Epson STYLUS Scan 2000 Service Manual page 63

EPSON Stylus Scan 2000
Symptom Condition
Only a particular dot
causes abnormal
printing.
Abnormal printing
(continued on next
page)
A dot is not printed
occasionally.
Black specks or dots.
A vertical line is not
aligned.
Troubleshooting
Table 3-3. Repair of the Printer Mechanism (continued)
Cause Check Point
Print head surface is not
Perform the cleaning operation several
clean.
times and check printing.
(dot missing)
The head unit is Perform the cleaning operation several
defective. times and check printing.
Capping absorber pad is
touching the head Check the head absorber pad visually.
surface.
Printhead surface is not Perform the cleaning operation several
clean. (dot-missing) times and check printing.
The head FFC is
Check the FFC by using a tester.
disconnected inside.
The head FFC is out of Check if the head FFC on the board or
connection. carriage is connected surely.
The head unit is Perform the cleaning operation several
detective. times and check printing.
I/C is defective. Install the new I/C and perform self-test.
The head FFC is out of Check if the head FFC on the board or
connection. carriage is connected surely.
The head unit is
Check connection with the head FFC.
detective.
Bi-directional alignment is
Perform Bi-D adjustment.
not adjusted.
Repair of the Printer Mechanism
Revision A
Solution
Perform the cleaning.
If condition does not improve even
after the cleaning, replace the
head.
Replace the head absorber pad if it
is deformed.
Perform the cleaning.
Replace the head FFC.
Connect the FFC properly.
If condition does not improve even
after the cleaning, replace the
head.
Replace I/C.
Connect the FFC properly.
Replace the head if there is no
connection problem with the FFC.
Refer to Chapter 4.
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