Xerox 3400N - Phaser B/W Laser Printer Service Manual
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Xerox 3400N - Phaser B/W Laser Printer Service Manual

Xerox 3400N - Phaser B/W Laser Printer Service Manual

Personal laser printer
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X E R O X P h a s e r
P e r s o n a l L a s e r P r i n t e r
Ser vice Gu ide
Warning
The following servicing instructions are for
use by qualified service personnel only. To
avoid personal injury, do not perform any
servicing other than that contained in
operating instructions unless you are qualified
to do so.
First printing: June 2001
071-0826-00
3 4 0 0
T M

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Summary of Contents for Xerox 3400N - Phaser B/W Laser Printer

  • Page 1 X E R O X P h a s e r 3 4 0 0 P e r s o n a l L a s e r P r i n t e r Ser vice Gu ide Warning The following servicing instructions are for use by qualified service personnel only.
  • Page 2 CAUTION Conditions that can result in damage to the product. WARNING Conditions that can result in personal injury or loss of life. For 110 VAC printers, do not apply more than 135 Volts RMS between the supply conductors or between either supply conductor and ground. Use only the specified power cord and connector.
  • Page 3 Read each Caution Carefully: Do not use the printer near water or in inclement weather. Do not place the printer on any unstable surface; the product may fall causing serious damage to the product. Select a work surface that is large enough to hold the printer.
  • Page 4 Service Safety Summary For qualified service personnel only: Refer also to the preceding User Safety Summary. Note: Requirements for the AC power are on the label affixed to the rear of the printer. Check the AC voltage rating requirement before use. Do not service alone: Do not perform internal service or adjustment of this product unless another person capable of rendering first aid or resuscitation is present.
  • Page 5 This product is certified under IEC 825 as a Class 1 Laser Product. CLASS 1 LASER PRODUCT The Xerox Phaser 3400 Laser Printer is certified to comply with Laser Product Performance Standards set by the U.S. Department of Health and Human Services as a Class 1 Laser Product.
  • Page 6 Federal Communications Commission Compliance This equipment has been tested and found to comply with the limits set for a Class B digital device, as stated in Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a commercial installation.
  • Page 7 Canadian Notice This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus as described in the radio interference regulations of the Canadian Department of Communications. Avis Canadien Cet appareil numerique est conforme aux limites émission de bruits radioélectriques pour les appareils de classe B stipulés das le réglement sur le brouillage radioéletrique du Ministére des Communcations du Canada.

  • Page 8: Esd Precautions

    ESD Precautions Some semiconductor devices are easily damaged from static electricity. These components are Electrostatically Sensitive Devices (ESDs); examples include integrated circuits (ICs), Large-Scale Integrated circuits (LSIs), some field-effect transistors and semiconductor chip components. The following techniques will reduce the occurrence of component damage caused by static electricity: Caution: Be sure the power is off to the chassis or circuit board, and observe all other safety precautions.

  • Page 10: Table Of Contents

    Functional Specifications ........13 Xerox Supplies and Accessories ....... . . 14 Remote Control Panel .

  • Page 11: Fru Parts List

    Parts List Summary Table ......... 70 Xerox Phaser 3400 Printer Service Guide...

  • Page 12: General Information

    General Information The Xerox Phaser 3400 Service Quick Reference Guide is used for repairing, troubleshooting and maintaining the printer. This manual covers specific procedures, Repair Analysis Procedures, Troubleshooting, Removal and Replacement Procedures and FRU Parts List. P3400-001 General Information...

  • Page 13: Organization Of This Manual

    This section contains a general overview of the printer and basic information regarding printer base memory, specifications, media, electrical and regulatory information. For information on the Theory of Operation and Wiring diagrams for the Xerox Phaser 3400 printer please refer to the Service web site.

  • Page 14: Phaser 3400 Printer Overview

    1200 x 1200 dpi can be achieved with PCL6 and PostScript Level 3 drivers. The Xerox Phaser 3400 printer operates at 110 V at 60 Hz or 220 V at 50 Hz, using approximately 300 Watts in Print Mode, 70 Watts in Standby and 20 Watts in power saver mode.

  • Page 15: Parts Of The Printer

    P3400-002 P3400-003 Xerox Phaser 3400 Printer Service Guide...

  • Page 16: Rear Panel

    P3400-004 The Xerox Phaser 3400 printer comes equipped with a USB and Parallel connection. There is an optional Network Interface Card available. Top LED on = Connected to the Network. Bottom LED blinking = The NIC card is functioning, live and ready to receive data.

