Samsung SCX4521F - B/W Laser - All-in-One Service Manual page 50

6. Remove the two screws securing the Scan Motor
Ass'y and remove it.
7. If necessary, remove the two screws securing the
Scan Motor and remove it.
Samsung Electronics
Scan Motor Ass'y
Scan Motor
Bracket
Scan Motor
8. Using a flat-blade screwdriver remove the Full
Sensor, as shown below.
Disassembly and Reassembly
Full Sensor
Service Manual
5-13