Xerox Phaser 7760 Service Manual page 291

012-230 Booklet Tamper R Home Sensor Off Fail
Even when Booklet tamper Rear motor outputs 75 pulse, the Tamper Rear Home Sensor is not
turned Off.
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 Rear Booklet Tamper Motor test, The Rear Booklet Tamper Motor
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 the 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
(Figure 1). The continuity check is OK.
(PL 21.19). If the problem continues,
(PL 21.12).
(PL
21.12).
(PL
January 2010
2-255
Status Indicator RAP's
012-230