2-48
Confidential
■ Error code 71
Laser unit polygon motor error.
Error code 72
Beam detecting sensor (Black/Yellow) error of the laser unit.
Error code 73
Beam detecting sensor (Cyan/Magenta) error of the laser unit.
<User Check>
- Open the front and back covers and leave them for 30 minutes or more with the power ON.
After that, close the front and back covers and turn OFF and ON the power switch.
Print Unable 71
Turn the power off and then back on again.
Print Unable 72
Turn the power off and then back on again.
Print Unable 73
Turn the power off and then back on again.
Step Cause Remedy
1 Harness connection failure of
laser unit
Check the harness connections (at three
locations) of the laser unit and reconnect
them.
2 Laser unit failure Replace the laser unit.
3 Engine PCB failure Replace the engine PCB ASSY.
4 Main PCB failure Replace the main PCB ASSY.
To Next Page
Loading...
