Sony UP-55MD Service Manual page 47

Trouble Cause
Paper is not A stepping motor is out of order.
ejected. (The tension of a belt is not proper.)
A stepping motor is defective (does not rotate).
The connector of a stepping motor is disconnected.
A pickup roller is defective.
A gear is damaged.
A feed guide assembly is damaged.
ALARM LED An eject flap spring is out of position.
does not go off
An eject flap is out of position and damaged.
in spite of paper
removal.
The SE-752 board is defective.
UP-55MD
Remedy
Apply the tension of a belt again.
Install the head block again.
Connect the connector.
Replace the pickup roller.
Replace the gear.
Replace the feed guide assembly.
Install the eject flap spring again.
Replace the eject flap.
Confirm CN111 on the SE-752 board, CN105 on the
MEC-24 board, and the harness.
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