Oki B4100 - Manual (Page 177)

40055101TH Rev.4 177 /
4.1.3.16 Pressure Roller B (Back Up Roller)
(1) Disassembly procedure
a) First, carry out procedure up to the point
of the 4.1.3.2 (ID Unit, Cover-Rear, Cover-
NCU and Cover-MAIN).
b) Dismount the high-voltage power supply
board. (See Section 4.1.3.10)
c) Dismount heat assembly.
(See section 4.1.3.15)
d) Dismount the engagement with the left
ground, then pressure roller B. (Two bear-
ing BUs and two bias springs also come
off at the same time.)
(2) Reassembly procedure
Reverse the disassembly procedures
Bearing BU
Pressure roller B
Bearing BU
Bias spring
Bias spring
(CP4.1 Fig. 32)