Condition: An error occurred in the paper feed cam sensor during paper feeding from the cassette, or the paper absorbing a large amount of ink jammed in the PF rear guide.
Solutions:
- Jammed paper in the PF rear guide (when a large amount of ink was absorbed in the paper);
- - remove the jammed paper and foreign material.
- check for foreign material or paper debris in the cassette or in the PF rear guide;
- - remove foreign material.
- If other solution fail, replace one off the following part
- - PF pick-up unit
- - Logic board
USB Host VBUS overcurrent or Error Code 9000
Condition:
The USB Host VBUS is overloaded.
Solutions:
- Replace Logic board
Pump roller sensor error or Error Code 5C20
Condition:
The pump roller position cannot be detected.
Solutions:
- Replace Purge drive system unit
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