Xerox Phaser 6120 Service Manual - Paper Jam Fuser
Misfeed/Jam Troubleshooting Procedures
Phaser® 6120 Color Laser Printer Service Manual
4-9
Actions
Paper Jam Fuser
Detection Timing
Actions
* for a definition of REM, see
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.
-
-
3
PC1 sensor check.
PWB-A PJ12A-3 (ON)
2-C
4
PC8 sensor check.
PWB-A PJ14A-6 (ON)
2-A
5
SL2 operation check.
PWB-A PJ11A-4 (REM)
2-C
6
Change PWB-A.
-
-
Type
Description
Detection of
misfeed at fusing
section
The paper does not block the Exit Sensor (PC7) even after the lapse of a
predetermined period of time after the Registration Roller Solenoid (SL2) has
been energized.
The Exit Sensor (PC7) is unblocked within a predetermined period of time after
it has been blocked by the paper.
The Main Motor, Laser (Polygon) Motor, and Rack Motor are energized even
after the lapse of a predetermined period of time after paper information has
been created.
Detection of paper left
in fusing 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)
Registration Roller Solenoid (SL2)
PWB-A (Engine Control Board)
Print Control Board (PWB-P)
Step
Action
WIRING DIAGRAM
Control Signal
Location
(Electrical
Component)
1
Initial check items.
-
-
2
Check the PWB-P connector for proper
connection and correct as necessary.
-
-
3
Check the PWB-A connector for proper
connection and correct as necessary.
-
-
4
PC7 sensor check.
PWB-A PJ6A-3 (ON)
2-D
5
SL2 operation check.
PWB-A PJ11A-4 (REM)*
2-C
6
Change PWB-P.
-
-
7
Change PWB-A.
-
-