3-112
Phaser 7500 Printer Service Manual
Error Messages and Codes
4
Check the connections between
the Motor Drive PWB J508 and the
Drum/ Deve Drive Motor (K) J240,
as well as between the Motor Drive
PWB J506 and the Drum/ Deve
Drive Motor (K) J241 for open
circuits, short circuits, and poor
contacts.
Are they conducting properly?
Replace the
following parts
in sequence:
■
Drum/Deve
Drive Motor
(K) (REP 3.9,
■
Motor Drive
PWB (REP
18.13,
)
■
MCU PWB
(REP 18.12,
)
Repair the
sections that
have short
circuits and
poor contacts.
5
Install the Imaging Unit (K) and
the Developer (K) and close the
Front Cover.
Perform the
Developer Motors
test
in Diagnostics.
Does the Drum/ Deve Drive Motor
(K) rotate?
Go to step 6.
Check the
Imaging Unit
(K) and the
Developer (K) for
loading.
6
Check the connection between the
Drum/Deve Drive Motor (K) J241-8
and the Motor Drive PWB J506-1
for open circuit, short circuit, and
poor contact.
Is it conducting properly?
Replace the
following parts
in sequence:
■
Motor Drive
PWB (REP
18.13,
)
■
MCU PWB
(REP 18.12,
)
Repair the
sections that
have short
circuits and
poor contacts.
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: ......