Xerox Phaser 7760 Service Manual page 314

012-266 Booklet Compiler No Paper Sensor Fail
The Booklet Compile No Paper Sensor did not turn On within the specified time.
Procedure
Enter Service Diagnostics Menu: Printer Menu > Troubleshooting > Service Tools > Printer
Status Page > hold the Up and Down buttons simultaneously > Run Service Diagnostics >
OK. Perform the Booklet Compile No Paper Sensor test
Compile No Paper Sensor. The display changed.
Y N
Check continuity between the Booklet Compile No Paper and the Booklet PWB and
between the Booklet PWB and the Finisher PWB
OK.
Y N
Repair the open circuit or short circuit.
Replace the Booklet Compile No Paper Sensor
replace the Booklet PWB (PL 21.12). If the problem persists, replace the Finisher PWB
(PL 21.12).
Perform the Booklet Paper Path Motor test
Y N
Check continuity between the Booklet Paper Path Motor and the Booklet PWB and
between the Booklet PWB and the Finisher PWB
OK.
Y N
Repair the open circuit or short circuit.
Replace the Booklet Paper Path Motor
Booklet PWB (PL 21.12). If the problem persists, replace the Finisher PWB
If the problem persists, replace the Finisher PWB
Status Indicator RAP's
012-266
(PL 21.18). Block/unblock the Booklet
(Figure 1). The continuity check is
(PL 21.18). If the problem continues,
(PL 21.22). The Motor energizes.
(Figure 1). The continuity check is
(PL 21.22). If the problem continues, replace the
(PL
(PL 21.12).
21.12).
January 2010
2-278
Revised
Phaser 7760 Color Laser Printer