Mcu Pwb F8 Blows - Xerox Phaser 7500 Service Manual

MCU PWB F8 Blows

Phaser 7500 Printer Service Manual
Fuse 8 on the MCU PWB has broken.
Note
Remove the cause of Fuse failure before replacing the MCU PWB.
Applicable Chain-Link Code
041-331: PWBA MCU F8 Fuse Break Fail
•
Initial Actions
• Power cycle the printer.
• If the problem persists, follow the procedure below.
Troubleshooting Reference
Applicable Parts
MOB ADC Assy, PL18.1.4
■
MCU PWB, PL18.3.6
■
Fuse
■
1. Check the following parts circuits for overcurrent and overvoltage, grounded
wires, and then replace the faulty parts or repair the circuits, and replace the
Fuse.
• MOB ADC Assembly (REP 18.3,
2. Replace the MCU PWB (REP 18.12,
Error Messages and Codes
Wiring and Plug/Jack Map References
page 8-189)
page 8-202).
3-99