Jam At Tray2 Vertical Conveyance Section; Jam At Duplex Paper Transport Section - Konica Minolta BIZHUB C3100P Service Manual

1.5.7 Jam at tray2 vertical conveyance section

(1) Detection timing
JAM Type
Detection of jam at tray 2
conveyance section
(2) Action
• Tray2 paper feed sensor (PS3)
• Tray2 paper feed clutch (CL1)
• Registration sensor (PS5)
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 PS5-PRCB CN23 for proper
4
connection and correct as necessary.
Check the connector between PS3-PCCB PJ5 for proper
5
connection and correct as necessary.
Check the connector between CL1-relay CN57-PCCB
6
PJ15 for proper connection and correct as necessary.
Check the connector between PCCB PJ1 -relay CN53 -
7 PRCB CN25 for proper connection and correct as
necessary.
8 PS3 sensor check
9 PS5 sensor check
10 CL1 operation check
11 M1 operation check
12 Change PCCB.
13 Change PRCB.
• Link to the wiring diagram 1/2
• Link to the wiring diagram 2/2

1.5.8 Jam at duplex paper transport section

(1) Detection timing
JAM Type
Detection of jam at duplex paper
transport section
Detection of paper left at duplex
paper transport section
(2) Action
• Exit sensor (PS8)
• Duplex conveyance sensor (PS9)
• Duplex conveyance roller clutch (CL13)
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.
• The paper does not unblock the registration sensor (PS5) or the tray2 paper feed sensor (PS3) even
after the lapse of a given period of time after the paper has unblocked the tray2 paper feed sensor
(PS3).
• The paper does not block the tray2 paper feed sensor (PS3) even after the lapse of a given period of
time after the paper has unblocked the tray2 paper feed sensor (PS3).
Relevant electrical parts
Action
• The duplex conveyance sensor (PS9) is not blocked even after the lapse of a given period of time
after the paper has unblocked PS9.
• The duplex conveyance sensor (PS9) is not unblocked even after the lapse of a given period of time
after the paper has blocked the exit sensor (PS8).
• The duplex conveyance sensor (PS9) 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)
• PC control board (PCCB)
• Tray2 paper feed motor (M1)
WIRING DIAGRAM
Control signal
-
-
-
-
-
-
-
PCCB PJ5-3 (ON)
PRCB CN23-3 (ON)
PCCB PJ5-8 (REM)
PCCB PJ3-4 to 8
-
-
Detection timing
• Printer control board (PRCB)
• Transport motor (M2)
WIRING DIAGRAM
Control signal
-
-
-
K-5
Location (electrical component)
-
-
-
-
-
-
-
3-H to I
13-L
3-I
3-K
-
-
Location (electrical component)
-
-
-