User Guide User guide

Trouble-Shooting
7-2
Problem Solution
Printing is too light or too
dark.
Make sure that the ribbon cartridge is properly
installed and that the ribbon feeds smoothly.
Make sure that the ribbon cartridge properly
installed and that the ribbon feeds smoothly. Make
sure that the paper thickness lever is set for the
thickness of your paper. See “Paper Thickness
Lever Positions” in Chapter 3.
Check ribbon wear. Replace the ribbon if neces-
sary.
Stains or smudges appear
on the page.
Make sure that the paper thickness lever is set for
the thickness of your paper. See “Paper Thickness
Lever Positions” in Chapter 3.
Check ribbon wear. Replace the ribbon if neces-
sary.
Check whether the tip of the print head is dirty.
Clean the head with a soft cloth if necessary. For
removing the print head, see the section “Replacing
the Print Head” in Chapter 6.
The page is blank. Make sure that the ribbon cartridge is properly
installed. See the section “Installing the Ribbon Car-
tridge” in Chapter 2.
Printing is erratic or the
wrong characters are
printed. Many “?” or unex-
pected characters are
printed.
Make sure that the interface cable is securely con-
nected to both the printer and computer. See the
section “Connecting the printer to your computer” in
Chapter 2.
Make sure that the printer protocol selected in your
software is the same as the protocol selected on the
printer.
If you are using an serial interface, make sure that
the serial settings required by your software or com-
puter are the same as the settings on the printer.
See the section “Changing Install Options” in Chap-
ter 5.
If the PROTOCOL option is set to AUTO, the printer
may not detect the proper protocol. Force this option
according to your needs. See the section “Changing
Macro 1 and Macro 2 Options” in Chapter 5.