Xerox Phaser 7760 Service Manual page 261

012-171 Top Tray Exit Sensor On Jam
Not in the Punch mode: The Top Tray Exit Sensor did not turn On within the specified time after
Punch Out Sensor On.
In Punch mode: The Top Tray Exit Sensor did not turn on within the specified time after the
punching operation had begun.
Initial Actions
• Check Top Tray Exit for operation failure.
• Check paper transportation failure due to a foreign substance/burr on the paper path.
• Check transportation failure of non-standard paper.
Procedure
Enter Service Diagnostics Menu: Printer Menu > Troubleshooting > Service Tools > Printer
Status Page > hold the Up and Down buttons simultaneously > Run Service Diagnostics >
OK. Actuate the Top Tray Exit Sensor (PL
Y N
Check the circuit of the Top Tray Exit Sensor
Sensor Procedure for troubleshooting procedure.
Perform the Finisher Exit Motor test. The Exit Motor
Y N
Check the circuit of the Exit Motor (Figure
shooting procedure.
Perform the Finisher Solenoids test. The Transport Gate Solenoid
Y N
Check the circuit of the Transport Gate Solenoid
RAP for troubleshooting procedure.
Perform the Finisher Transport Motors test. The Finisher Transport Motor
energizes.
Y N
Check the circuit of the Finisher Transport Motor
RAP for troubleshooting procedure.
Check the following:
• Ensure that the connectors shown in the circuit diagrams are securely connected and that
the wires are not damaged
• Check the Exit Motor and its associated gears and belts for damage, contamination or
misalignment
• Exit Drive Shaft for wear and a revolution failure
• The Exit Pinch Rolls for wear and/or damage
If the above checks are OK, then replace the Top Tray Exit Sensor
persists, replace the Finisher PWB (PL 21.12).
Revised
Phaser 7760 Color Laser Printer
21.11) The display changes.
(Figure 1). Refer to Section 6, Transmissive
(PL 21.11) energizes.
2). Refer to Section 2, OF 99-9 RAP for trouble-
(PL 21.10) actuates.
(Figure 1). Refer to Section 2,
(Figure 2). Refer to Section 2,
(PL 21.11). If the problem
OF 99-8
(PL 21.10)
OF 99-9
January 2010
2-225
Status Indicator RAP's
012-171