22. Jam Display
22.4.11
Misfeed at Fusing/Exit section
A. Detection Timing
Type
Detection of
PC2 is not unblocked even after the lapse of a given period of time after the paper
misfeed at Fusing/
has blocked the Exit Sensor (PC2).
Exit Section
The Duplex Unit Transport Sensor 1 (PC1 DU) is not blocked even after the lapse
of a given period of time after the Exit Sensor (PC2) has been unblocked by the
paper during a switchback sequence.
Detection of paper
Exit Sensor (PC2) is blocked when the Main Power Switch is turned ON, a door or
left in Exit Section
cover is opened and closed, or a misfeed or malfunction is reset.
B. Action
Exit Sensor (PC2)
Duplex Unit Transport Sensor 1 (PC1 DU)
Step
1
Initial check items
2
PC2 I/O check, Sensor check
3
PC1 DU I/O check, Sensor check
4
Change PWB-A DU
5
Change PWB-M
302
Description
Relevant Electrical Parts
Duplex Control Board (PWB-A DU)
Mechanical Control Board (PWB-M)
Action
Field Service Ver. 2.0 Mar. 2006