Misfeed At The Fusing/Exit Section - Konica Minolta bizhub 164 Service Manual

Field Service Ver. 2.0 Jun. 2010
13.3.5

Misfeed at the fusing/exit section

A. Detection timing
Type
Fusing/exit section • The exit paper sensor (PS3) is not unblocked even after the lapse of a given
misfeed detection
Detection of paper • The exit paper sensor (PS3) is blocked at timing when the power switch is
left in fusing/exit
section
B. Action
Registration sensor (PS1)
Exit sensor (PS5)
Registration clutch (CL1)
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 PS5-PRCB
CN4 for proper connection and correct as
necessary.
6 Check the connector between CL1-relay
CN7-PRCB CN9 for proper connection and
correct as necessary.
7 PS1 sensor check
8 PS5 sensor check
9 CL1 operation check
10 M1 operation check
11 Replace PRCB.
period of time after the registration sensor (PS1) has been blocked.
turned ON, the cover is opened and closed, or a paper misfeed or malfunction
is reset.
Relevant electrical components
Operations
Description
Main motor (M1)
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
-
-
-
-
-
-
PRCB CN9-7 (ON)
PRCB CN4-4 (ON)
PRCB CN9-2(REM)
PRCB CN6-7 (LOCK)
-
13. JAM DISPLAY
Location
(Electrical compo-
nents)
-
-
-
-
-
-
C-11
E-3
C-11
D-9
-
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