Solution; Turnover Section Misfeed; Paper Feed Section Misfeed - Konica Minolta bizhub C353 Service Manual

Field Service Ver. 2.0 Jan. 2008
8.4

Solution

8.4.1

Turnover section misfeed

A. Detection timing
Type
Detection of misfeed at
turnover section
Detection of paper left in
turnover section
B. Action
Switchback roller pressure/retraction motor (M5)
Before read sensor (PS9)
Reverse registration sensor (PS8)
1
Step
1 Initial check items
2 PS9 I/O check, sensor check
3 PS8 I/O check, sensor check
4 M5 operation check
5 DFCB replacement
8.4.2

Paper feed section misfeed

A. Detection timing
Type
Detection of misfeed at
paper feed section
B. Action
Take-up motor (M2)
After separate sensor (PS4)
1
Step
1 Initial check items
2 PS4 I/O check, sensor check
3 M2 operation check
4 DFCB replacement
The before read sensor (PS9) is not turned ON after a lapse of a given
time after the reverse registration motion is performed.
The reverse registration sensor (PS8) is not turned ON after a lapse of a
given time after the before read sensor (PS9) is turned OFF.
The reverse registration sensor (PS8) is not turned OFF after a lapse of a
given time after the reverse registration motion is performed.
Relevant electrical parts
Action
The after separate sensor (PS4) is not turned ON after a lapse of a given
time after the take-up motor (M2) is turned ON.
Relevant electrical parts
Action
Description
DF control board (DFCB)
WIRING DIAGRAM
Control signal
—
DFCB PJ14-8 (ON)
DFCB PJ12-2 (ON)
REYB PJ3-7 to 8
—
Description
DF control board (DFCB)
WIRING DIAGRAM
Control signal
—
DFCB PJ11-6 (ON)
DFCB PJ8-5 to 10
—
8. Jam display
Location
(Electrical
components)
—
DF-611 C-5
DF-611 I-3
DF-611 K to L-9
—
Location
(Electrical
components)
—
DF-611 C-4 to 5
DF-611 I-6
—
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