Epson MX-80 Technical Manual page 81

SYMPTOM 1
All the Indicators on the control panel do not light when the power switch is turned on.
YES
fuse blown out?
'no
Replace control
taa
circuit board.
ndicators
-
NO
-
Replace control panel
-
REV. A
cators
Replace power
translormer
Replace fuse.
YES
YES
6-2