Epson Stylus Color 1520 Service Manual page 123

EPSON Stylus COLOR 1520
3. Printing is abnormal.
START
Run a self-test.
Does it print?
YES
Is the
print result
abnormal?
YES
Repeat the cleaning
sequence or perform an
initial ink charge.
Is the problem
corrected?
YES
END
5-6
NO
NO
Perform the adjustments.
(Refer to Chapter 4.)
NO
Proceed to Section 5.5
"Repair of the Printer
Mechanism"
Is the problem
corrected?
YES
Figure 5-4. Flowchart (3)
Are all
connector
cables connected to
the main board
securely?
Connect them properly.
YES
Is the problem
corrected?
NO
Check the motors, drivers,
and printheads.
If they are normal, replace
the main board.
NO
END
YES
NO