IBM PCjr - Page 370

Heat Sink/Power Transistor Assembly
Removal 1460
1.
2.
3.
4.
5.
6.
7.
8.
9.
Set printer POWER switch to OFF; unplug printer
power cord from wall outlet and disconnect printer
cable.
Remove forms.
Remove forms rack (1440).
Remove access cover (1430).
Remove top cover (1432).
Remove power transformer (1475).
Remove fuse-filter card/power cord (1452).
Remove control circuit card (1415).
Remove print mechanism assembly (1488).
10.Liftheat sink assembly 0 frombase cover.
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4-1400-38 Graphics Printer