Xerox Phaser 7760 Service Manual page 356

012-935 Paper at Xport Entrance Sensor
Control logic reports paper at the Xport Entrance Sensor.
Initial Actions
• Check for obstructions in the paper path
• Check that the Finisher is dock correctly to ensure proper Transport Gate operation
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 Transport Entrance Sensor
Status Indicator RAP's
012-935
(PL 21.10). The display changes.
Figure 1 012-935 Transport Entrance Sensor
Y N
Check the circuit of the Transport Entrance Sensor.
missive Sensor 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 H-Transport Motor and its associated gears and belts for damage, contamina-
tion or alignment
• Check the Finisher Transport Motor and its associated gears and belts for damage, con-
tamination or alignment
If the above checks are OK, then replace the Transport Entrance Sensor
problem persists, replace the Finisher PWB
January 2010
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(Figure 1). Refer to Section 6,
for troubleshooting procedure.
(PL 21.12).
Phaser 7760 Color Laser Printer
Trans-
(PL 21.25). If the
Revised