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Figure 7-13. Short test pattern
Long self test
To seethe printer’s varietyof type styles, youcan run the long version
of the printer’sself test.
1. Check that paper isin position for printing.
2. With power off, pressthe Paper Feed switch on the control panel and
hold it down.
3. Stillholding the Pap Feed wvitd down, turn the printer’spower ON.
The printer will automatically start printing atest pattern of its full
character wt in varioustype styles. Watch the lights on the control panel;
theyindicate which type style isprinting. The test pattern variesdepending
on thesetting ofDIP switch 1-6(ON —Standard mode, OFF —IBMmode),
but more about that later.
This test repeats indefinitelyin acycle of 30 or 70 lines. To stop the
test, switchpower off.
Interface test
After confirmingthat the printer works by itself, it is time to test the
interface with the computer. The simplestway to do this is with adirect
command. Power up both the printer and computer, load paper, then try
acommand likeone of the following:
MS-DOS or PC-DOS command:
A>ECHO THE INTERFACE WORKS>PRN
Microsoft BASICcommand:
LPRINT “THE INTERFACEWORKS”Or you can try any other command understood by your computer to
print alineof text. Consult your computer manual if you need help. If you
repeat the command afewtimes, the printout will comeinto view.
Nextyou may want to try atest printoutwith word-processingsoftware,
but for this to succeedyou will have to set the printer’s DIP switches (see
the end of this chapter) and install your software to support the printer
correctly(see Chapter 3).
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