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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
PCB failure
Replace the PS PCB unit.
3 Engine PCB failure Replace the engine PCB ASSY.