Epson STYLUS Scan 2500 Service Manual page 66

EPSON Stylus Scan 2500
Symptom Condition
Abnormal PF motor
Abnormal pump
operation when the
mechanism operation
power is turned on.
Used ink does not go
Ink is not absorbed or
through the waste ink
is poorly absorbed.
tube.
Abnormal carriage
operation at power on.
Abnormal carriage
operation.
Abnormal carriage
operation during
printing.
Troubleshooting
Table 3-4. Repair of the Printer Mechanis m
Cause Check Point
Foreign substances are Manually drive the platen drive gear and
loaded in the PF gears. check it if it rotates normally.
The PF motor is defective.
Check the inner coil resistance and see if
there is any disconnection of the coil.
(Refer to Table5-1)
The pump tube is
Check the tube visually.
crashed.
Capping rubber is
Check the capping rubber visually.
damaged or deformed.
Check if the tube is out of the cap
The tube is out of the cap.
visually.
Pump bulb is not closed
Check the bulb operation visually.
at absorption.
Foreign substance in the Check visually if there is any substances
CR drive gear. or not.
Check the inner coil resistance and see if
CR motor is defective.
there is any disconnection of the coil.
Check whether the carriage moves
smoothly when moved manually.
Carriage movement is not
Check tension of the timing belt.
smooth.
Check if there is any foreign substances
in the carriage path.
Printer Related Troubleshooting
Revision A
Solution
Remove any foreign substances.
Replace the PF motor.
Fix the crashed part by the airgun.
Replace the cap mechanism.
Connect the tube properly.
Replace the cap mechanism.
Remove any foreign substances.
Replace the CR motor.
Clean and lubricate the carriage
guide axis.
Adjust tension mechanism or
replace it.
Remove any foreign substances.
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