Epson C40UX service manual Print quality is not good

Stylus C40UX/C40SX/C20UX/C20SX						Revision A
		Table 3-22. Print quality is not good
	Step	Detail phenomenon		Check point	Remedy
	No.
			1.	Check if the suitable	1. Use the suitable paper
				paper is used	according to the driver
				according to the	setting.
	3	Printing is blurred		printer driver setting.
			2.	Check if the correct	2. Input 6 digits code of
				head ID is stored in the	the head ID into the
				EEPROM by using the	EEPROM by using the
				Adjustment program.	Adjustment program.
			1.	Check if the following	1. Clean the ink stained
				parts are stained with	parts with soft cloth.
				ink.
			•	PF roller
			•	Paper guide front
			•	Paper eject roller.
			2.	Check if there is some
				ink drops around the
				backside of the	2. Wipe off the ink drop
				printhead.
	4	Ink stains the paper			with the soft cloth
			3.	If the bottom area of
					carefully.
				the printed paper has
				ink stain, check if the	3. Secure the screws fixing
				Paper eject frame is
					the Paper eject frame.
				secured with three
				screws.
			4.	If the bottom area of
				the printed paper has
				ink stain, check if the	4. Replace the Paper eject
				Paper eject frame is
					frame with new one.
				bent upward.

Troubleshooting Troubleshooting with LED Error Indications 55