2-51
Confidential
Error codes CA00 to DC00
These errors do not usually occur during normal use. The possible causes are noise around
the installation site, fluctuation of the power supply voltage, and failures in the software.
An unidentified error occurred.
Error code DD00
Fuser unit error (except error codes 6A00 to 6F00, 7600, 7800, DE00, and E200)
---
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
Print Unable DD
<User Check>
• Turn OFF the power switch. After several seconds, turn ON the power again and check
that this error is reset.
Step Cause Remedy
1
Connection failure of the center
or side thermistor harness of
the fuser unit
Check the connection of the center or side
thermistor harness of the fuser unit, and
reconnect it if necessary.
2
Connection failure of the heater
harness of the fuser unit
Check the connection of the heater harness of
the fuser unit, and reconnect it if necessary.
3
Connection failure of the eject
sensor PCB harness
Check the connection of the eject sensor PCB
harness, and reconnect it if necessary.
4
Connection failure of the low-
voltage power supply PCB
harness
Check the connection of the low-voltage power
supply PCB harness, and reconnect it if
necessary.
5
Eject sensor PCB failure Refer to "1.3.8 Check sensor operation
(function code: 32)" in Chapter 5 to check the
sensor operation. If the sensor operation is
faulty, replace the eject sensor PCB ASSY.
6
Low-voltage power supply PCB
failure
Replace the low-voltage power supply PCB
ASSY.
7 Fuser unit failure Replace the fuser unit.
8 Main PCB failure Replace the main PCB ASSY.
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