Oki ML390 Service Manual page 92

Rev C
NOTE:
The transformer contains a built-in temperature fuse. Once the fuse opens, the transformer MUST be
replaced.
· Perform this procedure: 3.2.01
· 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).
P/N 56407201 Transformer: 120 V Both 90 RSPL A B C
P/N 56407202 Transformer: 120 V Both 91 RSPL A B C
P/N 56407801 Transformer: 220/240 V Both 90 Option RSPL A B C
P/N 56407802 Transformer: 220/240 V Both 91 Option RSPL A B C
Service Guide ML390/391
Chapter 3 Maintenance & Disassembly
,3.2.04 .
B.2.02
B.2.02
, B.2.03
, B.2.03
B.2.02 , B.2.03
B.2.02 , B.2.03
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