Xerox Phaser 7760 Service Manual page 303

012-247 Side Regi Sensor Off Fail
Side Regi Sensor not turned Off after the lapse of 500msec from operation start. Side Regi
Sensor is not turned Off after the stop following Side Regi Sensor Off. Target Side Regi
Sensor1 or Side Regi Sensor2 is not turned Off at operation start.
Initial Actions
• Check the Actuator for deformation.
• Check the Side Reg 1 and 2 Sensors for improper installation.
• Check the Side Reg 1 and 2 Sensors connectors for connection failure.
• Check the Puncher Move Motor connectors for connection failure.
Procedure
Enter Service Diagnostics Menu: Printer Menu > Troubleshooting > Service Tools > Printer
Status Page > hold the Up and Down buttons simultaneously > Run Service Diagnostics >
OK. Run the Puncher Move Motor test. The Puncher Move Motor
Y N
Check continuity between the Puncher Move Motor and Finisher PWB
continuity check is OK.
Y N
Repair the open circuit or short circuit.
Replace the Puncher Move Motor
isher PWB (PL 21.12).
Block/unblock the Side Reg 1 Sensor (PL
Y N
Check continuity between the Side Reg 1 Sensor and Finisher Main PWB
The continuity check is OK.
Y N
Repair the open circuit or short circuit.
Replace the Side Reg 1 Sensor (PL
PWB (PL 21.12).
Block/unblock the Side Reg 2 Sensor (PL
Y N
Check continuity between the Side Reg 2 Sensor and Finisher PWB
tinuity check is OK.
Y N
Repair the open circuit or short circuit.
Replace the Side Reg 2 Sensor (PL
PWB (PL 21.12).
Check the following:
• The Puncher Move Motor Belt for improper tension
• The Puncher Move Motor Belt for disengagement
If the above checks are OK, replace the Finisher PWB
Revised
Phaser 7760 Color Laser Printer
(PL 21.5) runs.
(Figure
(PL 21.5). If the problem continues, replace the Fin-
21.5). The display changes.
21.5). If the problem continues, replace the Finisher
21.5). The display changes.
(Figure
21.5). If the problem continues, replace the Finisher
(PL 21.12).
1). The
(Figure 1).
1). The con-
January 2010
2-267
Status Indicator RAP's
012-247