Tray Module Reset Fail - Xerox Phaser 7500 Service Manual

Tray Module Reset Fail

Phaser 7500 Printer Service Manual
The Tray Module reset was detected.
Applicable Chain-Link Code
• 077-212: Tray Module Reset 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
■
STM Relay PWB, PL18.3.11
■
1. Turn the power Off and On.
2. Check the following connections for open circuits, short circuits, and poor
contacts.
• Between the Motor Drive PWB J509 and the TM Relay PWB J801
• When 3TM is connected: Between the TM Relay PWB J800 and the Tray
Module PWB J541
• When STM is connected: Between the TM Relay PWB J800 and the STM
PWB J541
3. Check voltage of the following:
• When 3TM is connected: the voltage between the Tray Module PWB
J541-12 (+) and the GND(-) is +5VDC while the voltage between the Tray
Module PWB J541-10 (+) and the GND(-) is +24VDC
When STM is connected: the voltage between the Tray Module PWB
•
J541-10 (+) and the GND(-) is +5VDC while the voltage between the STM
PWB J541-8 (+) and the GND(-) is +24VDC
4. 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,
• STM Relay PWB (REP 18.14,
• Motor Drive PWB (REP 18.13,
• MCU PWB (REP 18.12,
Error Messages and Codes
Wiring and Plug/Jack Map References
page
page 8-205)
page 8-204)
page 8-202)
page 8-97)
8-120)
3-211