3-70
Phaser 7500 Printer Service Manual
Error Messages and Codes
4
Check the wiring harness.
Check the connection between the
Motor Drive PWB J504 and the
Fuser Drive Motor J243 for open
circuit, short circuit, and poor
contact.
Is it conducting properly?
Replace the
following parts
in sequence:
■
Fuser Drive
Motor (REP
3.3,
■
Motor Drive
PWB (REP
18.13,
)
■
MCU PWB
(REP 18.12,
)
Repair the
sections that
have short
circuits and
poor contacts.
5
Perform the
BTR 1/2 Contact &
Retract
test in Diagnostics.
Does the Fuser Drive Motor rotate?
Go to step 6.
Check the 1st
BTR Contact/
Retract Gear for
blockage and
damage.
6
Check the connection between the
Fuser Drive Motor J243-8 and the
Motor Drive PWB J504-1 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: ......