Epson Stylus Color 440, Service Manual

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EPSON Stylus Color 440/640/740 Revision A
Chapter 3 Troubleshooting 86
3.2.2 Error is detected
Flowchart 2
3.2.3 Failure occurs during printing
Flowchart 3
START
Check the error
message.(Refer to
Table 3-3)
Is it a carriage
error?
Is it an ink
cartridge
error?
Maintenance Error
Replace the waste
ink absorber and reset
the counter.
(Refer to 1.4.2)
NO
NO
Turn off the printer,
and move the carriage
by hand.
Yes
Replace the ink-
cartridge with a
new one.
Yes
Does the error
appear again?
Check the ink cartridge
sensor and replace
the head if it's ubnormal.
END
Does the carriage
move smoothly?
Yes
Check CR motor.
Replace the main
board if there is no
problem.
Is the problem
solved?
Refer to Section 3.4
"Repair of the printer
mechanism".
END
NO
Yes
NO
Yes
NO
START
Is printing
carried out
O.K?
Is print
quality
normal?
Is the
problem
solved?
Perform printing
adjustment.
(Refer to Chapter5)
Replace the ink
cartridge with a new
one and perform
self-test.
Is the
problem
solved?
Refer to 3.4 2Repair of
the printer-mechanism".
Is the
END
END
Are all
cables connected
to the main
board?
Perform cleaning
Connect them.
Is the
Refer to 3.4 "Repair of
the printer-mechanism".
Is the
END
Replace the Main
board
NO
YES
NO
NO
YES
YES
NO
YES
YES
NO
YES
NO
YES
NO
YES
Perform self-
test printing
problem
solved?
problem
solved?
problem
solved?
NO