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5.4 Repair of PRINTER MECHANISM
Any problems related to the printer mechanism should be repaired according to the troubleshooting
procedures in Table 5-5.
Table 5-5. Repair of the Printer Mechanism
Symptom Condition Cause Checkpoint Solution
The pump
mechanism
does not
operate.
The PF motor
fails to rotate at
power on.
PF motor is
defective.
Measure the coil
resistance of the CR motor.
21 Ω±1Ω
Remove any
foreign
substance.
Carriage flag is
defective.
Check the flag on the back
of the carriage unit.
Replace the
carriage unit.
Used ink does
not go through
the used ink
tube during the
cleaning
operation.
The tube is not
properly
connected to the
cap.
Check that the tube is
properly connected to the
cap.
Insert the tube
properly.
The ink tube is
damaged.
Check the ink tube visually.
Replace the
tube.
The cap is
defective.
Check for any defective
part.
Replace the
head cap.
The pump is
defective.
Replace the pump to see if
this causes the ink to be
absorbed normally.
Replace the
pump unit.
The printhead is
defective.
Replace the printhead to
see if this causes the ink
to be absorbed normally.
Replace the
printhead.
The carriage
motor does
not rotate.
The carriage
motor fails to
rotate at power
on.
PG value is
incoorect.
Check the PG value.
(1.18 mm ± 1/100)
Remove any
foreign
substances.
CRHP sensor is
defective.
Check voltage reaction at
pin 1 on CN8.
Replace
CRHP.
The carriage
motor is defective.
Measure the coil
resistance of the CR motor.
22 Ω±7%
Replace the
carriage
motor.
The carriage
does not
operate
normally at
power on
(after the
carriage has
been
manually
centered
prior to
power on).
The carriage
motor rotates,
but the carriage
does not move.
The pulley is
defective.
Check for broken or worn
pulley.
Replace the
driven pulley.
The timing belt is
defective.
Check that the timing belt
is properly inserted into
the bottom of the carriage.
Reinsert the
timing belt.
Check the timing belt for
any damage.
Replace the
timing belt.
The carriage
moves slightly
and then stops.
Carriage
movement is not
smooth.
Check whether the
carriage moves smoothly
when moved manually.
Clean and
lubricate the
carriage.
Check tension of the
timing belt.
Adjust tension
of the timing
belt.
Troubleshooting Epson Stylus Color 200 / Epson Stylus 200
5-6 Rev. A