Duplex Wait Sensor Static Jam - Xerox Phaser 7500 Service Manual

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Duplex Wait Sensor Static Jam

Phaser 7500 Printer Service Manual

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 Duplex

Wait Sensor detected paper.

Applicable Chain-Link Code

077-907: IOT Static Jam (at Duplex Path Sensor)

Initial Actions

Check the paper path for debris.

Power cycle the printer.

If the problem persists, follow the procedure below.

Troubleshooting Reference

Applicable Parts

MCU PWB, PL18.3.6

Motor Drive PWB, PL18.3.7

1. Check the Duplex Wait 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 Duplex Wait Sensor J175 and the Motor

Drive PWB J524 for short circuit.

4. If no problems are found, replace the following parts in sequence:

Motor Drive PWB (REP 18.13,

MCU PWB (REP 18.12,

Error Messages and Codes

Wiring and Plug/Jack Map References