Epson TM-FX2180 manual Top

EPSON FX-2180 Service Manual

Table 3-8. Repairing the Printer Mechanism (Continued)

Problem	Symptom	Cause	Checkpoint	Solution
	Printing is	Platen	Check the	Adjust the
	uneven (lighter	parallelism is	platen	platen
	or darker on the	not adjusted	parallelism.	parallelism.
	left side of the	properly.	(See Chapter 5.)	(See
	page than on			Chapter 5.)
	the right side).
	Printing is too	The platen gap	Check the	Adjust the
	light.	is too wide.	platen gap. (See	platen gap.
			Chapter 5.)	(See
				Chapter 5.)
		The print head	Check if the tips	Replace
		is defective.	of the dot wires	the print
			are worn.	head.
		The print head	Check the print	Replace
		drivers on the	head drivers on	the main
		main board are	the main board.	board.
		bad.	(See Table 3-7.)

Chapter 3 Troubleshooting

Table 3-8. Repairing the Printer Mechanism (Continued)

Problem	Symptom	Cause	Checkpoint	Solution
Paper	The PF motor	The PF motor is	Measure the coil	Replace
feeding is	does not rotate	defective.	resistance of the	the PF
abnormal.	at all.		PF motor. It	motor.
			should be
			approx. 16.1 Ω.
			(See Table 3-3.)
		CN10 is not	Check the	Connect
		properly	connection.	CN10.
		connected to the
		main board.
		The front or rear	Check the	Replace
		PE sensor is	operation of the	the front or
		defective.	front and rear PE	rear PE
			sensors.	sensor.
			(See Table 3-2.)
		The front or rear	Check the front	Install the
		PE sensor is not	and rear PE	front and/or
		installed	sensor	rear PE
		correctly.	connections.	sensor
				correctly.
	When you turn	Foreign material	Check the TOP	Remove
	on the printer,	is stuck on the	sensor.	any foreign
	it ejects the	TOP sensor.		material
	paper			from the
	automatically			TOP
	and then			sensor.
	indicates it is in
	the ready
	state.
		The TOP sensor	Check the	Replace
		is defective.	operation of the	the TOP
			TOP sensor.	sensor.
			(See Table 3-2.)

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