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User's Manual
Table 7.1 Print Quality Problems and Solutions (Cont.)
Problem
Printing is erratic or
the wrong characters
are printed. One or
more "?" characters
are printed.
Characters are lost at
the left or right end.
TROUBLE-SHOOTING
Solution
Make sure that the interface cable is securely
connected to both the printer and computer.
Make sure that the printer emulation selected in
your software is the same as the emulation
selected on the printer. See the section Selecting
an Emulation in Chapter 2.
If you are using an RS-232C serial interface,
make sure that the serial settings required by
your software or computer are the same as the
settings on the printer. See the section
Hardware Items and Options in Chapter 5.
If lost area is about 10mm (3mm) from left and
right edge of continuous forms(single sheet),
Area-over detection control woks properly.
In this case make sure that paper size, paper
position, and left and right margins are properly
set.
Note
Preprinted dark color area, shape of corner cut,
paper skew may cause incorrect detection.
Please don't use medium like this.
If you must use medium like this absolutely,
you can disable Area-over detection by using
setup mode. But risk of print head broken is
increase.
Incorrect paper size selection of the Printer
Driver causes right side area is lost (exactly
Printer Driver divide the page by paper size
setting and postpone divided right page). Please
check the paper size setting.
7-3
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