Solution; Initial Check Items; Misfeed At Media Feed Section - Konica Minolta magicolor 2500W Service Manual

15. Jam display

15.4 Solution

15.4.1

Initial check items

• When a media misfeed occurs, check the following:
Does the media meet product specifications?
Is the media curled, wavy, or damp.
Is a foreign object present along the media path, or is
the media path deformed or worn?
Are the media separator fingers dirty, deformed, or
worn?
Are the rolls/rollers dirty, deformed, or worn?
Are the edge guide and trailing edge stop at the correct
position to accommodate media?
Are the actuators operational?
15.4.2

Misfeed at media feed section

A. Detection timing
Type
Detection of The leading edge of the media does not block the registration sensor (PS1) even
misfeed at media after the lapse of a predetermined period of time after the Tray1 media pick-up
feed section solenoid has been energized.
B. Action
Registration sensor (PS1)
Tray1 paper pick-up solenoid (SD1)
Step Action
1 Initial check items.
Check the PRCB connector for
2 proper connection and correct as
necessary.
3 PS1 sensor check.
4 SD1 operation check.
5 Change PRCB.
136
Check Item
Relevant electrical parts
2500W: PRCB PJ12PRCB-3 (ON)
2530 DL: PRCB PJ12PRCB-3 (ON)
2550/2550DN: PRCB PJ12PRCB-3 (ON)
2500W: HV CN2HV-2 (REM)
2530 DL: HV CN2HV-2 (REM)
2550/2550DN: HV CN2HV-2 (REM)
Field Service Ver. 1.0 Aug. 2006
Change the media.
Change the media.
Instruct the user in correct media storage.
Clean or change the media path.
Clean or change the defective media separa-
tor finger.
Clean or change the defective roll/roller.
Set as necessary.
Correct or change the defective actuator.
Description
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
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-
-
Action
Location (Electrical
component)
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-
2500W: C-10
2530 DL: C-9
2550/2550DN: C-9
2500W: K-5
2530 DL: K-3
2550/2550DN: K-3
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