Xerox Phaser 7760 Service Manual page 289

012-229 Booklet Tamper R Home Sensor On Fail
Tamper Home Sensor Rear is not turned On within 1000msec from motor On while Booklet
Tamper Rear is returning to Home.
Initial Actions
• Check the Booklet Tamper Home Sensor Rear for improper installation.
• Check the Booklet Tamper Home Sensor Rear connectors for connection failure.
• Check the Booklet Tamper Motor Rear connectors for connection failure.
• Check the Booklet Tamper Motor Rear for improper installation.
• Check the gear part for wear or damage.
• Check the Booklet Tamper Rear for deformation.
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 Tamper Motor Rear test alternately. The Rear Booklet Tamper
Motor (PL 21.19) energizes.
Y N
Check continuity between the Booklet Tamper Motor Rear and the Booklet PWB and the
Booklet PWB and the Finisher PWB
Y N
Repair the open circuit or short circuit.
Replace the Booklet Tamper Motor Rear
Booklet PWB (PL 21.12). If the problem persists, replace Finisher PWB
Block/unblock the Booklet Tamper Home Sensor Front. The display changes.
Y N
Check continuity between the Booklet Tamper Home Sensor Rear and the Booklet PWB
and the Booklet PWB and the Finisher PWB
Y N
Repair the open circuit or short circuit.
Replace the Booklet Tamper Home Sensor Rear
replace the Booklet PWB (PL 21.12). If the problem persists, replace Finisher PWB
21.12).
If the problem continues, replace the Finisher PWB
Revised
Phaser 7760 Color Laser Printer
(Figure 1). The continuity check is OK.
(PL 21.19). If the problem continues, replace the
(PL 21.12).
(Figure 1). The continuity check is OK.
(PL 21.19). If the problem continues,
(PL 21.12).
(PL
January 2010
2-253
Status Indicator RAP's
012-229