Konica Minolta BIZHUB 163 Service Manual page 192

Field Service Ver. 1.0 Apr. 2007
13.3.3 Misfeed at the manual bypass tray paper feed section
A. Detection timing
Type
Manual bypass tray • The leading edge of the paper does not unblock the registration sensor (PS1)
paper feed section
misfeed detection
• The registration sensor (PS1) is not blocked even after the lapse of a given
Size error detection
• The registration sensor (PS1) is blocked before the lapse of a given period of
Paper left at the • The paper set sensor/bypass (PS2) is blocked at timing when the power switch
manual bypass tray
paper feed section
B. Action
Registration sensor (PS1)
Paper feed solenoid/bypass (SD2)
Step
1 Initial checks
2 PS1 sensor check
3 SD2 operation check
4 PS2 sensor check
5 Replace PRCB
even after the lapse of a given period of time after the paper feed solenoid/
bypass (SD2) has been energized.
period of time after the paper has unblocked the PS1.
time.
is turned ON, the cover is opened and closed, or a paper misfeed or malfunc-
tion is reset.
Relevant electrical components
Operations
Description
Paper set sensor/bypass (PS2)
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
–
PRCB PJ17PRCB-3 (ON)
PRCB PJ12PRCB-2 (REM)
PRCB PJ12PRCB-5 (ON)
–
13. Jam display
Location
(Electrical compo-
nents)
–
C-5
K-18
K-17
–
157