Solution; Initial Check Items; Misfeed At Tray1 Media Feed Section - Konica Minolta magicolor 1680MF Service Manual

Field Service Ver. 1.0 Nov. 2008

17.3 Solution

17.3.1

Initial check items

• When a media misfeed occurs, first make checks of the following initial check items.
Does media meet product specifications?
Is media curled, wavy, or damp.
Is a foreign matter present along the media path, or is
the media path deformed or worn?
Are rolls/rollers dirty, deformed, or worn?
Are the edge guide and trailing edge stop at correct
position to accommodate the media?
Are actuators found operational as checked for correct
operation?
17.3.2

Misfeed at tray1 media feed section

A. Detection timing
Type
Detection of misfeed
at media feed section
B. Action
Registration sensor (PS2)
Tray1 media feed solenoid (SD1)
Step
1 Initial check items
Check the PRCB connector for proper con-
2
nection and correct as necessary.
3 PS2 sensor check.
4 SD1 operation check.
5 Change PRCB.
Check item
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
Action
http://www.manuals4you.com
Action
• Change media.
• Change media.
• Instruct user in correct media storage.
• Clean or change the media path.
• 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 PJ12-6 (ON)
PRCB PJ10-2 (REM)
⎯
17. Jam display
Location (electri-
cal component)
⎯
⎯
C-3
C-10
⎯
239