Epson Stylus COLOR 3000

EPSON Stylus COLOR 3000
EPSON Stylus Color 3000 Service Manual
5
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Table 5-7 M-4J60 Printer Mechanism Repair (continued)
Condition Cause Checkpoint Solution
Symptom: The printer prints abnormally.
A particular dot
causes constant
abnormal printing.
Ink is not ejected
straight or dots
are missing due to
viscous ink.
Repeat cleaning sequence and run the
Self-test.
Clean the printhead
surface.
The FFC is
disconnected from
the printhead or
main board.
Check if the FFC is connected to the
printhead and main board.
Connect the FFC
securely.
The FFC is
damaged.
Check if there is continuity using the
multimeter.
Replace the FFC.
The printhead is
defective.
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.
Replace the printhead.
Some dots
occasionally don’t
print.
Ink is not ejected
straight or dot is
missing due to
viscous ink.
Repeat cleaning sequence and run the
Self-test.
Clean the printhead
surface.
The FFC is
disconnected from
the printhead or
main board.
Check if the FFC is connected to the
printhead and main board.
Connect the FFC
securely.
The FFC is
damaged.
Check if there is continuity using the
multimeter.
Replace the FFC.
The printhead is
defective.
Repeat cleaning at least 3 times and
check if the condition is improved.
If not, replace the printhead and run
the Self-test.
Replace the printhead.
Ink cartridge is
defective.
Install a new cartridge and run the
Self-test. (Because the user might
have removed and reinstalled the
cartridge several times.)
Replace the ink
cartridge.