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Disassembly
and
Assembly
Removing the C076 PSB Board Assembly
NOTE
To remove the C076 PSB board assembly for replacement, you must use a special extractor
tool, available from Epson Parts Order Services. After obtaining the special tool shown,
follow the procedure below.
I
OneWai
(Rivet
Head)
Screw
Figure 4-26. Special Extractor Tool
WARNING
Do not touch the heat sink attached to the FET
(Ql)
when the printer is powered on.
If you
touch the heat sink, you may suffer
from
electric shock.
1.
Remove the paper guide assembly, ribbon, top cover, front cover, paper eject cover, and tractor
unit. (See page 4-5.)
2.
Remove the panel unit. (See page 4-6.)
3.
Remove the upper housing assembly. (See page 4-8.)
4.
Remove the printer mechanism. (See page 4-9.)
5.
Remove the three CBB (M3x12) screws and the two CBC (M3x8) screws on the C076 PSB board
assembly. Remove connectors CN1 (2-pin) and CN2 (11-pin).
6.
Remove the C076 PSB board assembly.
4-24
Epson FX-870/1170