Jam At Tray1 Paper Feed Section; Jam At Tray2 Paper Feed Section - Konica Minolta BIZHUB C3100P Service Manual

1.5.5 Jam at tray1 paper feed section

(1) Detection timing
JAM Type
Detection of jam at tray 1paper
feed section
(2) Action
• Registration sensor (PS5)
• Tray1 paper feed clutch (CL1)
Step
1 Initial check items
Check the connector between M2-PRCB CN11 for proper
2
connection and correct as necessary.
Check the M2 connector for proper drive coupling and
3
correct as necessary.
Check the connector between PS5-PRCB CN23 for proper
4
connection and correct as necessary.
Check the connector between CL1-PRCB CN16 for proper
5
connection and correct as necessary.
6 PS5 sensor check
7 CL1 operation check
8 M2 operation check
9 Change PRCB.
• Link to the wiring diagram 1/2
• Link to the wiring diagram 2/2

1.5.6 Jam at tray2 paper feed section

(1) Detection timing
JAM Type
Detection of jam at tray 2paper
feed section
Detection of paper left in tray 2
paper feed section
(2) Action
• Tray2 paper feed sensor (PS3)
• Tray2 paper feed clutch (CL1)
• Printer control board (PRCB)
Step
1 Initial check items
Check the connector between M1-PCCB PJ3 for proper
2
connection and correct as necessary.
Check the M1 connector for proper drive coupling and
3
correct as necessary.
Check the connector between PS3-PCCB PJ5 for proper
4
connection and correct as necessary.
Check the connector between CL1-relay CN57-PCCB
5
PJ15 for proper connection and correct as necessary.
6 PS3 sensor check
7 CL1 operation check
8 M1 operation check
Check the connector between PCCB PJ1 -relay CN53 -
9 PRCB CN25 for proper connection and correct as
necessary.
10 Change PCCB.
11 Change PRCB.
• Link to the wiring diagram 1/2
• The paper does not unblock the registration sensor (PS5) even after the lapse of a given period of
time after the tray1 paper feed clutch (CL1) is turned ON.
Relevant electrical parts
Action
• The paper does not unblock the tray2 paper feed sensor (PS3) even after the lapse of a given period
of time after the tray2 paper feed clutch (CL1) is turned ON.
• The tray2 paper feed sensor (PS3) is unblocked when the power switch is turned ON, a door or cover
is opened and closed, or a jam or malfunction is reset.
Relevant electrical parts
Action
K TROUBLESHOOTING > 1. JAM DISPLAY
Detection timing
• Printer control board (PRCB)
• Transport motor (M2)
WIRING DIAGRAM
Control signal
-
-
-
-
-
PRCB CN23-3 (ON)
PRCB CN16-2 (REM)
PRCB CN11-10 to 13
-
Detection timing
• PC control board (PCCB)
• Tray2 paper feed motor (M1)
WIRING DIAGRAM
Control signal
-
-
-
-
-
PCCB PJ5-3 (ON)
PCCB PJ5-8 (REM)
PCCB PJ3-4 to 8
-
-
-
K-4
Location (electrical component)
-
-
-
-
-
13-L
5-A
13-B to C
-
Location (electrical component)
-
-
-
-
-
3-H to I
3-H to I
3-K
-
-
-