Epson Scan 2500 Repair of the Printer Mechanis m, Symptom Condition Cause Check Point Solution

EPSON Stylus Scan 2500 Revision A

Table 3-4. Repair of the Printer Mechanis m

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

Troubleshooting Printer Related Troubleshooting 66