EPSON Stylus Photo 750 Revision A
Troubleshooting Unit Level Troubleshooting 42

2. Error is detected.

Figure 3-3. Flowchart 2

3. Abnormal printing operation

Figure 3-4. Flowchart 3

START
Check the error
message.(Refer to
Table 3-3)
Is it a c a rria g e
er ro r?
Is it a n in k
ca rtridg e
er ro r?
Maintenance Error
Replace the w aste
ink absorber and reset
the counter.
(Refer to 1.4.4)
NO
NO
T u rn o ff th e p rin te r,
and move the carriage
by hand.
Yes
Replace the ink-
cartridge w ith 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
m ove sm oo thly?
Yes
Check CR m otor.
Replace the m ain
board if there is no
problem .
Is the problem
solved?
R e fe r to S e c tio n 3 .5
"Repair of the printer
mechanism".
END
NO
Yes
NO
Yes
NO
START
Is p rin tin g
carried out
O .K ?
Is p rin t
quality
normal?
Is th e
problem
solved?
Perform printing
adjustment.
(Refer to Chapter5)
Replace the ink
cartridge with a new
one and perform
self-test.
Is th e
problem
solved?
Refer to 3.5 Repair of
the printer-mechanism".
Is th e
END
END
Are all
cables connected
to th e m ain
board?
Perform cleaning
Connect them.
Is th e
Refer to 3.5 "Repair of
the printer-mechanism".
Is th e
END
Replace the M ain
board
NO
YES
NO
NO
YES
YES
NO
YES
YES
NO
YES
NO
YES
NO
YES
Perform self-
tes t p rin tin g
problem
solved?
problem
solved?
problem
solved?
NO