Epson LQ-1070 Service Manual page 91

(1) Printer Fails to Operate when Power is On
S T A R T
Measure the output voltage
from the Power Supply board.
.
No
Replace the
MECHANISM.
1
I
END
input voltage.
Replace the fuSe
and disconnect
No
PRINTER
I
5-3
is turned ON again,
1
Replace the BOARD ASSY.,
PoWER SUPPLY.
REV.-B