  • Page 17: Front Control Panel

    LEDs indicating the printers status as follows: P3400-005 If all lights are blinking, this indicates a system error. Turn the power off and then back on to attempt to clear. Xerox Phaser 3400 Printer Service Guide...

  • Page 18: Paper Input Devices

    Input Source * Acceptable Weight ‡ ‡ Minimum size: 80 x 148 mm (3.15 x 5.83 in.); maximum size: 215.9 x 355.6 mm (8.5 x 14 in.) Print single-sided only For envelopes, open the rear face-up tray for output. The optional 550-sheet paper tray 2 can also handle envelopes.

  • Page 19: General Specifications

    Memory Memory can expand to include a 16-, 32-, 64-Mbyte DIMM. The memory DIMM is a customer-installable device and can only be purchased from Xerox. The DIMM is an unbuffered, Xerox proprietary, (100-pin, 50-ns, No Parity, 3.3 SDRAM DIMM). Memory can be installed in the lower DIMM slot only.

  • Page 20: Physical Dimensions

    Place the printer on a flat, stable surface near your workstation. Leave enough space around the printer so you can easily perform the following: Open the printer top cover. Load paper. Retrieve paper. Open the front multi-purpose feeder tray and retrieve paper from the rear output face-down tray.
  • Page 21 Maintain the clearance distances below for ventilation purposes on all sides. Do not obstruct the cables, paper trays or output trays. 6 in 6 in 15 cm 15 cm 12 in 30 cm P3400-007 Xerox Phaser 3400 Printer Service Guide...

  • Page 22: Electrical Specifications

    The Xerox Phaser 3400 printers are available in either a 110- or a 220-Volt configuration. The Xerox Phaser 3400 printer has an on/off power switch located on the left rear corner of the printer. The printer is equipped with a grounded power socket.

  • Page 23: Environmental Specifications

    The printer must not be exposed to any of the following: Abrupt changes in temperature or humidity Condensation Direct sunlight Chemicals Vibration Dusty or dirty environments Xerox Phaser 3400 Printer Service Guide...

  • Page 24: Functional Specifications

    General Information...

  • Page 25: Xerox Supplies And Accessories

    Item Part Number Xerox Phaser 3400 Printer Service Guide...

  • Page 26: Remote Control Panel

    USB or parallel port for Windows 98 SE, Windows Me, Windows NT and Windows 2000. Install the Remote Control Panel utility from the Xerox Phaser 3400 printer CD-ROM. To change settings using the Remote Control Panel: Click Start, select Programs, select Xerox Phaser 3400 Utility, and then click Remote Control Panel.

  • Page 27: Network Interface Specifications

    Xerox Phaser 3400 Printer Service Guide...

  • Page 28: Printing A Cleaning Or Configuration Page

    Printing a Cleaning or Configuration Page This section covers the printing of a cleaning page and a configuration page. This procedure is used to remove excess toner and contamination from the Print Cartridge. Press and hold the Print button until all four LEDs remain lighted (not blinking) then release the button.
  • Page 29 Xerox Phaser 3400 Printer Service Guide...

  • Page 30: Repair Analysis Procedures (Raps)

    Repair Analysis Procedures (RAPs) In each of the following Repair Analysis Procedures you are instructed to check specific parts or operations of the printer. These checks will be followed by a probable cause and a possible solution to the problem. Repair Analysis Procedures may instruct you to remove or replace a component.

  • Page 31: Service Call Procedures

    The basic troubleshooting steps are outlined in the Call Flow Diagram below. All service calls begin with Initial Actions and end with Final Actions. Xerox Phaser 3400 Printer Service Guide...
  • Page 32 Question the operator and verify the problem. Check that the printer paper path is clear of foreign matter such as staples, paper clips and paper scraps. Verify that the registration and exit actuators are in place and move freely. After you have identified the problem symptom, check the following items: The printer is connected to a wall power outlet, and the outlet is supplying the correct voltage.

  • Page 33: Rap 1 Entry-Level Procedure And Printer Operation Problems

    Ensure that all covers are properly closed. Print a configuration paget to verify operation and print quality. For more information on printing a configuration page, refer to ”Printing a configuration page”on page 17. DCU Codes are for Depot repair only. Xerox Phaser 3400 Printer Service Guide...
  • Page 34 Repair Analysis Procedures...

