Error code 68

Print Unable 68

Turn the power off and then back on again.

Fuser unit failure (The side thermistor detects higher temperature than the specified value.)

Error code 69

Print Unable 69

Turn the power off and then back on again.

Fuser unit failure (The side thermistor detects lower temperature than the specified value.)

Error code 6A

Print Unable 6A

Turn the power off and then back on again.

Fuser unit failure (The side thermistor does not detect 60°C within the specified time.)

Error code 6B

Print Unable 6B

Turn the power off and then back on again.

Fuser unit failure (The center thermistor does not detect 100°C within the specified time.)

Error code 6C

Print Unable 6C

Turn the power off and then back on again.

Fuser unit failure (The center thermistor detects higher temperature than the specified value.)

Error code 6D

Print Unable 6D

Turn the power off and then back on again.

Fuser unit failure (The center thermistor detects lower temperature than the specified value.)

Error code 6E

Print Unable 6E

Turn the power off and then back on again.

Fuser unit failure (The center thermistor does not detect temperature rising within the specified time.)

Error code 6F

Print Unable 6F

Turn the power off and then back on again.

Fuser unit failure (The center and side thermistors detect extremely high temperature.)

Step

Cause

Remedy

1

Fuser unit failure

Replace the fuser unit.

2

Low-voltage power supply

Replace the PS PCB unit.

 

PCB failure

 

3

Engine PCB failure

Replace the engine PCB ASSY.

1-18

Confidential