Epson 2250 - Manual (Page 66)

Troubleshooting
Dots are missing in printed characters or graphics.
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.
Printed characters are not what you expected.
The typestyles or characters you sent with your software are not
printed.
Check that the software is correctly configured for your
printer. For instructions, see Chapter 1.
The font selected on the control panel does not print.
Your software may be overriding your control panel setting.
Check the font setting in your software program.
The wrong characters are printed.
The wrong character table is selected. Check the default
character table setting as described in “Changing the default
settings” on page 3-7.
3-22 Using the Printer