Removing The C076 Psb Board Assembly - Epson FX-870 Service Manual

and
Disassembly Assembly

Removing the C076 PSB Board Assembly

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.
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.)
Remove the panel unit. (See page 4-6.)
2.
Remove the upper housing assembly. (See page 4-8.)
3.
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
NOTE
Figure 4-26. Special Extractor Tool
WARNING
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Epson FX-870/1170