The Prints Are Not What You Expected - Epson Stylus Pro 7900 User Manual

Epson Stylus Pro 7900/7910/9900/9910

The prints are not what you expected

Cause
Print quality is poor, uneven, too
light, or too dark.
User's Guide
What to do
Are the print head nozzles clogged?
If the nozzles are clogged, the print quality is reduced. Print the nozzle check pattern.
If you replace the ink cartridges while the printer is turned off, the remaining of the ink
cannot be detected correctly so that the Ink Check light is not on even the ink cartridge
is needed to be replaced or you cannot print correctly. Be sure to follow the instructions
in this manual to replace the ink cartridge.
See "Replacing Ink Cartridges" on page 67
Is there any gap in the print head during bidirectional printing?
With bidirectional printing, the print head prints while moving left and right. If the print
head is misaligned, ruled lines may be printed misaligned with gaps. If vertical ruled lines
are misaligned with bidirectional printing, adjust the gap.
See "Print head alignment" on page 83
Are you using a genuine Epson ink cartridge?
If you use the non-Epson ink cartridge, the prints may smear, or the color of the printed
image may be changed because the ink end is not correctly detected. Be sure to use the
correct ink cartridge.
Are you using an old ink cartridge?
The print quality decreases when an old ink cartridge is used. Replace the old ink
cartridge with a new one. Be sure to use the ink cartridge before the expiry date (within
six months after installing to the printer).
Is the media type setting correct?
It affects the print quality if the paper you have selected in the Main menu (Windows) or
Print Settings dialog (Mac OS X) does not match with the paper that is loaded in the
printer. Be sure to match the media type setting with the paper that is loaded in the
printer.
Did you select Speed for Print Quality?
The print quality may decrease when you select Speed rather than Quality. If you want
to improve your print quality, select Quality for the Print Quality setting in the Main
menu.
Are you using PhotoEnhance?
Photo Enhance provides a variety of image-correction settings for the image data of
which contrast or brightness is not appropriate. Because of that, if Photo Enhance is
enabled, the color of the prints may differ from the color you see on the display.
See "Auto Color Adjustment by PhotoEnhance (Windows only)" on page 129
Have you made color adjustment settings?
The color is produced differently because the output devices (such as display, printer)
are different. In order to reduce the differences in color between each device, perform
color adjustment.
See "Using Color Management" on page 165
Problem Solver 104