Misfeed At The Bypass Tray Paper Feed Section - Konica Minolta bizhub 164 Service Manual

Field Service Ver. 2.0 Jun. 2010
13.3.3

Misfeed at the bypass tray paper feed section

A. Detection timing
Type
Manual bypass tray • If the paper feed from the bypass tray fails, the machine retries twice. However
paper feed section
misfeed detection
• The paper fed from the bypass tray does not unblock the registration sensor
B. Action
Registration sensor (PS1)
Bypass paper feed clutch (CL3)
Step
1 Initial check items
2 Check the connector between M1-PRCB
CN6 for proper connection and correct as
necessary.
3 Check the M1 connector for proper drive
coupling and correct as necessary.
4 Check the connector between PS1-relay
CN24-PRCB CN9 for proper connection
and correct as necessary.
5 Check the connector between CL3-relay
CN3-relay CN6-PRCB CN8 for proper con-
nection and correct as necessary.
6 PS1 sensor check
7 CL3 operation check
8 M1 operation check
9 Replace PRCB.
the leading edge of the paper does not unblock the registration sensor (PS1)
even after the lapse of a given period of time after the two retries.
(PS1) within the given period of time.
Relevant electrical components
Operations
Description
Main motor (M1)
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
-
-
-
-
-
PRCB CN9-7 (ON)
PRCB CN8-10 (REM)
PRCB CN6-7 (LOCK)
-
13. JAM DISPLAY
Location
(Electrical compo-
nents)
-
-
-
-
-
C-11
E-11
D-9
-
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