Tray 3 Paper Size Sensor Broken - Xerox Phaser 7500 Service Manual

Tray 3 Paper Size Sensor Broken

Phaser 7500 Printer Service Manual
Abnormal output AD value from Tray 3 Size Sensor was detected.
Applicable Chain-Link Code
• 072-212: Tray 3 Sensor Fail
Initial Actions
• Power cycle the printer.
• If the problem persists, follow the procedure below.
Troubleshooting Reference
Applicable Parts
Tray Module PWB, PL10.9.1
■
STM PWB, PL11.5.4
■
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 3 Sensors test in Diagnostics.
•
• When 3TM is connected, check the connection between the Tray 3 Paper
Size Sensor J101 and the Tray Module PWB J549 for open circuit, short
circuit, and poor contact.
• When STM is connected, the connection between the Tray 3 Paper Size
Sensor J101 and the STM PWB J548 for open circuit, short circuit, and
poor contact.
2. If no problems are found, replace the following parts in sequence:
• When 3TM is connected: Tray Module PWB (REP 10.9,
• When STM is connected: STM PWB (REP 11.10,
• TM Relay PWB (REP 18.14,
• Motor Drive PWB (REP 18.10,
• MCU PWB (REP 18.12,
Error Messages and Codes
Wiring and Plug/Jack Map References
page
page 8-205)
page 8-197)
page 8-202)
page 8-97)
8-120)
3-201