2-49
Confidential
Error code A300
The document scanning position sensor has not detected the document passing even after
the document has been fed for the specified time.
<User Check>
• Adjust the document guide to suit the document size.
• Remove the jammed document.
2
Document scanning position
sensor failure
Replace the ADF unit.
3 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1
Foreign object inside the ADF Remove the foreign objects inside the
ADF.
2
Document scanning position
actuator caught in some sections
of the machine
Reattach the document scanning position
actuator.
3
Connection failure of the
document scanning position
sensor harness
Reconnect the document scanning
position sensor harness.
4
Document scanning position
sensor failure
Replace the ADF unit.
5 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy