Konica Minolta magicolor 1600W, Service Manual

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Field Service V er. 1.0 Nov. 200 8 4. Jam display
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4.3 Solution
4.3.1 Initial check items
• When a media misfeed occurs, first check the following initial check items.
4.3.2 Misfeed at Duplex Option reverse drive/storage section
A. Detection timing
B. Action
Check Item Action
Does the media meet product specifications? Change the media.
Is media curled, wavy, or damp.
Change the media.
Instruct the user in correct media storage.
Is a foreign object present along the media path, or is
the media path deformed or worn?
Clean or change the media path.
Are the rolls/rollers dirty, deformed, or worn? Clean or change the defective roll/roller.
Are the edge guide and trailing edge stop at the correct
position to accommodate the media?
Set as necessary.
Are the actuators found operational when checked for
correct operation?
Correct or change the defective actuator.
Type Description
Detection of mis-
feed at Duplex
Option reverse
drive/storage sec-
tion
The transport sensor/1 (PS15) is not unblocked even after the lapse of a predeter-
mined period of time after the switchback motor (M5) has been energized for
reverse drive.
Relevant electrical parts
Transport sensor/1 (PS15)
Transport motor (M1)
Switchback motor (M5) AD drive board (ADDB)
Printer control board (PRCB)
Step Action
WIRING DIAGRAM
Control signal
Location
(Electrical
component)
1 Initial check items.
⎯ ⎯
2 Check the PS15 sensor. ADDB CN4-3 (ON) G-5
3 Check M6 for correct operation. ADDB CN7-1 to 4 G-3
4 Check M5 for correct operation. ADDB CN3-1 to 4 G-3
5 Change ADDB.
⎯ ⎯
6 Change PRCB.
⎯ ⎯