Epson 440 - Printer Does Not Operate at Power on

Stylus Color 600 Service Manual
Rev. A
5-
4
5.2.1 Printer does not operate at power on
Is AC
power voltage
normal?
YES
Is the
fuse(F1) of
power supply
Is the
output voltage
of power supply
normal?
Exchange the main
board.
NO
Input normal
power supply.
NO
Exchange the fuse.
Disconnect CN10 in
the main board and
turn the power on
again.
YES
Check output voltage
of CN2 in the power
supply board.
Exchange the power
supply board
Check the motor and
head. Refer to the
repair item of the
printer mechanism.
START
END
YES
NO
board
opened?
YES
Is the
fuse opend
again?
NO
Figure 5-2. Flow Chart 1