Epson 3260 - Manual (Page 75)

Printed characters have parts missing at the
bottom.
The ribbon cartridge may not be installed properly. See the
section on ribbon installation in Chapter 1.
The printout has a smudged appearance.
You may be printing at too high a resolution. Select a lower
resolution using your application software.
The printout is faint
The ribbon may be worn out. Replace the ribbon cartridge as
described earlier in this chapter.
Check that the paper-thickness lever is set correctly for the
paper you are using. See “Adjusting the paper-thickness lever”
in chapter 2.
A line of dots is missing in the printout.
The print head is damaged. Stop printing and contact your
dealer to replace it.
Dots are missing in random positions.
Either there is too much slack in the ribbon or the ribbon has
come loose. Re-install the ribbon cartridge as described in
Chapter 1.
Using the Printer 3-19