Confidential
2-38
The purge cam switch is not switching ON/OFF.
Failed to detect the origin of the purge cam.
Error Code 50
Unable to Print 50
LCD
Error Code 52
Unable to Print 52
LCD
Step Cause Solution
1 Foreign materials in the
maintenance unit
Remove foreign materials.
2 Purge cam switch harness
connection failure
Reconnect the purge cam switch harness.
3 Paper feed motor defective Replace the paper feed motor.
4 PF encoder sensor defective Replace the PF encoder PCB ASSY.
5 Maintenance unit defective Replace the maintenance unit.
6 Main PCB defective Replace the main PCB ASSY.