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

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Xerox 3400N - Phaser B/W Laser Printer Service Manual Download Page 1

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

X E R O X   P h a s e r

T M

 

3 4 0 0  

P e r s o n a l   L a s e r   P r i n t e r

Service Guide

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

Page 1: ...ersonnel 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 X E R O X...

Page 2: ...witch does not de energize the printer You must remove the power cord to disconnect the printer from the mains Keep the power cord accessible for removal in case of an emergency Read all installation...

Page 3: ...r using the power source 110 V or 220 V indicated on the marking label If you need to use an extension power cord with this printer make sure that it uses a three wire grounded cord and that the total...

Page 4: ...more than 264 Volts rms between the supply conductors or between either supply conductor and ground A protective ground connection by way of the grounding conductor in the power cord is essential for...

Page 5: ...t hazardous laser radiation this is possible only because the laser beam is totally enclosed during all modes of customer operation Never operate and service the printer with the protective cover remo...

Page 6: ...to nearby radio and television reception switch the equipment off to determine if it is the true cause of the interference If the equipment is the cause of the interference the user should try to mini...

Page 7: ...ils de classe B stipul s das le r glement sur le brouillage radio letrique du Minist re des Communcations du Canada European Notice This equipment was tested and is determined to be compliant with VDE...

Page 8: ...ectrical charges sufficient to damage ESDs Use only a ground tip soldering iron when soldering or desoldering ESDs Use only an anti static solder removal device Some solder removal devices are not rat...

Page 9: ......

Page 10: ...l 15 Network Interface Specifications 16 Printing a Cleaning or Configuration Page 17 Repair Analysis Procedures RAPs 19 Using Repair Analysis Procedure Tables 19 Service Call Procedures 20 RAP 1 Entr...

Page 11: ...y 53 RRP 15 Installing the Optional Network Card 54 RRP 16 Installing the Optional 550 Sheet Lower Paper Tray 2 55 RRP 17 Repacking Instructions 56 FRU Parts List 57 PL 1 Main Assemblies 58 PL 2 Cover...

Page 12: ...aserTM 3400 Service Quick Reference Guide is used for repairing troubleshooting and maintaining the printer This manual covers specific procedures Repair Analysis Procedures Troubleshooting Removal an...

Page 13: ...configuration page This section contains a Service Flowchart for handling Repair Analysis Procedures for the printer and vital information regarding service call procedures Basic troubleshooting for...

Page 14: ...ith 45 scalable fonts and 1 PCL bit mapped font The printer has PostScript Level 3 and Epson FX80 emulations The Print Engine Controller Board generates all the voltages for the printer and controls t...

Page 15: ...4 Xerox Phaser 3400 Printer Service Guide P3400 002 7 6 5 1 2 3 4 P3400 003 3 4 2 1 6 5...

Page 16: ...able Top LED on Connected to the Network Bottom LED blinking The NIC card is functioning live and ready to receive data Optional 10 100 BaseT NIC Internal network card with LED lights USB Universal Se...

Page 17: ...he printer The Control Panel includes two buttons and four LEDs indicating the printers status as follows If all lights are blinking this indicates a system error Turn the power off and then back on t...

Page 18: ...5 8 6 5 7 4 8 4 7 8 8 8 7 4 4 7 8 8 8 7 4 7 5 8 8 8 8 2 99 34 9 3 9 9 5 9 7 9 9 7 9 4 7 7 9 5 7 5 7 5 8 8 8 8 8 8 8 8 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...

Page 19: ...ditional RAM Improves system performance Improves processing of complex jobs Memory 3 2 Memory can expand to include a 16 32 64 Mbyte DIMM The memory DIMM is a customer installable device and can only...

Page 20: ...ly 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 Allow air circulation arou...

Page 21: ...Guide Always place the printer on a flat stable surface Maintain the clearance distances below for ventilation purposes on all sides Do not obstruct the cables paper trays or output trays 5 2 5 P3400...

