Document Transport Section - Konica Minolta magicolor 1680MF Service Manual

17. Jam display
17.3.7

Document transport section

A. Detection timing
Type
Detection of mis- • The registration sensor (on REYB) is not blocked even after the lapse of a pre-
feed at the docu-
ment transport
section
Detection of media • The media feed sensor (on REYB) is unblocked and the registration sensor (on
left at the document
transport section
B. Action
Document feed motor (M100)
Media feed sensor (on REYB)
Registration 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
Registration sensor (on REYB) sensor
5
check
6 Change MFPB.
244
determined period of time after the media feed sensor (on REYB) has been
unblocked.
REYB) is blocked when the power switch is turned ON, the cover is opened and
closed, or a misfeed or malfunction is reset.
Relevant electrical parts
Action
Field Service Ver. 1.0 Nov. 2008
Description
MFP board (MFPB)
WIRING DIAGRAM
Control signal
⎯
⎯
MFPB P1-1 to 4
MFPB P4-4 (ON)
MFPB P4-1 (ON)
⎯
Location (electri-
cal component)
⎯
⎯
J-6
K to L-5
K to L-5
⎯