Code: 7261; Code: 7262 - Konica Minolta bizhub C650 Service Manual

Field Service Ver. 2.0 May 2008
7.3.12

Code: 7261

A. Detection timing
The conveyance sensor (PS1) is not turned ON even after the set period of time has elapsed after the
leading, trailing, and side edge sensors on the paper size detect board (PSDTB) are turned ON by the
paper.
B. Action
Conveyance sensor (PS1)
Step
1 Initial checks
2 PS1 I/O check, sensor check
3 PSDTB I/O check, sensor check
4 ZUCB replacement
7.3.13

Code: 7262

A. Detection timing
The exit sensor (PS9) is not turned ON even after the set period of time has elapsed after the convey-
ance sensor (PS1) is turned ON by the paper.
B. Action
Conveyance sensor (PS1)
Exit sensor (PS9)
Step
1 Initial checks
2 PS1 I/O check, sensor check
3 PS9 I/O check, sensor check
4 ZUCB replacement
Description
Relevant electrical parts
Paper size detect board (PSDTB)
ZU control board (ZUCB)
Action
Description
Relevant electrical parts
ZU control board (ZUCB)
Action
WIRING DIAGRAM
Control signal
—
ZUCB CN4-2 (ON)
—
—
WIRING DIAGRAM
Control signal
—
ZUCB CN4-2 (ON)
ZUCB CN4-8 (ON)
—
7. Jam display
Location (Electrical
components)
—
C-4
—
—
Location (Electrical
components)
—
C-4
C-5
—
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