Failure Occurs During Printing - Epson Stylus Pro Service Manual

Troubleshooting

5.2.3 Failure Occurs During Printing

START
Run the
self-test.
Does the self-
test print?
YES
Is print
quality bad ?
YES
Perform the
cleaning.
Is the problem
corrected ?
YES
END
5-6
NO
NO
Adjust the
bidirectional
print alignment or
readjust the head
arrangement
adjustment.
(See Chapter 4.)
NO
See the section
describing repair of
the printer mechanism.
Is the problem
corrected ?
YES
Check all motors,
drivers, and printhead
for shorts. If they are
OK, replace the C164
MAIN board.
Flowchart - 3
Stylus Pro Service Manual
Are all cables
connected to C164
MAIN firmly ?
NO
Connect the cables
correctly.
YES
Is the problem
corrected ?
NO
Check all motors,
drivers, and printhead
for shorts. If they are
OK, replace the C164
MAIN board.
NO
END
YES
Rev.A