Solution; Initial Check Items; Misfeed At Paper Feed Section - Konica Minolta magicolor 2590MF Service Manual

Field Service Ver. 1.0 Aug. 2007

14.3 Solution

14.3.1

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 paper 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 paper?
Are the actuators operational?
14.3.2

Misfeed at paper feed section

A. Detection timing
Type
Detection of mis- The leading edge of the paper does not block the registration sensor (PS1) even
feed at paper feed after the lapse of a predetermined period of time after the tray1 paper pick-up
section solenoid (SD1) has been energized.
B. Action
Registration sensor (PS1)
Tray1 paper pick-up solenoid (SD1)
Step
1 Initial check items.
Check the PRCB connector for proper con-
2
nection and correct as necessary.
3 PS1 sensor check.
4 SD1 operation check.
5 Change PRCB.
Check Item
Relevant Electrical Parts
Action
Action
Change the media.
Change the media.
Instruct the user in correct media storage.
Clean or change the media path.
Clean or change the defective paper 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
—
—
PRCB PJ12PRCB-3 (ON)
PRCB PJ18PRCB-18 (REM)
—
14. Jam display
Location (Electrical
component)
—
—
J to K-2
K-4
—
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