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The FRONT/REAR button lets you select the front or
rear tractor when the printer is off line. If you have
been using paper loaded on one tractor, first
remove the printed output before switching the
tractor. When you switch between tractors, the
paper already loaded in the printer is fed
backward to the standby position, and the paper
on the newly selected tractor is loaded.
WARNING:
Never use the
FRONT/REAR
button when
labels are loaded in the printer. Also, be sure you remove
any printed documents before switching tractors. Never
feed more than one page backward through the printer.
Other control panel features
The control panel also gives you access to several special
functions.
Self
test
Data
dump
By holding down
the LINE FEED
or
FORM FEED
button
while you turn on the printer, you can start the printer’s
self test. The self test prints the current DIP switch
settings and the characters in the printer’s ROM (Read
Only Memory). See the section on running the self test in
Chapter 1 for more information.
By holding down both the
FORM FEED
and
LINE FEED
buttons while you turn on the printer, you can turn on
the data dump mode. This feature prints the codes that
are sent to the printer so that advanced users can find
the cause of communication problems between the
computer and printer. See the section on the data dump
mode in Chapter 7 for more information.
Using the Printer
3-7