Tray 4 Paper Size Sensor Broken - Xerox Phaser 7500 Service Manual

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Table of Contents

Error Messages and Codes

Tray 4 Paper Size Sensor Broken

Applicable Chain-Link Code

Initial Actions

Abnormal output AD value from Tray 4 Size Sensor was detected.

073-212: Tray 4 Sensor Fail

Power cycle the printer.

If the problem persists, follow the procedure below.

Troubleshooting Reference

Applicable Parts

Tray Module PWB, PL10.9.1

MCU PWB, PL18.3.6

Motor Drive PWB, PL18.3.7

TM Relay PWB, PL18.3.11

1. Perform the following steps:

Check the bottom of the Tray for broken link and damage.

Check the Actuator at the rear of the Tray for operation failure.

Perform the Tray 4 Sensors test in Diagnostics.

Check the connection between the Tray 4 Paper Size Sensor J102 and the

Tray Module PWB J549 for open circuit, short circuit, and poor contact.

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

Tray Module PWB (REP 10.9,

TM Relay PWB (REP 18.14,

Motor Drive PWB (REP 18.10,

MCU PWB (REP 18.12,

Wiring and Plug/Jack Map References

Phaser 7500 Printer Service Manual