E-Tech WT7900 User Manual

The following table lists the error messages in alphabetical order and 
includes an explanation and instructions for correcting the problem:

CALL FOR SERVICE

An error has occurred.

The number 3000 indicates that 
AC power has been 
interrupted.

Note the error number, then turn the printer 
off. Then check the power cord connection 
at both ends and turn it back on. If the 
message remains after restarting the printer 
several times, contact Epson as described 
on page 11.

CANNOT OPEN INK COVER

Something is obstructing the 
indicated ink cover

Remove the obstruction and press the 

 

button again.

CLEANING ERROR

AUTOMATIC HEAD 
CLEANING FAILED

RETRY?

During automatic head 
cleaning, the printer was 
unable to clean the print head 
after three cleaning cycles.

Press 

 to clear the error. Check and 

clean the print head as described on 
page 83. If cleaning doesn’t start, cancel 
printing from the computer, then turn the 
printer off and back on again.

CLEANING ERROR
NOT ENOUGH INK

CONTINUE CLEANING?

Not enough ink to finish head 
cleaning, but enough for 
printing.

Select Yes and replace the cartridge(s) to 
continue cleaning; see page 88. After 
cleaning is finished, you can re-use the low 
ink cartridge.

CLEANING ERROR

NOT ENOUGH EMPTY 
SPACE IN MAIN TANK

CONTINUE CLEANING?

Not enough space in the 
maintenance tank to finish 
head cleaning.

Select Yes and replace the maintenance 
tank; see page 97. 

COMMAND ERROR

CHECK DRIVER SETTINGS

You may be using the wrong 
driver.

Damaged data was sent to the 
printer or the data has an 
incorrect command.

Press the 

Pause/reset button button 

to cancel the print job and reset the printer. 
Make sure you installed the correct driver 
for your printer. 

CUTTER UNIT NEARING 
END OF SERVICE LIFE.

RECOMMEND REPLACING 
THE CUTTER UNIT

The paper cutter may be dull.

Replace the paper cutter; see page 94.

F/W INSTALL ERROR

UPDATE FAILED RESTART 
THE PRINTER

Firmware update failed.

Restart the printer, then update the 
firmware again; see page 43. 

FRONT COVER OPEN

CLOSE FRONT COVER

Front cover is open.

Close the front cover.