Phaser 7500 Printer Service Manual 3-61
Error Messages and Codes
Exit Sensor 1 Static Jam
When the power was turned On, the M/C was stopped (Cycle Down/ Shut Down),
or when the interlocks were closed (all interlocks including options), the Fuser Exit
Sensor detected paper.
Applicable Chain-Link Code
• 077-901: IOT Static Jam (at Exit Sensor 1)
Initial Actions
• Check the paper path for debris.
• Power cycle the printer.
• If the problem persists, follow the procedure below.
1. Check the Fuser Exit Sensor for remaining paper, contamination, Actuator
return failure, or improper installation.
2. Perform the Jam Sensors test in Diagnostics.
3. Check the connection between the Fuser Exit Sensor J192 and the MCU PWB
J431 for short circuit.
4. If no problems are found, replace the following parts in sequence:
• Motor Drive PBW (REP 18.13, page 8-204)
• MCU PWB (REP 18.12, page 8-202)
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ Fuser Assy, PL7.1.1
■ MCU PWB, PL18.3.6
■ Motor Drive PWB, PL18.3.7
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