2-91
Confidential
Paper jams in TT path
<User Check>
• Check that the paper is set in each tray in the TT correctly.
• Flip over the paper or rotate the paper 180°.
• Adjust the paper guide according to the paper size.
• Check that there is not too much paper set.
• Check that the thickness of the paper is 60 to 120 g/m
2
for paper tray 2 to 5.
• Flip through the paper and reset it in each paper tray.
• Install the latest main firmware.
Step Cause Remedy
1
Foreign object in the TT paper
feeding path
Remove the foreign object.
2
A paper dust cleaning roller
attachment failure
Reattach the appropriate paper dust cleaning
roller.
3
A TT paper feed actuator
coming off
Reattach the appropriate TT paper feed
actuator.
4 A TT jam actuator coming off Reattach the appropriate TT jam actuator.
5
Connection failure of a TT jam
sensor harness
Reconnect the appropriate TT jam sensor
harness.
6
Connection failure of a TT paper
feed sensor harness
Reconnect the appropriate TT paper feed
sensor harness.
7
Connection failure of a TT
release clutch harness
Reconnect the appropriate TT release clutch
harness.
8
Connection failure of a TT relay
PCB harness
Reconnect the appropriate TT relay PCB
harness.
9
Connection failure of the TT
control PCB harness
Reconnect the TT control PCB harness.
10 A TT paper feed sensor failure Replace the appropriate TT paper feed sensor.
11 A TT release clutch failure Replace the appropriate TT release clutch.
12 TT balance sensor L/R failure Replace the TT balance sensor L/R.
13
A TT jam sensor failure Replace the appropriate TT jam sensor PCB
ASSY.
14 TT motor failure Replace the TT motor.
15 A TT relay PCB failure Replace the appropriate TT relay PCB ASSY.
16 TT control PCB failure Replace the TT control PCB ASSY.
17 Main PCB failure Replace the main PCB ASSY.
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