3-178
Phaser 7500 Printer Service Manual
Error Messages and Codes
3
Check the following:
■
The Flat Cable between the MCU
PWB J555 and the LPH Rear PWB
(C) J559 for open circuit, short
circuit, and poor contact.
■
The Flat Cable between the LPH H
PWB (C) J567and the LPH (C)
J575 for open circuit, short circuit,
and poor contact (connection
within the LPH Unit).
■
The connector (P/J579) between
the LPH Rear PWB (C) and the LPH
H PWB (C) for damage and debris.
■
The LPH Unit (C) for improper
installation.
■
The Drum/ Deve Drive Motor (Y,
M, C) for improper installation
(affected by the noises caused by
improper installation).
Are they normal, without any short
circuit, poor contact, and debris?
Replace the
following parts
in sequence:
■
LPH Unit (C)
(REP 2.1,
)
■
LPH Cable
Assembly
■
LPH Rear
PWB (REP
2.4,
)
■
MCU PWB
(REP 18.12,
)
Repair the
sections that
have short
circuits and
poor contacts
or, remove the
debris.
Troubleshooting Procedure (Continued)
Step
Actions and Questions
Yes
No
Summary of Contents for PHASER 7500
Page 1: ...Phaser 7500 Color Printer Phaser 7500 Service Manual Xerox Internal Use Only ...
Page 2: ......
Page 60: ...1 30 Phaser 7500 Printer Service Manual General Information ...
Page 448: ...3 310 Phaser 7500 Printer Service Manual Error Messages and Codes ...
Page 484: ...4 36 Phaser 7500 Printer Service Manual General Troubleshooting ...
Page 544: ...5 60 Phaser 7500 Printer Service Manual Print Quality Troubleshooting ...
Page 545: ...6 Chapter Adjustments and Calibrations In this chapter Adjustments Calibrations ...
Page 554: ...6 10 Phaser 7500 Printer Service Manual Adjustments and Calibrations ...
Page 562: ...7 8 Phaser 7500 Printer Service Manual Cleaning and Maintenance ...
Page 900: ...9 118 Phaser 7500 Printer Service Manual Parts List ...
Page 958: ...10 58 Phaser 7500 Printer Service Manual Plug Jack and Wiring Diagrams ...
Page 980: ...11 22 Phaser 7500 Printer Service Manual Reference ...
Page 990: ...I 10 Phaser 7500 Printer Service Manual Index ...
Page 991: ......