Epson Stylus COLOR 3000

Troubleshooting
EPSON Stylus Color 3000 Service Manual
5-16
Table 5-7 M-4J60 Printer Mechanism Repair (continued)
Condition Cause Checkpoint Solution
Symptom: CR motor operates abnormally
Abnormal rotation at
power on.
Foreign objects
are lodged in the
CR mechanism.
Check visually if any foreign object is
in the CR mechanism.
Remove the foreign
object.
CR motor is
defective.
Check if the resistance of the motor
coil is as follows:
5Ω ± 7% at 25 °C per phase
(Refer to Table 5-1.)
Replace the CR motor.
CR motor rotates, but
the CR unit does not
The timing belt is
damaged or
Check if the timing belt is installed at
the specified position in the CR unit.
Reinstall the timing
belt properly.
move. disengaged. Check if the timing belt is bent, worn,
or is missing some teeth.
Replace the timing
belt.
CR motor sub
pulley is
damaged.
Check if some teeth of the sub pulley
are broken.
Replace the CR motor.
CR moves slightly at
power on, then stops.
CR does not
move smoothly.
Move the CR manually and check if it
moves smoothly.
Clean and lubricate
the CR guide shaft.
(Refer to Chapter 6.)
Check if the timing belt has
appropriate tension.
Replace the tension
spring or timing belt.
Check if the platen gap is the proper
width.
Adjust the platen gap.
(Refer to Chapter 4.)
Symptom: The printer does not print.
The CR moves
normally, but no
printing is performed.
The head 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 head FFC is
damaged.
Check if there is continuity using the
multimeter.
Replace the head
FFC.
The ink cartridge
is defective.
Install a new cartridge and run the
Self-test. (The user might have
removed and reinstalled the cartridge
several times.)
Replace the ink
cartridge.
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.