17. Jam Display
17.3.7
Misfeed at Tray 2 take-up/Vertical Transport section
A. Detection Timing
Type
Detection of misfeed at
Tray 2 take-up/Vertical
Transport section
Detection of paper left in
Tray 2 take-up/Vertical
Transport section
B. Action
Synchronizing Roller Sensor (PC1)
Vertical Conveyance Sensor (PC2)
2nd Drawer Paper Feed Clutch (CL4)
Step
1
Initial check items
2
PC1 I/O check
3
PC2 I/O check
4
CL4 operation check
5
Change PWB-A
246
The leading edge of the paper does not block the Vertical Conveyance Sen-
sor (PC2) even after the set period of time has elapsed after the 2nd
Drawer Paper Feed Clutch (CL4) has been energized.
The Synchronizing Roller Sensor (PC1) is not blocked even after the set
period of time has elapsed after the leading edge of the paper has blocked
the Vertical Conveyance Sensor (PC2).
The Vertical Conveyance Sensor (PC2) is blocked when the Main Power
Switch is set to ON, a door or cover is opened and closed, or a misfeed or
malfunction is reset.
Relevant Electrical Parts
Mechanical Control Board (PWB-A)
Action
Field Service Ver. 1.0 Dec. 2008
Description
WIRING DIAGRAM
Control Signal
-
PWB-A PJ11A-5 (ON)
PWB-A PJ22A-9 (ON)
PWB-A PJ21A-10 (ON)
-
Location
(Electrical
Component)
-
M-8
D-7
D-10
-