  • Page 35: Print-Image Quality Specifications

    PC. If the configuration page prints normally, but in the online mode the prints have an image-quality problem, the problem may be in the System Controller Board, Interface Cable, or with the Host computer. Xerox Phaser 3400 Printer Service Guide...
  • Page 36 Repair Analysis Procedures...

  • Page 37: Rap 2 Print Image-Quality Problems

    Perform the Print Cartridge cleaning procedure before proceeding with print-quality troubleshooting routines. The Print Cartridge cleaning procedure can be found on page Xerox Phaser 3400 Printer Service Guide...
  • Page 38 5HIHU WR WKH &RPSRQHQW &LUFXPIHUHQFH 7DEOH IRU GHIHFW SLWFK Repair Analysis Procedures...
  • Page 39 5HIHU WR WKH &RPSRQHQW &LUFXPIHUHQFH 7DEOH IRU GHIHFW SLWFK Xerox Phaser 3400 Printer Service Guide...
  • Page 40 Repair Analysis Procedures...

  • Page 41: Rap 3 Paper Jams And Paper Feed Problems

    Prior to performing any of the Jam procedures, verify that the Registration and Fuser Exit actuators are not held actuated and move without binding. Refer to printer paper path on page 32 for actuator locations. Xerox Phaser 3400 Printer Service Guide...
  • Page 42 Repair Analysis Procedures...

  • Page 43: Printer Paper Path

    Pick-Up Exit Tray Roller Feeding Roller Cartridge Fuser Exit Drum Sensor Transfer Roller Pressure Pick-Up Roller Roller Tray 1 Out of Paper Actuator Tray 1 Tray 2 Out of Paper Actuator Tray 2 P3400-0010 Xerox Phaser 3400 Printer Service Guide...
  • Page 44 Registration Printed Paper Sensor Heat Fuser (250 sheets stacking: Exit Roller face down) Roller Idle Roller Exit Roller Pick-Up Cartridge Roller Fuser Exit Drum Sensor Pressure Feed Transfer Roller Pick-Up Roller Roller Roller Tray 1 Out of Paper Actuator Tray 1 Tray 2 Out of Paper Actuator Tray 2...
  • Page 45 View Actuator Paper Out Actuator Fuser Exit Sensor Actuator P3400-012 The registration and paper out sensors are mounted on the Print Engine Controller Board. The Fuser Exit sensor is mounted on the rear frame. Xerox Phaser 3400 Printer Service Guide...
  • Page 46 The feed and pinch rollers continue to drive the paper into the transfer area where the image is transferred from the drum to the paper. The paper continues to the fusing area where it goes between the fuser rollers. The heat roll is heated by a halogen lamp.
  • Page 47 Xerox Phaser 3400 Printer Service Guide...

  • Page 48: Removal And Replacement Procedures (Rrps)

    Removal and Replacement Procedures (RRPs) This section contains the removal and replacement procedures for spared parts in the printer. In most cases, to reinstall a part, simply reverse the Removal Procedure shown. Locations given in the Removal and Replacement Procedures are always referenced from the front of the printer as you are facing the control panel.

  • Page 49: Rrp - 1 Main Cover

    Fig. 1 Fig. 2 P3400-015 Xerox Phaser 3400 Printer Service Guide...
  • Page 50 Fig. 3 Fig. 4 P3400-017 When replacing the main cover, be careful not to snap off the Multi-Purpose Feeder actuator. Removal and Replacement Procedures...

  • Page 51: Rrp - 2 Multi-Purpose Feeder Cover (Mpf)

    P3400-018 When replacing the main cover, be careful not to snap off the Multi-Purpose Feeder actuator. Xerox Phaser 3400 Printer Service Guide...

  • Page 52: Rrp - 3 Print Cartridge

    P3400-019 If the Print Cartridge is going to be out for longer than a few moments, be sure to protect it from the light. Removal and Replacement Procedures...

  • Page 53: Rrp - 4 Pick-Up Roll Assembly

    Fig. 1 Xerox Phaser 3400 Printer Service Guide...
  • Page 54 Fig. 1 Fig. 2 P3400-021 Removal and Replacement Procedures...

  • Page 55: Rrp - 5 Multi-Purpose Feeder (Mpf) Assembly

    P3400-025 When replacing the Main Cover, be careful not to snap off the MPF actuator. Xerox Phaser 3400 Printer Service Guide...

