129
4.3.10 Information Codes: 030, 031 (Document Jam)
START
END
Yes
No
Is the document path blocked?
Remove the blockage.
Yes
No
Does the Tx Motor rotate?
1. Replace the Tx Motor.
2. Replace the FCB PCB.
Yes
No
Does the document feed into the
unit?
Check all gears and rollers.
Does the problem still occur?
Yes
Yes
No
No
Does the output of CN7, pin2,
on the FCB PCB, vary between 0
and +5V when a document is set
and removed?
Check the connection of CN7
on the FCB PCB and CN31
on the SNS PCB.
Replace the SNS PCB.