Problems And Solutions - Epson Stylus COLOR 900 User Manual

If the operation check page does not print satisfactorily, for
example, if any segment of the printed lines is missing, there is
a problem with the printer. This could be a clogged ink nozzle
or a misaligned print head.
The above sample is in black and white, but the actual test prints in color
(CMYK).

Problems and solutions

Most printer problems have simple solutions. Define the problem
from those below and apply the recommended solutions.
Print quality problems
If you want to improve print quality, see the following problems and
solutions.
Horizontal banding
Try one or more of these solutions:
Make sure the printable side of the paper is face up in the sheet
feeder.
Clean the print heads to clear clogged ink nozzles. See "Cleaning
the print heads" on page 22.
Check the B black and A color ink out lights. If a light is flashing,
replace an ink cartridge. See "Replacing Ink Cartridges" in your
Setup & Daily Use manual.
segments are missing
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