Epson Stylus COLOR 800 Service Manual page 150

EPSON Stylus &2/25 800
‰ Flow Chart 1 : The printer does not operate at all.
F1 on the PSB/PSE
from the CN2 on the
5-4
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Start
NO
Is the AC voltage
correct?
YES
Is the fuse
NO
board in a good
condition ?
YES
Is the
voltage output
NO
PSB/PSE board
normal?
YES
Replace the MAIN
board.
NO
Is the broblem
corrected?
YES
Check the motor and driver
circuits. Refer to the section
"Repair of the Printer Mechanism."
End
Figure 5-2. Flow Chart 1
Apply correct
AC voltage.
Replace the fuse.
NO
Has the fuse
blown?
Replace the
PSB/PSE board.
YES
Rev. A