  • Page 44: Left Cover Removal

    4403-XXX Left Cover Removal 1. Remove the rear cover. 2. Depress two latches [A]. 3. Remove the left cover. Service Manual...

  • Page 45: Middle Frame Removal

    4403-XXX Middle Frame Removal 1. Remove the scanner lid assembly. 2. Remove the rear cover. 3. Remove the top housing assembly. 4. Disconnect the operator panel and CCD cables from the system board. 5. Remove left and right covers. 6. Remove the operator panel assembly. 7.
  • Page 46 4403-XXX 8. Depress the two clips [B] and slide the middle frame forward to remove. 4-10 Service Manual...

  • Page 47: Print Engine Removal

    4403-XXX Print Engine Removal 1. Remove the rear cover. 2. Remove the top housing assembly. 3. Remove the left cover. 4. Remove the right cover. 5. Remove the middle frame. 6. Move carrier to the center. 7. Remove three screws [B]. 8.

  • Page 48: Asf Module Removal

    4403-XXX ASF Module Removal 1. Remove the print engine. 2. Remove three screws [A]. 3. Remove the ASF module. System Board Removal 1. Remove the print engine. 2. Remove the ASF module. 3. Disconnect the transport and paper feed motor cables from the system board.

  • Page 49: Carrier Removal

    4403-XXX Carrier Removal 1. Remove the rear cover. 2. Remove the top housing assembly. 3. Remove the left and right covers. 4. Disconnect the carrier cable from the system board. 5. Loosen the set screw on the carrier belt tensioner. 6.

  • Page 50: Belt/Idler Pulley Assembly (Print Engine) Removal

    4403-XXX 4. Remove the maintenance station. Belt/Idler Pulley Assembly (Print Engine) Removal 1. Remove the middle frame. 2. Slide the carrier to the left. 3. Loosen the belt tensioner adjuster screw. 4. Depress the belt tensioner and remove the belt from the pulley. 5.

  • Page 51: Connector Locations

    4403-XXX 5. Connector Locations Units Description Printhead Cable Paper Feed Motor Carrier Transport Motor Scanner Motor Operator Panel Cover Sensor End-of-Forms Sensor CCD Module Connector Locations...
  • Page 52 4403-XXX Service Manual...

  • Page 53: Preventive Maintenance

    4403-XXX 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 54 4403-XXX Service Manual...

  • Page 55: Parts Catalog

    4403-XXX 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 56: Assembly 1: Covers

    4403-XXX Assembly 1: Covers Service Manual...
  • Page 57 4403-XXX Assembly 1: Covers Asm- Part Units Description Index Number 1–1 12G6141 Cover Assembly, Rear –1 56P1274 Cover Assembly, Rear (X85) –2 12G6140 Felt Pad Assembly –3 12G6138 Base Assembly –3 56P1272 Base Assembly (X85) –4 12G6135 Cover, Right –4 56P1270 Cover, Right (X85) –5...
  • Page 58 4403-XXX Assembly 1 (cont.): Covers Service Manual...
  • Page 59 4403-XXX Assembly 1 (cont.): Covers Assembly 1: Covers Asm- Part Units Description Index Number 1–1 12G6129 Scanner Lid Assembly –1 56P1266 Scanner Lid Assembly (X85) –2 12G6136 Paper Support ASF –2 56P1271 Paper Support ASF (X85) –3 12G6126 Top Housing Assembly –3 56P1262 Top Housing Assembly (X85)

  • Page 60: Assembly 2: Paper Feed, Frame And Carrier Transport

    4403-XXX Assembly 2: Paper Feed, Frame and Carrier Transport Service Manual...
  • Page 61 4403-XXX Assembly 2: Paper Feed, Frame and Carrier Transport Asm- Part Units Description Index Number 2–1 12G6121 ASF Module –1 56P1260 ASF Module (X85) –2 12G6120 Printing Engine –3 12G6151 Encoder Strip with Clip –4 12G6123 Idler Pulley Assembly –5 12G6149 Belt, Carrier –6...

  • Page 62: Assembly 3: Electronics

    4403-XXX Assembly 3: Electronics Service Manual...
  • Page 63 4403-XXX Assembly 3: Electronics Asm- Part Units Description Index Number 1–1 12G6177 CCD Module Assembly with Cable 12G6176 Cable, CCD –2 12G6125 Gear Train Assembly –3 12G6130 Operator Panel Assembly –3 56P1267 Operator Panel Assembly (X85) 12G6131 Operator Panel Overlays –4 56P1263 Board, System (X85)
  • Page 64 4403-XXX 7-10 Service Manual...
  • Page 65 4403-XXX Index Abbreviations Operator Panel Adjustments Paper Type button Black Copy button Parts Catalog Button Carrier Transport Black Copy Covers Cancel Electronics Color Copy Frame Lighter/Darker Paper Feed Menu Plastic Latches Number of Copies Power button Paper Type Power Consumption Power Power-On Self Test Quality...
  • Page 66 4403-XXX Maintenance Station 4-13 12G6131 Middle Frame 12G6133 Operator Panel 12G6134 Paper Support 12G6135 Print Engine 4-11 12G6136 Rear Cover 12G6137 Right Cover 12G6138 Scanner Lid Assembly 12G6139 System Board 4-12 12G6140 Top Housing Assembly 12G6141 12G6149 12G6150 12G6151 Safety Information 12G6153 Scan button 12G6154...

This manual is also suitable for:

X85

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