3-246 Phaser 7500 Printer Service Manual
Error Messages and Codes
CRU ASIC Communication Fail
Communication error between CPU of the MCU PWB and ASIC was detected.
Applicable Chain-Link Code
• 091-313: CRUM ASIC Comm Fail
Initial Actions
• Power cycle the printer.
• If the problem persists, follow the procedure below.
1. Turn the power Off and On.
2. Replace the MCU PWB (REP 18.12, page 8-202).
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ MCU PWB, PL18.3.6
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