Page 22: ...ver Mode reduces power consumption The Power Saver menu selection can be modified by the user in the Remote Control Panel RCP The software for the RCP needs to be installed from the CD ROM that accomp...

Page 23: ...ide 2 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 2 1 1 5 5 5 4 5 5 5...

Page 24: ...General Information 13 55 7 55 G 4 55 C 55 7 55 G 55 55 2 2 2 2 C 0 3 5 62 H H H 2 H H H C 6 H H 5 2 2 C 6 I C7 A C 2 5 C 2 0 2 0 2 0 C I45 50 A0 C 5...

Page 25: ...14 Xerox Phaser 3400 Printer Service Guide 4 Item Part Number 2 7 40555 5 55 2 7 0555 5 55 F 62 A 0 5 0 62 59 5 55 G 55 59 5 4 59 5 9 59 5 5 J 59 5 J 9 J 5...

Page 26: ...Prompt window The Remote Control Panel can be used when the printer is connected via the parallel interface for all Windows operating systems The Remote Control Panel can be used through the USB or pa...

Page 27: ...Xerox Phaser 3400 Printer Service Guide 0 1 0 1 0 1 3 9 6940 3 94 C0 3 50 3 555 3 3 70 6 0 C C I 6 3 9 694 C0 3 0 3 5550 3 I6 I 3 9 6940 3 94 C0 3 0 3 5550 3 2 622 3 9 694 C0 3 0 3 5550 C C 56 55 K G...

Page 28: ...ton The printer will produce one page Depending on the contamination the page may contain a heavy concentration of background More than one cleaning cycle may be required to remove contamination Repla...

Page 29: ...18 Xerox Phaser 3400 Printer Service Guide...

Page 30: ...wer cord connected to the printer Is the other end of the AC power cord plugged into a grounded three pronged AC wall outlet Is the printer located in an area where the temperature and humidity are mo...

Page 31: ...20 Xerox Phaser 3400 Printer Service Guide The basic troubleshooting steps are outlined in the Call Flow Diagram below All service calls begin with Initial Actions and end with Final Actions 5 2 L G...

Page 32: ...ing environment with no extremes of heat humidity or dirt The printer is not exposed to direct sunlight The printer is on a level stable surface If the printer has an obvious failure or fault you can...

Page 33: ...les Ensure that the paper tray has a good supply of fresh paper and the tray is fully inserted in the printer Ensure that the Print Cartridge is properly installed Ensure that all covers are properly...

Page 34: ...Repair Analysis Procedures 23 4 8 2C 0 C M C 5 2C 0 5 1 A C M C 5 2 25 0 5 1 C M 3 5 3 5 33 M 0 4 C B 4 2 4 C 1...

Page 35: ...e Remote Control Panel settings to determine whether an image quality problem is being caused by the printer or by the PC If the configuration page prints normally but in the online mode the prints ha...

Page 36: ...Analysis Procedures 25 4 D 1 A H 5 5 H 5 5 54 H 5 5 H 5 5 54 2 B B 5 5 B 5 B 5 54 3 5 A 45 HB B 5 5 HB 5 B 5 5 7 A 55 HB 5 B 5 5 5 5 5 7 1 5 0 5 N N 5 94 5 5 554 5 5 5 5 5 5 7 1 N N 5 94 5 5 554 5 5 5...

Page 37: ...Guide 4D Perform the Print Cartridge cleaning procedure before proceeding with print quality troubleshooting routines The Print Cartridge cleaning procedure can be found on page 17 D 5 0 7 1 2 C 2 2 2...

Page 38: ...Repair Analysis Procedures 27 5 1 2 N P 2 7 1 2 2C R 5 5 M 0 2 2C R 0 M 5 5 0 4 2 2 3 C 0 C 2 0 D C 5...

Page 39: ...28 Xerox Phaser 3400 Printer Service Guide 7 1 3 1 6 0 6 6 7 6 9 5 9 M 0 E 7 A 2 6 6 2 5 G 0 0 2 6 0 Q C 0 M 0 6 6 5 1 6 0 6 6 D C 5...

