2-79
Confidential
Error code 9309
Detected that there was no paper set in all trays when TrayAuto was selected for printing.
Error code 9400
Firmware version of the main PCB is older than that of the TT, MX and LT.
<User Check>
• Set paper in the paper tray.
Step
Cause
Remedy
1
Malfunction of an LT control
PCB or TT control PCB
Install the latest main firmware.
2
Connection failure of an LT/TT
paper empty sensor harness
Reconnect the appropriate LT/TT paper empty
sensor harness.
3
Connection failure of the T1
paper feed sensor harness
Reconnect the T1 paper feed sensor harness.
(Models with 250-sheet only)
4
An LT/TT paper empty actuator
caught in some sections of the
machine
Reattach the appropriate LT/TT paper empty
actuator.
5
T1 paper feed actuator caught in
some sections of the machine
Reattach the T1 paper feed actuator. (Models
with 250-sheet only)
6
Abrasion of a PF kit
Replace the appropriate PF kit.
7
An LT/TT paper empty sensor
PCB failure
Replace the appropriate LT/TT paper empty
sensor PCB ASSY.
8
T1 paper feed sensor PCB
failure
Replace the T1 paper feed sensor PCB ASSY.
(Models with 250-sheet only)
9
T1, T2, or T3(LT or TT) pickup
clutch failure
Replace the T1, T2, or T3(LT or TT) pickup
clutch.
10
Paper feed motor failure
Replace the paper feed motor. (Models with
250-sheet only)
11
High-voltage power supply PCB
failure
Replace the high-voltage power supply PCB
ASSY.
12
An LT control PCB failure
Replace the appropriate LT control PCB ASSY.
13
TT relay PCB failure
Replace a TT relay PCB ASSY.
14
TT control PCB failure
Replace the TT control PCB ASSY.
15
Damaged gears in the paper
feeding system
Replace the main frame L ASSY. (Models with
250-sheet only)
16
Main PCB failure
Replace the main PCB ASSY.
<User Check>
• Install the latest main firmware.
Step
Cause
Remedy
1
Main firmware version and
firmware version of the TT, MX
and LT do not match
Install the latest main firmware.