Solution; Initial Check Items; Jam At Fusing/Exit Section; Jam At Transfer Section - Konica Minolta BIZHUB C3100P Service Manual

[1] Exit sensor (PS8)
[3] Loop detection sensor (PS6)
[5] Tray2 paper feed sensor (PS3) *1
• *1: Only when the optional lower feeder unit is mounted.

1.5 Solution

1.5.1 Initial check items

• When a paperjam occurs, first make checks of the following initial check items.
Does paper meet product specifications?
Is the paper curled, wavy, or damp?
Is a foreign object present along the paper path, or is the paper path
deformed or worn?
Are rolls/rollers dirty, deformed, or worn?
Are the edge guide and trailing edge stop at the correct position to
accommodate the paper?
Are the actuators operating correctly?

1.5.2 Jam at fusing/exit section

(1) Detection timing
JAM Type
Detection of jam at fusing/exit
section
Detection of paper left in fusing/
exit section
(2) Action
• Exit sensor (PS8)
• 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.
Check the connector between PS8-PRCB CN15 for proper
4
connection and correct as necessary.
Check the connector between CL13-relay CN20-PRCB
5
CN14 for proper connection and correct as necessary.
6 PS8 sensor check
7 CL13 operation check
8 M2 operation check
9 Change PRCB.
• Link to the wiring diagram 1/2
• Link to the wiring diagram 2/2

1.5.3 Jam at transfer section

(1) Detection timing
JAM Type
Detection of jam at transfer
section
Detection of paper left in transfer
section
Check item
• The exit sensor (PS8) is not blocked even after the lapse of a given period of time after the paper has
unblocked the exit sensor (PS8).
• The exit sensor (PS8) is blocked even before the lapse of a given period of time after the paper has
unblocked the exit sensor (PS8).
• The exit sensor (PS8) is unblocked when the power switch is turned ON, a door or cover is opened
and closed, or a jam or malfunction is reset.
Action
• The registration sensor (PS5) is not blocked even after the lapse of a given period of time after the
registration roller driving is started.
• The paper does not unblock the exit sensor (PS8) even after the lapse of a given period of time after
the registration roller driving is started.
• The registration sensor (PS5) is unblocked when the power switch is turned ON, a door or cover is
opened and closed, or a jam or malfunction is reset.
[2] Duplex conveyance sensor (PS9)
[4] Registration sensor (PS5)
Replace paper.
Replace paper.
Instruct user in correct paper storage.
Clean the paper path and replace if necessary.
Clean or replace the defective roll/roller.
Set as necessary.
Correct or replace the defective actuator.
Detection timing
Relevant electrical parts
• Printer control board (PRCB)
• Transport motor (M2)
Control signal
PRCB CN15-9 (ON)
PCCB CN14-5 (REM)
PCCB CN11-10 to 13
Detection timing
K-2
K TROUBLESHOOTING > 1. JAM DISPLAY
Action
WIRING DIAGRAM
Location (electrical component)
-
-
-
-
-
-
-
-
-
-
-
13-H
5-C
13-B to C
-