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Head cleaning
This function cleans the surface of the print head. If
you find that the printed data is unexpectedly faint or
dots in the printed data are missing, follow the steps
below to clean the print head.
c
Caution:
The cleaning process consumes ink of all ink
cartridges at the same time. Even if you are
using only black inks, the head cleaning also
consumes color inks.
You do not need to perform head cleaning
unless the printed data is blurred or the color
of the image is not good.
After cleaning the print head, print a nozzle
check pattern to check if it is printed correctly.
When the Ink Check light is flashing or on,
you cannot clean the print head. Replace the
ink cartridge with a new one first. (If the ink
enough remains for the head cleaning, you
may perform head cleaning using the
printer’s control panel.)
See “Replacing Ink Cartridges” on page
68
When repeating head cleaning in a short
time period, the maintenance tank may be
nearing the end of its service life quickly due
to minimal ink evaporation in the tank.
A
Press the button to enter the CLEANING
menu.
B
Press the / button to display NORMAL
CLEANING, and then press the
button.
The Power light starts flashing and head
cleaning starts. It takes two to four minutes to
complete normal cleaning. (However, if the
cleaning was performed by the printer’s AUTO
NOZZLE CHECK function, it takes four minutes
or more.) Cleaning is finished when the Power
light is on.
Note:
The CLEANING menu has three menu items;
NORMAL CLEANING performs a normal
cleaning, CLEAN COLOR PAIRS allows you to
select which nozzle combinations to clean,
POWER CLEANING performs a stronger cleaning
than NORMAL CLEANING. If you know which
colors you want to clean, select CLEAN COLOR
PAIRS and then press the
button to select
the color combinations.
See “MAINTENANCE” on page 25
C
Print a nozzle check pattern, and check the result.
See “Nozzle check” on page 75
Note:
If the nozzles are still clogged after cleaning
the print head a few times, perform power
cleaning.
See “Power cleaning” on page 78
If the CLEANING ERROR appears on the
LCD panel, see the following section to
solve the problem.
See “Error Messages on the LCD
Panel” on page 88
Epson Stylus Pro WT7900/7910 User’s Guide
Maintenance
77
77


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