Epson STYLUS 3000 Service Manual page 143

Table 5-10. Repair of M-4I60 Printer Mechanism(continued)
Condition
Symptom : CR motor operates abnormally (continued)
CR moves slightly at CR does not
power on, then stops. move smoothly.
The CR moves
The head FFC is
normally, but no disconnected from
printing is performed. the printhead or
MAIN board.
The head FFC is
damaged.
The ink cartridge
is defective.
The printhead is
defective.
A particular dot Ink is not ejected
causes abnormal straight or dot is
printing constantly. missing due to
viscous ink.
The head FFC is
disconnected from
the printhead or
MAIN board.
The head FFC is
damaged.
The printhead is
defective.
Some dots don't print Ink is not ejected
occasionally. straight or dot is
missing due to
viscous ink.
The head FFC is
disconnected from
the printhead or
MAIN board.
The head FFC is
damaged.
The printhead is
defective.
Ink cartridge is
defective.
Rev. A
Cause
Move the CR manually and check if it
moves smoothly.
Check if the timing belt has appropriate
tension.
Check if the platen gap is proper.
Symptom :The printer does not print.
Check if the FFC is connected to the
printhead and MAIN board.
Check if there is continuity using the
multimeter.
Install a new cartridge and run the Self-
test. (Because the user might have
removed and reinstalled the cartridge
several times.)
Repeat cleaning at least 3 times and
check if the condition is improved. If
not, replace the printhead and run the
Self-test.
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.
Repeat cleaning at least 3 times and
check if the condition is improved. If
not, 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.)
EPSON Stylus COLOR 3000
Checkpoint Solution
Clean and lubricate the
CR guide shaft. (Refer
to Chapter 6.)
Replace the tension
spring or timing belt.
Adjust the platen gap.
(Refer to Chapter 4.)
Connect the FFC
securely.
Replace the head
FFC.
Replace the ink
cartridge.
Replace the printhead.
Clean the printhead
surface.
Connect the head FFC
securely.
Replace the head
FFC.
Replace the printhead.
Clean the printhead
surface.
Connect the FFC
securely.
Replace the FFC.
Replace the printhead.
Replace the ink
cartridge.
5-15