3BN/3A4
1-3-11
(1)
The duplex feedshift
solenoid does not
operate.
Broken duplex feedshift
solenoid coil.
Poor contact of the duplex
feedshift solenoid
connector terminals.
Defective copier main PCB.
Check for continuity across the coil. If none, replace the duplex
feedshift solenoid.
Reinsert the connector. Also check for continuity within the
connector cable. If none, remedy or replace the cable.
Run maintenance item U033 and check if CN5-3 and CN5-4 on
the copier main PCB go low. If not, replace the main PCB.
(2) Duplex unit
Problem Causes Check procedures/corrective measures
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