Sensor Layout; Solution; Paper Exit / Turnover Section Misfeed - Konica Minolta bizhub C250 Service Manual

9. Jam Display
9.3

Sensor layout

[4]
[3]
[1] Exit Sensor
[2] Turnover Sensor
9.4

Solution

9.4.1

Paper Exit / Turnover section misfeed

A. Detection timing
Type
Misfeed due to paper
remaining at the Turnover
Sensor
Misfeed due to paper not
reached the Exit Sensor
(in the 2-Sided Mode)
Misfeed due to paper
remaining at the Exit Sensor
B. Action
Turnover Sensor (PC5-DF)
Exit Sensor (PC6-DF)
Exit Motor (M3-DF)
Step
1 Initial check items
2 PC5-DF I/O, sensor check
3 PC6-DF I/O, sensor check
4 M3-DF operation check
5 PWB-A DF replacement
30
PC6-DF
PC5-DF
Misfeed is detected if the Turnover Sensor (PC5-DF) is not turned OFF
within a preset time after the Turnover Sensor (PC5-DF) was tuned ON.
Misfeed is detected if the Exit Sensor (PC6-DF) is not turned ON within a
preset time after the Turnover Sensor (PC5-DF) was turned ON in the 2-
Sided mode.
Misfeed is detected if the Exit Sensor (PC6-DF) is not turned OFF within
a preset time after the Exit Sensor (PC6-DF) was tuned ON.
Relevant electrical parts
Action
Field Service Ver. 1.0 Jul. 2005
[1]
[2]
[3] Pick-up Sensor
[4] Registration Sensor
Description
Control Board (PWB-A DF)
WIRING DIAGRAM
Control signal
—
PWB-A DF CN9A-3 (ON)
PWB-A DF CN9A-6 (ON)
PWB-A DF CN3A-1 to 4
—
4582fs4502c0
PC2-DF
PC1-DF
Location
(Electrical
components)
—
DF-601 C-4
DF-601 C-4
DF-601 C-7
—