3-40 Phaser 7500 Printer Service Manual
Error Messages and Codes
Feed Out Sensor 3 On Jam (Tray 4)
The Tray 4 Feed Out Sensor does not turn On within the specified time after the
Feed from Tray 4 has started.
Applicable Chain-Link Code
• 073-102: Feed Out Sensor 4 On Jam (Tray 4 ~)
Initial Actions
• Check the paper path for debris.
• Power cycle the printer.
• If the problem persists, follow the procedure below.
1. Check the paper transportation failure due to debris/ burrs on the paper path.
2. Check the TM Takeaway Roll and Pinch Roll for contamination, wear, and
rotation failure.
3. Check the TM Takeaway Roll Drive Gear for wear and damage.
4. Check the paper specification (refer to “Paper and Tray Specifications” on
page 1-19).
5. The Tray 4 Feed Out Sensor for contamination, improper installation, and
Actuator operation failure.
6. Perform the Tray Feed Sensors test in Diagnostics.
7. Check the connection between the Tray 3 Feed Out Sensor J108 and the Tray
Module PWB J549 for open circuit, short circuit, and poor contact.
8. Perform the TM Takeaway Motor test in Diagnostics.
9. Check the connection between the Tray Module PWB J541 and the TM Relay
PWB J800 for open circuit, short circuit, and poor contact.
10. Check the connection between the TM Relay PWB J801 and the Motor Drive
PWB J509 for open circuit, short circuit, and poor contact.
11. 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
■ Tray Module PWB, PL10.9.1
■ MCU PWB, PL18.3.6
■ Motor Drive PWB, PL18.3.7
■ TM Relay PWB, PL18.3.11
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