Examining The Nozzle Check Pattern - Epson STYLUS Color 875DCS Printer Basics Manual

7. If the nozzle check pattern has no gaps in its dots, click
If the pattern is missing dots, click
don't see any improvement after cleaning three or four times, check the solutions
in "Problems Getting Good Print Quality" on page 65. You can also turn the
printer off and wait overnight—this allows any dried ink to soften—and then try
cleaning the print head again.

Examining the Nozzle Check Pattern

Examine the nozzle check pattern you print. It should look something like this:
Each staggered horizontal and straight vertical line should be complete, with no gaps
in the dot pattern. If your printout looks okay, you're done.
If any dots are missing, as shown below, clean the print head again; see page 49 for
instructions.
missing dots
to clean the print head again. If you
Clean
missing dots
missing dots
.
Finish
51