Epson C40UX service manual Paper out error indication, Step Detail phenomenon Check point Remedy

Stylus C40UX/C40SX/C20UX/C20SX Revision A

Table 3-4. Error Condition and possible cause (continued)

Symptom	Possible Cause	Check table
Any error indication is not	• Paper eject roller gear is disengaged from
displayed. But, the paper is	the pump’s gears.	Figure 3-16
not ejected completely.	• The Paper eject frame is not assembled in
Paper jam dose not occur.	the Paper eject frame.
	• Pump unit dose not absorb the ink from the

If the problem fits to the detail phenomenon in the table, make sure the check point and repair the product following the corresponding remedy mentioned in the table when you find the defective parts in the check point.

Table 3-5. Paper out error indication

Step	Detail phenomenon	Check point	Remedy
No.

		printhead.
Dot missing occur and it is		• Cap unit dose not stick on the surface of the	Figure 3-17
		printhead completely.	Figure 3-18
not recovered with CL
		• The printhead is broken.	Figure 3-19
		• The head FFC has any damage.
		• The main board is defective.
		• The accuracy of the CR motor is lowered.
		• The lack of the lubricant around the CR
Print quality is not good		unit.
		• The both I/C is not held in the CR unit
•	Vertical banding
		securely.	Table 3-20
•	Horizontal banding
		• The Paper eject frame is deformed.	Table 3-21
•	Printing is blurred
		• Any foreign material is sticking around the	Table 3-22
• Ink stains the paper
		printhead.
		• Paper feed accuracy is lowered.
		• Printer driver setting is not suitable.
		• Paper path has ink stain somewhere.

1

ASF LD roller attempt to load the paper.

But, paper is not loaded at all. The LD roller seems slipping.

•Check the surface of the LD roller if the micro pearl or severe smear is adhered.

LD roller

If it is no problem, proceed the next step.

•Set a cleaning sheet in the ASF up side down. Then holding the top edge, try to load the paper from the Printer driver. The micro pearl on the LD roller surface is removed. To remove severe smear, staple a cloth moistened with alcohol to a post card and clean the roller in the same manner.

Non-adhesive Area	(Use a post card
	for the base sheet)

CL Sheet
Adhesive Area	Staplers
This side down	Cloth moistened
	with alcohol

•If the problem is not solved, replace the LD unit with new one.

Troubleshooting Troubleshooting with LED Error Indications 47