Misfeed At The Document Feeding Section - Konica Minolta magicolor 1680MF Service Manual

Field Service Ver. 1.0 Nov. 2008
17.3.6

Misfeed at the document feeding section

A. Detection timing
Type
Detection of mis- • The media feed sensor (on REYB) is not unblocked even after the lapse of a
feed at the docu-
ment feeding
section
Detection of media • The media feed sensor (on REYB) is unblocked when the power switch is
left at the document
feeding section
B. Action
Document feed motor (M100)
Media feed sensor (on REYB)
Step
1 Initial check items
Check the MFPB connector for proper con-
2
nection and correct as necessary.
3 M100 operation check
Media feed sensor (on REYB) sensor
4
check
5 Change MFPB.
predetermined period of time after the document feed motor (M100) has been
energized.
turned ON, the cover is opened and closed, or a misfeed or malfunction is
reset.
Relevant electrical parts
Action
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Description
MFP board (MFPB)
WIRING DIAGRAM
Control signal
⎯
⎯
MFPB P1-1 to 4
MFPB P4-4 (ON)
⎯
17. Jam display
Location (electri-
cal component)
⎯
⎯
J-6
K to L-5
⎯
243