Epson SureColor T7080

This section provides troubleshooting of print quality troubles classifying them by observed symptom. Before performing troubleshooting, refer to “Nozzle Check” and print nozzle check pattern. Examine the printed pattern, and if any missing segment is found, perform the PRINT HEAD cleaning.

Printed side is smudged or smeared with ink.

Cause	Check Item	Remedy
There is a problem with the paper used.	1. Is the paper wrinkled, bent, rippled, or warped? 2. Is the paper too thick and contacting with the head? 3. Is the paper too thin and loosening when being fed?	1. Replace the paper with a new proper one. 2. Adjust the PG setting according to the paper thickness.
Improper PG adjustment	Has the PG adjustment been made properly?	Perform the PG adjustment
The PF (Paper Feed) Roller is contaminated	Is the PF roller smudged or smeared with ink or anything?	Clean the roller. Print some blank pages to clean it.

The backside of paper is smudged or smeared with ink.

Cause	Check Item	Remedy
The platen is contaminated.	1. Is the platen contaminated with ink? 2. Is the Paper Size Check function enabled?	1. Clean the platen. 2. Enable (select “ON”) the Paper Size Check function.
Suction Fan is making the ink mists drift to the back of the printing paper.	Is the suction level of the fan proper?	Change the suction level appropriately.

Color or print density unevenness within a page or across pages.

Cause	Check Item	Remedy
The ink in the ink cartridge is not agitated enough.		Shake the ink cartridges so that ink droplets spread evenly inside the cartridges.
Deterioration of ink quality	Have the installed ink cartridges expired?	Replace the expired ink cartridges with new ones.
Improper PG adjustment	Has the PG adjustment been made properly?	Perform the PG adjustment.

Blurred print

Cause	Check Item	Remedy
Too much ink discharge.	Has the Head rank ID been written correctly?	Rewrite the Head rank ID with a correct one.

Paper dust is attached or the traces of the rollers appear.

Cause	Check Item	Remedy
Traces of Pressure Roller are caused because the paper had been kept set in the printer for a long time.		Remove the paper if the printer is left for a long time.
The paper dust attached on the PF rollers transferred to the paper.	Is there any paper dust attached to the PF rollers?	Clean the rollers. Print some blank pages to clean them.