Epson STYLUS COLOR 3000 Service Manual page 146

Condition
A particular dot Ink is not ejected
causes constant straight or dots
abnormal printing. are missing due to
viscous ink.
The FFC is
disconnected from
the printhead or
main board.
The FFC is
damaged.
The printhead is
defective.
Some dots Ink is not ejected
occasionally don't straight or dot is
print. missing due to
viscous ink.
The FFC is
disconnected from
the printhead or
main board.
The FFC is
damaged.
The printhead is
defective.
Ink cartridge is
defective.
EPSON Stylus Color 3000 Service Manual
Table 5-7 M-4J60 Printer Mechanism Repair (continued)
Cause
Symptom: The printer prints abnormally.
Repeat cleaning sequence and run the
Self-test.
Check if the FFC is connected to the
printhead and main board.
Check if there is continuity using the
multimeter.
Use the driver to clean the printhead at
least 3 times. Run a nozzle test after
each cleaning. If there's no
improvement, replace the printhead
and run the Self-test.
Repeat cleaning sequence and run the
Self-test.
Check if the FFC is connected to the
printhead and main board.
Check if there is continuity using the
multimeter.
Repeat cleaning at least 3 times and
check if the condition is improved.
If not, replace the printhead and run
the Self-test.
Install a new cartridge and run the
Self-test. (Because the user might
have removed and reinstalled the
cartridge several times.)
Checkpoint
EPSON Stylus COLOR 3000
Solution
Clean the printhead
surface.
Connect the FFC
securely.
Replace the FFC.
Replace the printhead.
Clean the printhead
surface.
Connect the FFC
securely.
Replace the FFC.
Replace the printhead.
Replace the ink
cartridge.
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