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  5. Service Manual

Xerox Phaser 4 400 Service Manual

Summary of Phaser 4 400

  • Page 1

    Service manual p h a s e r ™ l a s e r p r i n t e r 4400

  • Page 2: Phaser™ 4400

    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 the operating instructions, unless you are qualified to do so. First printing: june 2002 071-0861-00 phaser™ 4400 laser pr...

  • Page 3: General Information

    Phaser 4400 laser printer service manual xiii contents general information 1-1 section contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 phaser 4400 laser printer overview . . . . . . . . . . . . . . . . . . . . 1-2 parts of the printer . . . . . . . . . . . . . . ....

  • Page 4: Cleaning And Maintenance

    Xiv phaser 4400 laser printer service manual cleaning and maintenance 5-1 service preventive maintenance procedure . . . . . . . . . . . . . . . 5-1 fru disassembly 6-1 list of procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1 covers and trays . . . . . . . . . . ....

  • Page 5: Wiring Data

    Phaser 4400 laser printer service manual xv laser control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-25 fuser control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-26 erase cycle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

  • Page 6: Section Contents

    Phaser 4400 laser printer service manual 1-1 general information the xerox phaser™ 4400 laser printer service manual is the primary document used for repairing, maintaining and troubleshooting. To ensure complete understanding of the product, participation in xerox phaser 4400 service training is re...

  • Page 7: Introduction

    Phaser 4400 laser printer service manual 2-1 error messages and codes introduction this section covers troubleshooting procedures for the phaser 4400 laser printer’s front panel error messages. Only jams and fatal errors will produce an associated numeric code. Error messages and codes are usually s...

  • Page 8: Introduction

    Phaser 4400 laser printer service manual 3-1 troubleshooting introduction this section covers two types of troubleshooting procedures: ■ troubleshooting procedures for problems not directly associated with error messages or codes ■ troubleshooting procedures for image-quality (iq) problems troublesh...

  • Page 9: Service Test Prints

    Phaser 4400 laser printer service manual 4-1 tests prints, adjustments, and nvram reset service test prints there are two test prints stored in the printer that are primarily intended for service use. One is the test print that is accessible from the printer’s printable pages menu when you select pr...

  • Page 10: Procedure

    Phaser 4400 laser printer service manual 5-1 cleaning and maintenance service preventive maintenance procedure perform the following procedures whenever you check, service, or repair a printer. Cleaning the printer, as outlined in the following steps, assures proper operation of the printer and redu...

  • Page 11: List Of Procedures

    Phaser 4400 laser printer service manual 6-1 fru disassembly this section contains step-by-step removal procedures for a specific component or assembly. Numbers in the illustrations refer to steps in the procedure. For example: if step 3 in a procedure instructs you to remove a screw, the screw in t...

  • Page 12: Using The Parts Lists

    Phaser 4400 laser printer service manual 7-1 parts lists using the parts lists the parts lists section provides exploded view illustrations of all spared subsystem components and a listing of the corresponding part numbers. The illustrations show the relationships between parts. ■ each callout numbe...

  • Page 13: Section Contents

    Phaser 4400 laser printer service manual 8-1 theory of operation section contents print process overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-3 print process description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-5...

  • Page 14: Section Contents

    Phaser 4400 laser printer service manual 9-1 wiring data section contents introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9-2 location of p/j connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9...