Jam Errors; Registration Sensor On Jam (Trays 2/3/4/5) - Xerox Phaser 7500 Service Manual

Jam Errors

Registration Sensor On Jam (Trays 2/3/4/5)

Phaser 7500 Printer Service Manual
The Regi Sensor does not turn On within the specified time after the Regi Clutch
On after the Feed from the Tray has started.
Applicable Chain-Link Code
071-105: Regi Sensor On Jam (Trays 2/3/4/5)
•
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 paper transportation failure due to debris/ burrs on the paper path.
2. Check the Tray 1 Feed Roll, Retard Roll, and Nudger Roll for contamination,
wear, and rotation failure (when the jam has occurred during Feed from Tray
1).
3. Check each Takeaway Roll and Pinch Roll for contamination, wear, and
rotation failure.
4. Check each Takeaway Roll Drive Gear for wear and damage.
5. Check the paper specification (refer to
page 1-19).
6. Check the Regi Sensor for contamination, improper installation, and Actuator
operation failure.
7. Perform the Jam Sensor test in Diagnostics.
8. The connection between the Regi Sensor J160 and the Motor Drive PWB J515
for open circuit, short circuit, and poor contact.
9. Perform the Main Motor test in Diagnostics.
10. Perform the Paper Feed Motor test in Diagnostics (when the jam has occurred
during Feed from Tray 1).
11. Perform the Takeaway Clutch test in Diagnostics.
12. Perform the TM Takeaway Motor test in Diagnostics.
13. 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
"Paper and Tray Specifications" on
page 8-204)
page 8-202)
3-31