Misfeed At Fusing/Exit Section - Konica Minolta bizhub 40P Service Manual

Field Service Ver. 1.0 Dec. 2007
13.4.5

Misfeed at fusing/exit section

A. Detection timing
Type
• The media does not block the exit sensor even after the lapse of the predeter-
Detection of
• The media does not block the exit sensor even after the lapse of the predeter-
misfeed at fusing/
exit section
• The media unblocks the exit sensor at a timing earlier than the predetermined
Detection of media
left in fusing/exit • The exit sensor is blocked during a warm-up cycle.
section
B. Action
Main motor (M1)
Exit motor
Registration roller clutch (CL3)
Registration sensor (PS1)
Step
1 Initial check items
2 PS1 sensor check
3 CL3 operation check
4 M1 operation check
5 Exit motor operation check
Check the exit motor drive board connector
6 for proper connection and correct as nec-
essary.
7 Change fuser unit.
8 Change PRCB
mined period of time after it has been taken up.
mined period of time after it has unblocked the registration sensor.
time.
Relevant electrical parts
Action
Description
Fuser unit
Exit motor drive board
Print control board (PRCB)
WIRING DIAGRAM
Control signal
⎯
PRCB P/J24-11 (ON)
PRCB P/J24-15 (ON)
DCPU P/J43-5 (ON)
Exit motor drive board
P/J103-2 to 5
⎯
⎯
⎯
13. Jam display
Location (electri-
cal component)
⎯
P.187
P.187
P.183
P.183
⎯
⎯
⎯
155