  • Page 56: Rrp - 6 Fuser Exit Assembly

    P3400-028 When replacing the main cover, be careful not to snap off the Multi-Purpose Feeder actuator. Removal and Replacement Procedures...

  • Page 57: Rrp - 7 Fuser Assembly

    P3400-029 Be sure to replace the appropriate screws when reassembling the Fuser Assembly. When replacing the main cover, be careful not to snap off the Multi-Purpose Feeder actuator. Xerox Phaser 3400 Printer Service Guide...

  • Page 58: Rrp - 8 Main Drive Motor Assembly

    Fig. 1 Fig. 2 P3400-033 When replacing the main cover, be careful not to snap off the Multi-Purpose Feeder actuator. Removal and Replacement Procedures...
  • Page 59 Be careful not to touch the Bias Transfer Roller with your hands or drop the gear off the Shaft end. Ensure that the Gear on the right end of the Bias Transfer Roller is in place. Xerox Phaser 3400 Printer Service Guide...
  • Page 60 Fig. 1 Fig. 2 Fig. 3 P3400-036 Do not bind the registration actuator against the print engine controller board. Ensure that the registration actuator moves freely. When replacing the main cover, be careful not to snap off the Multi-Purpose Feeder actuator. Removal and Replacement Procedures...
  • Page 61 Fig. 1 Fig. 2 P3400-037 Xerox Phaser 3400 Printer Service Guide...
  • Page 62 P3400-038 When replacing the main cover, be careful not to snap off the Multi-Purpose Feeder actuator. Removal and Replacement Procedures...
  • Page 63 Not all the springs are alike. When replacing the main cover be careful not to snap off the Multi-Purpose Feeder actuator. Xerox Phaser 3400 Printer Service Guide...
  • Page 64 The printer comes equiped with 16 Mbytes of resident base memory, which is expandable to 80 Mbytes by installing additional DIMMs. The system has two slots, one is dedicated to an SDRAM Memory can be installed into the lower DIMM slot only. To install additional memory: Fig.
  • Page 65 Fig. 1 Fig. 2 P3400-058 Xerox Phaser 3400 Printer Service Guide...
  • Page 66 P3400-060 Removal and Replacement Procedures...
  • Page 67 If a printer needs to be sent to Depot Repair, remove all options, such as the NIC Card (RRP - 15), Memory (RRP - 14) and the optional lower Paper Tray 2 Assembly (RRP - 16). Remove the Print Cartridge and follow the directions below for repackaging. P3400-061 Xerox Phaser 3400 Printer Service Guide...
  • Page 68 FRU Parts List This section provides a list of Field Replaceable Units for the Xerox Phaser 3400 Laser Printer. Changes to the printer may be made to accommodate improved components as they become available. When ordering parts and/or supplies, it is important to include the following information: Component’s part number...
  • Page 69 P3400-041 Xerox Phaser 3400 Service Guide...
  • Page 70 Part Number Description 106R00461 106R00462 062K13370 127K42210 022N01301 059K28920 126K22080 126K22090 022N01304 109R00526 160K88590 105E14930 160K88600 160K88610 097S02716 600N01672 059K29120 FRU Parts List...
  • Page 71 P3400-040 Xerox Phaser 3400 Service Guide...
  • Page 72 Part Number Description 117E21930 117E21940 FRU Parts List...
  • Page 73 P3400-042 Xerox Phaser 3400 Service Guide...
  • Page 74 Part Number Description 160K88600 160K88610 105E14930 160K88590 097S02718 097S02719 097S02720 097S02722 FRU Parts List...
  • Page 75 P3400-062 Part Number Description 097S02716 Xerox Phaser 3400 Service Guide...
  • Page 76 P3400-056 FRU Parts List...
  • Page 77 P3400-051 Xerox Phaser 3400 Service Guide...
  • Page 78 P3400-053 FRU Parts List...
  • Page 79 P3400-054 Xerox Phaser 3400 Service Guide...
  • Page 80 18-2 18-1 P3400-052 FRU Parts List...
  • Page 81 022N01301 022N01304 059K28920 059K29120 062K13370 105E14930 106R00461 106R00462 109R00526 117E21930 117E21940 126K22080 126K22090 127K42210 160K88590 160K88600 160K88610 600N01672 602E86670 695K12330 097S02716 097S02718 097S02719 097S02720 097S02722 301K05940 071-0826-00 Xerox Phaser 3400 Service Guide...

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