Field Service Ver. 2.1 Feb. 2012
17.3.7
LCT paper feed section/vertical transport section misfeed
Paper feed sensor (PS1)
Vertical transport sensor (PS2)
Paper feed motor (M1)
Vertical transport motor (M2)
Step
1
Initial check items
2
PS1 I/O check, sensor check
3
PS2 I/O check, sensor check
4
M1 operation check
5
M2 operation check
6
PCCB ICP1, ICP2 conduction check
7
Change PCCB
8
Change MFPB
17.3.8
Misfeed at vertical transport section
Transport motor (M1)
Paper feed tray 2 vertical transport clutch (CL2)
Registration roller clutch (CL4)
Step
1
Initial check items
2
PS1 I/O check, sensor check
3
PS19 I/O check, sensor check
4
CL2 operation check
5
CL4 operation check
6
M1 operation check
7
Change FREYB
8
PRCB ICP2 conduction check
9
PRCB ICP14 conduction check
10
Change PRCB
Relevant parts
Action
Relevant parts
Action
PC Control board (PCCB)
MFP board (MFPB)
WIRING DIAGRAM
Control signal
—
PCCB CN5-2 (ON)
PCCB CN5-5 (ON)
PCCB CN6-1 to 4
PCCB CN6-5 to 8
—
—
—
Front side relay board (FREYB)
Printer control board (PRCB)
Sensor in front of tim. roller (PS1)
Paper feed tray 2 vertical transport sensor (PS19)
WIRING DIAGRAM
Control signal
—
FREYB CN13-3 (ON)
PRCB CN22-15 (ON)
PRCB CN22-18 (ON)
FREYB CN13-5 (REM)
PRCB CN14-2 (REM)
PRCB CN14-5 (LOCK)
—
—
—
—
17. JAM DISPLAY
Location (Electri-
cal component)
—
PC-408 G-9
PC-408 G-9
PC-408 G-10
PC-408 G-9
—
—
—
Location (Electri-
cal component)
—
Q-17
C-25
C-24
Q-17
C-2 to 5
—
—
—
—
557