Page 40: ...Repair Analysis Procedures 29 1 0 0 4 6 6 E 5 D C 5...

Page 41: ...e the specified parts in the order they are given For replacing or removing specific parts go to Removal and Replacement Procedures RRPs on page 37 and follow the appropriate procedure 0 DCU codes are...

Page 42: ...Repair Analysis Procedures 31 0 5 C M C C M C 5 9 2 C7 0 C7 C7 M C C7 C M C7 C 5 2 C 1...

Page 43: ...laser printers Transparencies specifically designed for laser printers Envelopes with a seal must have adhesives compatible with the heat and pressure of the printer s fusing process Avoid Paper with...

Page 44: ...The solenoid armature releases the media unit clutch and the pick up roller makes one revolution This drives the paper to the Feed Roller and Pinch Roller Note the shape of the Pick Up Roller The flat...

Page 45: ...ed by the sensor tells the Print Engine Controller Board that the paper is almost at the transfer area and it is time to start the xerographic process It is important that the leading edge of the pape...

Page 46: ...roll the toner is melted into the paper forming a permanent image The temperature of the heat roll is monitored by a thermistor that sends signals to the Print Engine Controller Board The Fuser drives...

Page 47: ...36 Xerox Phaser 3400 Printer Service Guide...

Page 48: ...cement Procedures are always referenced from the front of the printer as you are facing the control panel The following notations apply Arrows in the illustration show direction of movement The number...

Page 49: ...38 Xerox Phaser 3400 Printer Service Guide 4 3 4 6 P3400 015 Fig 1 Fig 2...

Page 50: ...Removal and Replacement Procedures 39 2 0 When replacing the main cover be careful not to snap off the Multi Purpose Feeder actuator P3400 017 Fig 3 Fig 4...

Page 51: ...40 Xerox Phaser 3400 Printer Service Guide 4 3 4 3 0 When replacing the main cover be careful not to snap off the Multi Purpose Feeder actuator P3400 018...

Page 52: ...Removal and Replacement Procedures 41 4 G If the Print Cartridge is going to be out for longer than a few moments be sure to protect it from the light P3400 019...

Page 53: ...42 Xerox Phaser 3400 Printer Service Guide 4 14 0 7 6 A Fig 1...

Page 54: ...Removal and Replacement Procedures 43 Q 0 P3400 021 Fig 1 Fig 2...

Page 55: ...44 Xerox Phaser 3400 Printer Service Guide 4 3 4 3 6 0 0 When replacing the Main Cover be careful not to snap off the MPF actuator P3400 025...

Page 56: ...Removal and Replacement Procedures 45 4 6 2 C7 0 When replacing the main cover be careful not to snap off the Multi Purpose Feeder actuator P3400 028...

Page 57: ...r 3400 Printer Service Guide 4 0 Be sure to replace the appropriate screws when reassembling the Fuser Assembly 0 When replacing the main cover be careful not to snap off the Multi Purpose Feeder actu...

Page 58: ...Removal and Replacement Procedures 47 4 3 5 3 7 6 0 When replacing the main cover be careful not to snap off the Multi Purpose Feeder actuator P3400 033 Fig 1 Fig 2...

Page 59: ...e Roller Save the Clip Bushings and Gear from the Bias Transfer Roller 0 Be careful not to touch the Bias Transfer Roller with your hands or drop the gear off the Shaft end 6 0 Ensure that the Gear on...

Page 60: ...C 0 Do not bind the registration actuator against the print engine controller board Ensure that the registration actuator moves freely 0 When replacing the main cover be careful not to snap off the Mu...

Page 61: ...50 Xerox Phaser 3400 Printer Service Guide 4 7 6 P3400 037 Fig 1 Fig 2...

