Image Ready Ng/ Controller Communication Fail - Xerox Phaser 7500 Service Manual

Image Ready NG/ Controller Communication Fail

Phaser 7500 Printer Service Manual
The Controller image preparation failure was detected.
Communication error between ESS PWB and MCU PWB was detected.
Applicable Chain-Link Codes
045-310: Image Ready NG
•
• 045-311: Controller Comm Fail
Initial Actions
• Power cycle the printer.
• If the problem persists, follow the procedure below.
Troubleshooting Reference
Applicable Parts
BP PWB, PL18.3.2
■
MCU PWB, PL18.3.6
■
ESS PWB, PL35.1.1
■
1. Turn the power Off and On.
2. Check whether there is poor connection and debris at the following
connectors.
• Between BP PWB J460 and MCU PWB P451
• Between BP PWB J335 and ESS PWB P335
3. If no problems are found, replace the following parts in sequence:
• BP PWB (REP 18.11,
• MCU PWB (REP 18.12,
• I/P PWB (REP 35.1,
Wiring and Plug/Jack Map References
page 8-200)
page 8-202)
page 8-220)
Error Messages and Codes
3-129