Epson FX-870/1170 - Manual (Page 63)

Troubleshooting
Chart 1. Printer Dead at Power On (Continued)
Disconnect
connector 2
and power on
p r i n t e r .
Yes
i n i t i a l i z e ?
board.
Check motors and
printhead.
END
I ”
(If shorted, use
Tables 3-5 and 3-6 to
check drivers on
MAIN board, and if
bad, replace main
board at same time.
board.
END
3-10 Epson