Page 62: ...Removal and Replacement Procedures 51 4 C7 2 2 6 2 2 0 When replacing the main cover be careful not to snap off the Multi Purpose Feeder actuator P3400 038...

Page 63: ...osition if the printer is tilted to the side If the springs are removed caution needs to be used to ensure that the proper spring is replaced in its proper location Not all the springs are alike 0 Whe...

Page 64: ...sident base memory which is expandable to 80 Mbytes by installing additional DIMMs The system has two slots one is dedicated to an SDRAM 0 Memory can be installed into the lower DIMM slot only To inst...

Page 65: ...54 Xerox Phaser 3400 Printer Service Guide 4 0 1 6 P3400 058 Fig 1 Fig 2...

Page 66: ...Removal and Replacement Procedures 55 4 6 4 6 6 P3400 060...

Page 67: ...1 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 t...

Page 68: ...oved components as they become available When ordering parts and or supplies it is important to include the following information Component s part number Printer type or model number Printer serial nu...

Page 69: ...58 Xerox Phaser 3400 Service Guide 4 3 P3400 041 5 6 2 3 16 15 1 12 8 21 4 13 19 17 18 9 20 10 14 22 7 11...

Page 70: ...umber Qty Description 106R00461 106R00462 J 4J 062K13370 2 2 127K42210 4 022N01301 9 5 059K28920 C7 126K22080 126K22090 5 5 022N01304 109R00526 5 5 160K88590 105E14930 9 160K88600 160K88610 5 C 5 C 5...

Page 71: ...60 Xerox Phaser 3400 Service Guide 4 7 P3400 040 12 1 9 8 6 7 5 4 11 1 1 8 3 13 14 9 2 15 16...

Page 72: ...FRU Parts List 61 4 7 No Part Number Qty Description C 2 2C 4 2C 2 9 5 C7 G 2 117E21930 5 117E21940...

Page 73: ...62 Xerox Phaser 3400 Service Guide 4 3 7 J 0 3 2 P3400 042 6 5 8 3 2 1 9 4...

Page 74: ...FRU Parts List 63 4 3 7 J 0 3 2 No Part Number Qty Description 160K88600 160K88610 C 5 C 5 105E14930 160K88590 4 097S02718 097S02719 097S02720 J 9 097S02722 56 55...

Page 75: ...64 Xerox Phaser 3400 Service Guide 4 4 No Part Number Qty Description 097S02716 2 5 P3400 062...

Page 76: ...FRU Parts List 65 4 4 2 4 6K 6K P3400 056 38 27 26 24 23 22 21 25 18 20 19 28 35 34 30 29 33 31 32 17 16 15 14 1 13 9 11 1 12 10 3 5 8 6 7 37 36 4 2 1 12...

Page 77: ...66 Xerox Phaser 3400 Service Guide 6 4 3 5 3 3 5 4 2 4 K P3400 051 1 2 3 4 5 6 7 8 9 10 11 13 1...

Page 78: ...FRU Parts List 67 4 14 14 4 2 4 0 P3400 053 22 4 20 17 16 10 10 15 1 10 15 3 19 6 18 21 5 13 2 14 23 5 2 26 24 25 5 2 7 12 9 11 5 2 8...

Page 79: ...68 Xerox Phaser 3400 Service Guide 4 3 4 3 4 4 2 4 0 P3400 054 25 3 18 15 17 18 16 9 19 26 22 13 7 24 27 6 14 21 20 4 10 2 12 11 16 8 1 25...

Page 80: ...FRU Parts List 69 4 2 2 4 2 4 K P3400 052 16 18 2 18 1 18 17 16 15 14 13 9 7 8 6 5 12 10 11 4 2 3 1 0...

Page 81: ...13370 105E14930 6 J 106R00461 6 4J 106R00462 5 109R00526 0 5 117E21930 117E21940 0 5 126K22080 0 5 126K22090 127K42210 160K88590 C 0 5 160K88600 C 0 5 160K88610 J 600N01672 602E86670 J 695K12330 5 2 0...

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