Specifications

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
C heck the error
m essage.(R efer to
Table 3-3)
Is it a c a rria g e
e rro r?
Is it a n in k
c a rtrid g e
e rro r?
M aintenance Error
R eplace the w aste
ink absorber and reset
the counter.
(R efer to 1.4.4)
NO
NO
T u rn o ff th e p rin te r,
and m ove the carriage
by hand.
Yes
R eplace the ink-
cartridge w ith a
new one.
Yes
D oes the error
appear again?
C heck the ink cartridge
sensor and replace
the head if it's ubnorm al.
END
D oes the carriage
m ove sm oothly?
Yes
Check CR motor.
R eplace 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
"R epair of the printer
m echanism ".
END
NO
Yes
NO
Yes
NO
START
Is p rin tin g
carried out
O .K ?
Is p rin t
quality
norm al?
Is th e
problem
solved?
Perform printing
adjustm ent.
(R efer to C hapter5)
R eplace the ink
cartridge w ith a new
one and perform
self-test.
Is th e
problem
solved?
R efer to 3.5 R epair of
the printer-m echanism ".
Is th e
END
END
Are all
cables connected
to th e m a in
board?
Perform cleaning
C onnect them .
Is th e
R efer to 3.5 "R epair of
the printer-m echanism ".
Is th e
END
R eplace the M ain
board
NO
YES
NO
NO
YES
YES
NO
YES
YES
NO
YES
NO
YES
NO
YES
Perform self-
te s t p rin tin g
problem
solved?
problem
solved?
problem
solved?
NO