Epson 3000 Symptom : Paper is fed abnormally, Symptom : Abnormal printing (continued), Symptom : The printer detects paper size incorrectly

Troubleshooting

Table 5-11. Repair of M-4I60 Printer Mechanism(continued)

Condition	Cause	Checkpoint	Solution
	Symptom : Abnormal printing (continued)
Vertical lines don’t	Bi-$is not	⎯	Perform necessary
align.	properly adjusted.		adjustments.
			(Refer to Chapter 4.)
White banding	The printhead is	Repeat cleaning at least 3 times and	Replace the printhead.
problem occurs.	defective.	check if the condition is improved.
		If not, replace the printhead and run the
		Self-test.
	Paper feed		Replace the PF motor.
	mechanism does	⎯
	not operate
	normally.
Outline of the image	Head angular is	⎯	Perform necessary
is not clear.	not properly		adjustment.
Color inks don’t print	adjusted.		(Refer to Chapter 4.)
properly.	Head gap is not	⎯	Perform necessary
	properly adjusted.		adjustment.
			(Refer to Chapter 4.)
	Black and color	⎯	Perform necessary
	printheads are not		adjustment.
	vertically aligned.		(Refer to Chapter 4.)
	The printhead is	⎯	Replace the printhead.
	defective.
	Symptom : Paper is fed abnormally.
Paper is not fed.	Foreign objects	Turn the knob and check if the paper	Remove the foreign
	are lodged in the	feed mechanism is normally	objects.
	edge guide, PF	functioning.
	roller, paper guide
	unit, or paper
	eject drive unit.
	The PF motor is	Check if the resistance of the motor	Replace the PF motor.
	defective.	coil is as follows;
		10 Ω ± 10% at 25 °C per phase
		(Refer to Table 5-1.)
The top edge of the	The PF roller	Check if micro powder is remaining on	Clean the PF roller.
loaded paper is not	surface has micro	the PF roller.
properly positioned.	pearl of the glossy
	film and doesn’t
	grip paper
	properly.
Symptom : The printer detects paper size incorrectly.
The printer prints	CR PW sensor is	Load the paper and check the Pin 24
beyond the printing	defective.	and Pin 25 on the CN21 for the change
area.		in the signal HIGH and LOW.

5-16 Rev. A