Oki ML390 - Transformer Revs a and B

Page: 48
Service Guide ML390/391
Chapter 3 Maintenance & Disassembly
3.2.08 Transformer
Revs A and B
NOTE:
The transformer contains a built-in temperature fuse. Once the fuse opens, the transformer MUST be
replaced.
The transformer shown in the diagram is the Rev A and B transformer. This unit has been replaced by the
Rev C unit, shown on the following pages.
·
Perform this procedure: 3.2.01
, 3.2.04 .
· Disconnect the cable (1) from the filter assembly.
· Disconnect the cable (2) from the power supply board.
· Remove the screw (3) and detach the grounding wire (4).
· Insert a straight-slot screwdriver into the chassis from the bottom. (5 shows location)
· Push the lock spring (6) on the transformer and detach the lock spring from transformer clamp A (7).
· Lift the A side of the transformer and detach it from the transformer clamp B (8).