Misfeed/Jam Troubleshooting Procedures
Phaser® 6120 Color Laser Printer Service Manual
4-10
Paper Jam Exit
Detection Timing
Actions
Undefined Jam/Misfeed
Detection Timing
Actions
Type Description
Detection of
misfeed at exit
section
The Exit Sensor (PC7) is not unblocked even after the lapse of a
predetermined period of time after it has been blocked by the paper.
Detection of paper left in
exit section
The Exit Sensor (PC7) is blocked when the Power Switch is turned ON, a
cover is opened and closed, or a misfeed or malfunction is reset.
Relevant Electrical Parts
Exit Sensor (PC7) PWB-A (Engine Control Board)
Step Action
WIRING DIAGRAM
Control Signal
Location
(Electrical
Component)
1 Initial check items. - -
2 Check the PWB-A connector for proper
connection and correct as necessary.
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3 PC7 sensor check. PWB-A PJ6A-3 (ON) 2-D
4 SL2 operation check. PWB-A PJ11A-4 (REM) 2-C
5 Change PWB-A. - -
Type Description
Detection of
undefined misfeed
Conflicting settings are made in the printer driver.
Relevant Electrical Parts
Print Control Board (PWB-P) PWB-A (Engine Control Board)
Step Action
WIRING DIAGRAM
Control Signal
Location
(Electrical
Component)
1 Check printer driver settings. - -
2 Check the PWB-P connector for
proper connection and correct as
necessary.
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