Xerox Phaser 7760 Service Manual page 320

012-283 Clamp Home Sensor On Fail
Set Clamp Home Sensor is not turned On within a specified time.
Troubleshooting References
Table 1 References
Applicable Parts Parts List Wiring and Plug/Jack References
Set Clamp Solenoid PL 21.8
Finisher PWB PL 21.12
Troubleshooting Procedure
Table 2 Procedure
Step Actions and Questions
1 1. Enter Service Diagnostics Menu:
Printer Menu > Troubleshooting >
Service Tools > Printer Status Page
> hold the Up and Down buttons
simultaneously > Run Service Diag-
nostics > OK. Check the Set Clamp
Home Sensor: Finisher Tests > Fin-
isher Sensors > Misc.
2. Does the value change from H to L
while rotating the actuator?
2 Does the Solenoid energize when running
the Set Clamp Paddle test in Diagnostics?
3 1. Perform the Eject Forward test and
then the Eject Release test in Diag-
nostics.
2. Does the Set Clamp Paddle turn
once?
4 Is +24 VDC present at P848A-10?
5 Is +24 VDC present at 848A-11?
6 Is +24 VDC present at test point 9 on the
Finisher Control Board?
Status Indicator RAP's
012-283
Yes No
To to step 2. Use the Transmis-
sive Sensor Proce-
dure (Section 6) to
diagnose and repair
the Sensor.
Go to step 3. Go to step 4.
Replace the Fin- Go to step 4.
isher Control Board
(REP 12.68).
Go to step 5. Go to step 6.
Replace the Fin- Replace the Set
isher Control Board Clamp Solenoid.
(REP 12.68).
Replace the Fin- Troubleshoot and
isher Control Board repair the +24 VDC
(REP 12.68). Interlock circuit.
January 2010
2-284
Revised
Phaser 7760 Color Laser Printer