Konica Minolta bizhub 20 Service Manual page 316

(2) Remove the four cup S M3x6 SR Taptite screws and two Screw pan 3x6 to remove the
Main PCB.
Screw pan 3x6
Taptite, cup S M3x6 SR
Note:
There are procedures for disassembling Frame L after this procedure.
(9.41 FRAME L ASSY)
Main PCB
2a
2b
FG harness
Fig. 5-131
5-109
Confidential