Samsung SCX4521F - B/W Laser - All-in-One Service Manual page 47

Disassembly and Reassembly
6. Open the Open Cover and remove the Open
Cover in the direction of arrow, as shown below.
2
7. Pull the Bush, then rotate until it reaches the slot,
as shown below. Then lift the Pick Up Unit.
Bearing
Service Manual
5-10
Open Cover
2
1
1
Bush
2
Pick Up Unit
8. Remove the two screws securing the ADF Upper
and insurt a flat-blade screwdriver in to slot as
shown below, and remove the ADF Upper.
ADF Upper
9. Unplug the Connector from the ADF PBA and
remove the four screws securing the ADF Motor
Housing and remove it in the direction of arrow, as
shown below.
ADF Motor Housing
ADF Lower
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