Epson STYLUS Scan 2500 Service Manual page 67

EPSON Stylus Scan 2500
Symptom Condition
The carriage moves,
Printing is not
but no printing is
performed.
performed.
Only a particular dot
causes abnormal
printing.
Abnormal printing
A dot is not printed
occasionally.
Black specks or dots.
Troubleshooting
Table 3-4. Repair of the Printer Mechanism (cont.)
Cause Check Point
Head FFC is out of Check if the head FFC on the board or
connection. carriage is connected surely.
The FFC is disconnected
Check the FFC by using a tester.
inside.
Install a new I/C and perform the self-
I/C is defective.
test.
If the condition does not improve even
after 2or 3 times cleaning operation,
Head unit is defective.
replace the head unit and perform the
self-test.
Print head surface is not
Perform the cleaning operation several
clean.
times and check printing.
(dot missing)
Perform the cleaning operation several
The head unit is defective.
times and check printing.
Capping absorber is
touching the head Check the head absorber visually.
surface.
Print head 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.
Perform the cleaning operation several
The head unit is 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 detective. Check connection with the head FFC.
Printer Related Troubleshooting
Revision A
Solution
Connect the FFC properly.
Replace the FFC.
Replace I/C.
Replace the head unit.
Perform the cleaning.
If condition does not improve
even after the cleaning, replace
the head.
Replace the head absorber 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.
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