Phaser 7500 Printer Service Manual 3-41
Error Messages and Codes
Tray 4 Feed Out Sensor 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 Tray 4 Feed
Out Sensor detected paper.
Applicable Chain-Link Code
• 073-900: IOT Static Jam (at Tray3 Feed Out Sensor)
Initial Actions
• Check the paper path for debris.
• Power cycle the printer.
• If the problem persists, follow the procedure below.
1. Check Tray 4 Feed Out Sensor for remaining paper, contamination, Actuator
return failure, or improper installation.
2. Perform the Tray Feed Sensors test in Diagnostics.
3. The connection between the Tray 4 Feed Out Sensor J112-2 and the Tray
Module PWB J548-11 for short circuit.
4. Check the connection between the Motor Drive PWB J509-7 and the TM Relay
PWB J801-9 for short circuit.
5. Check the connection between the TM Relay PWB J800-A7 and the Tray
Module PWB J541-7 for short circuit.
6. If no problems are found, replace the following parts in sequence:
• Tray Module PWB (REP 10.9, page 8-97)
• TM Relay PWB (REP 18.14, page 8-205)
• Motor Drive PWB (REP 18.13, page 8-204)
• MCU PWB (REP 18.12, page 8-202)
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
â– Tray Module PWB, PL10.9.1
â– MCU PWB, PL18.3.6
â– Motor Drive PWB, PL18.3.7
â– TM Relay PWB, PL18.3.11