Code: 7238; Code: 7239 - Konica Minolta bizhub C650 Service Manual

7. Jam display
7.3.2

Code: 7238

A. Detection timing
The leading, trailing, and side edge sensors on the paper size detect board (PSDTB) are not turned ON
even after the set period of time has elapsed after the paper pass sensor (PS202) of the horizontal
transport unit is turned ON by the paper.
B. Action
Paper pass sensor (SP202)
Step
1 Initial checks
2 PS202 I/O check, sensor check
3 PSDTB I/O check, sensor check
4 ZUCB replacement
7.3.3

Code: 7239

A. Detection timing
The leading, trailing, and side edge sensors on the paper size detect board (PSDTB) are not turned
OFF even after the set period of time has elapsed after they are turned ON by the paper.
B. Action
Paper size detect board (PSDTB)
Step
1 Initial checks
2 PSDTB I/O check, sensor check
3 ZUCB replacement
48
Description
Relevant electrical parts
Paper size detect board (PSDTB)
ZU control board (ZUCB)
Action
Description
Relevant electrical parts
ZU control board (ZUCB)
Action
Field Service Ver. 2.0 May 2008
WIRING DIAGRAM
Control signal
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TRCB CN206-2 (ON)
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WIRING DIAGRAM
Control signal
—
—
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Location (Electrical
components)
—
FS-517/608 O-18
—
—
Location (Electrical
components)
—
—
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