Epson Stylus Pro 7710 User's Guide download pdf (Page 99)

Cause What to do

Print quality is poor, uneven, too

light, or too dark.

Have you compared the printing result with the image on the display monitor?

Since monitors and printers produce colors differently, printed colors will not always

match on-screen colors perfectly.

❏ Televisions and monitors produce a range of colors by combining the 3 colors

known as the 3 primary colors of light, red (R), green (G), and blue (B). When none

of the lights are shining, the result is black, and when all 3 colors are shining, the

result is white.

❏ However, color gravure printing and color printers use a combination of the 3

primary colors of pigment, yellow (Y), magenta (M), and cyan (C). When no color is

applied, the result is white, and when all 3 colors are mixed evenly, the result is black.

❏ Printing a scanned image necessitates the changes from the original image (CMY)

to the monitor (RGB) then to the print (CMY), making color matching even more

difficult. In this case, color matching between the devices is handled by ICM

(Windows) or ColorSync (Mac OS X).

When using a color management system such as ICM (Windows) or ColorSync

(Mac OS X), have you set a monitor profile?

For proper management, the input devices and applications used must support ICM

(Windows) or ColorSync (Mac OS X). Also, it is necessary to set the profile for the

monitor that you are using.

Did you open the front cover during printing?

If the front cover is opened during printing, the carriage stops suddenly causing

unevenness in the color. Do not open the front cover during printing.

Does INK LOW appear on the LCD panel?

The print quality may decrease when the ink is nearly expended. Replace the ink

cartridge with a new one. If the print quality is not good after replacing the ink

cartridge, perform head cleaning a few times.

The color is not the same as

another printer.

Colors vary depending on the printer type due to each printer’s characteristics.

Since each printer differs according to the model, such as the ink, printer driver, and

printer profile, hence each printer’s results slightly differ as well. You can achieve

similar colors with the same color adjustment method or gamma setting by using the

printer driver.

See “Using Color Management” on page 159

To match the color precisely, use the color measurement device to perform color

management.

Epson Stylus Pro 7700/7710/9700/9710 User’s Guide

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Epson Stylus Pro 7710 User's Guide Page 99