Xerox Phaser 3300 Servce Manual page 216

Service Parts Disassembly
8-64
2. If necessary, remove the four screws securing the BLDC Motor Assembly
and remove it.
Note
The Drive Assembly base plate has numbers stamped onto it
corresponding to the 6 screws used to attach the plate to the frame. When
reinstalling the Drive Assembly, tighten the screws in numerical order.
Only screws numbered 1-5 are inserted at this stage. Screw 6 is installed
when the Shield Controller Assembly is installed.
s3300mfp-106
Phaser 3300MFP Service Manual