HP laserjet 3390, 3392 all-in-one Manuale Di Servizio

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The sheet begins to feed from the ADF input tray but does not move through the ADF completely. The sheet cannot
be pushed through the ADF by hand.
Cause
Solution
The ADF pickup-roller assembly is damaged or is not
functioning.
Replace the ADF pickup-roller assembly. See 
.
ENWW
ADF problems
243