Epson FX-870

Troubleshooting
Chart 1. Printer Dead at Power On (Continued)
Disconnect
connector CM1 2
and power on
printer.
Yes
initialize?
R;g;y;N;ha
board.
Check motors and
printhead.
1
END
I”
(If shorted, use
Tables 3-5 and 3-6 to
check drivers on C994
MAIN board, and if
bad, replace main
board at same time. 1
board.
END
*
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3-10 Epson FX-870/1170