Misfeed At Tray 3 Paper Feed Section - Konica Minolta bizhub C25 Service Manual

16. JAM DISPLAY
16.3.3

Misfeed at tray 3 paper feed section

A. Detection timing
Type
Detection of • The paper does not unblock the media feed sensor (PS3) even after the lapse
misfeed at tray 3
paper feed section
Detection of paper • The media feed sensor (PS3) is unblocked when the power switch is turned
left in tray 3 paper
feed section
B. Action
Media feed sensor (PS3)
Media feed clutch (CL1)
Step
1 Initial check items
2 Check the connector between M1-PCCB
PJ3 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 PS3-PCCB
PJ5 for proper connection and correct as
necessary.
5 Check the connector between CL1-relay
CN16-PCCB PJ16 for proper connection
and correct as necessary.
6 PS3 sensor check
7 CL1 operation check
8 M1 operation check
9 Check the connector between PCCB PJ1,
PJ2-relay CN53-PRCB PJ25 for proper
connection and correct as necessary.
10 Change PCCB.
11 Change PRCB.
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of a given period of time after the media feed clutch (CL1) is turned ON.
ON, a door or cover is opened and closed, or a misfeed or malfunction is reset.
Relevant electrical parts
Action
Field Service Ver. 1.1 May 2011
Description
Printer control board (PRCB)
PC control board (PCCB)
Media feed motor (M1)
WIRING DIAGRAM
Control signal
-
-
-
-
-
PCCB PJ5-3 (ON)
PRCB PJ16-2 (REM)
PCCB PJ3-4 to 8
-
-
-
Location (electri-
cal component)
-
-
-
-
-
I-2
D-2
K-2
-
-
-