Symptom
Action
Non-feed (continued) 4. Check that the FCU CN4 - tx motor connection is not loose.
Does the tx motor work?
Y
N
Does the FCU output phase drive signals on CN4, pins 1 - 4?
Y
N
Replace the FCU.
Replace the tx motor.
5. Check that the FCU CN3 - ADF clutch connection is not loose.
Does CN3-1 go low to turn on the ADF clutch and is CN3-2 always at 24V if a
document is in the feeder?
Y
N
Replace the FCU.
Replace the ADF clutch.
Skew
1. Clean the rollers in the ADF/scanner
Metal rollers - soft cloth and alcohol
Rubber rollers - soft cloth and water
2. Replace the separation roller and or separation plate.
Jam
1. Same as for step 1 of “Skew”.
2. Check for blockages in the paper path.
3. Check the scanner drive gears and belts.
5-8
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