Xerox Phaser 7760 Service Manual page 152

008-184 Registration Sensor Off Jam
The Fuser Exit Switch did not detect paper after the Registration Clutch was energized.
Initial Actions
• Check condition and specification of the paper supply.
• Check for obstructions in the paper feed path.
• Check the Fuser Belt and the Heat Roll for damage or wear.
• Clean the Registration Roll and check for wear.
• Clean the Duplex Transport Roll and check for wear.
• Check that the Fuser Exit Switch Actuator is properly seated and not damaged.
Procedure
Open the Left Cover Assembly (PL 2.9). Enter
Troubleshooting > Service Tools > Printer Status Page > hold the Up and Down buttons
simultaneously > Run Service Diagnostics > OK. Actuate the Fuser Exit Switch
The display changes state.
Y N
Check the circuit of the Fuser Exit Switch
troubleshooting procedure.
Perform the Registration Clutch test. The Registration Clutch
Y N
Check the circuit of the Registration Clutch
for troubleshooting procedure.
Close the Left Cover Assembly. Perform the 2nd BTR Retract Motor test. The
Retract Motor (PL 2.9) energizes.
Y N
Refer to RAP 009-342, 009-343, 2nd Contact or Retract Failure troubleshooting proce-
dure.
• Ensure that the connectors shown in the circuit diagrams
connected and that the wires are not damaged.
• If the problem persists, replace the Duplex PWB
Status Indicator RAP's
008-184
Service Diagnostics Menu: Printer Menu >
(PL 2.8).
(Figure 1). Refer to Section 2, OF 99-3 RAP for
(PL 2.6) energizes.
(Figure 2). Refer to Section 2, OF 99-4
2nd
(Figure 1, Figure 2) are securely
(PL 12.1).
Figure 1 008-184 Fuser Exit Switch
RAP
BTR
Figure 2 008-184 Registration Clutch
January 2010
2-116
Revised
Phaser 7760 Color Laser Printer