Konica Minolta magicolor 1600W, Service Manual

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Field Service V er. 1.0 Nov. 200 8 16. Jam display
99
magicolor 1600W magicolor 1650EN
T
roubleshooting
16.3.4 Misfeed at exit section
A. Detection timing
B. Action
16.3.5 Misfeed at media feed section
A. Detection timing
B. Action
Type Description
Detection of misfeed
at exit section The exit sensor (PS4) is not unblocked even after the lapse of a predetermined
period of time after it has been blocked by the media.
Detection of media
left in exit section The exit sensor (PS4) is blocked when the power switch is turned ON, a cover is
opened and closed, or a misfeed or malfunction is reset.
Relevant electrical parts
Exit sensor (PS4) Printer control board (PRCB)
Step Action
WIRING DIAGRAM
Control signal
Location (electri-
cal component)
1 Initial check items
⎯ ⎯
2
Check the PRCB connector for proper con-
nection and correct as necessary.
⎯ ⎯
3 PS4 sensor check. PRCB PJ6-3 (ON)
1600W: B to C-6
1650EN: C-6
4 Change PRCB.
⎯ ⎯
Type Description
Detection of misfeed
at media feed section
The leading edge of the media does not block the registration sensor (PS2)
even after the lapse of a predetermined period of time after the tray1 media
feed solenoid (SD1) has been energized.
Relevant electrical parts
Registration sensor (PS2)
Tray1 media feed solenoid (SD1) Printer control board (PRCB)
Step Action
WIRING DIAGRAM
Control signal
Location (electrical
component)
1 Initial check items
⎯ ⎯
2
Check the PRCB connector for proper con-
nection and correct as necessary.
⎯ ⎯
3 PS2 sensor check. PRCB PJ12-6 (ON)
1600W: C-3
1650EN: C-3
4 SD1 operation check. PRCB PJ10-2 (REM)
1600W: C-10
1650EN: C-10
5 Change PRCB.
⎯ ⎯