Dot Matrix Printer User's Manual

POWER-UP FUNCTIONS
In addition to their normal functions, all of the control panel buttonsperform
“special” functions if you hold them down while switching the power button
on.
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Short
lock
lock test test
test
Figure 4-2.
Power-up functions of control panel
Short test mode
If the printer is turned on while the I
ON LINE
1
button is pressed, the
printer willenter the short self-testmode, with the “PI” message on the LCD
display. The printer will print the version number of the printer’s ROM,
followed by seven lines of the character set.
Each line will be offset by one character from the one before it. The final
result will be something like Figure 4-3.
*** Ver 1 ,0 ***
! “#$%& ( ) *+, -. /0 123456789: ; <=> ?@ABCDEFGHI JKLMNOPQRSTUVWXYZ[ \ 1 “– abcdefgh i i k lnmo
! “#$%& ( ) *+, -. /0 t 23456789: ; <=>
?c3ABCDEFGHIJKLMNOPQRSTUVWXYZ[\ 1‘– abcdefgb i j klnmop
“#$%&() *+, -. /0 123456789:
; <=> ?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\ 1‘– abcde fghi j k lmnoiw
#$%& ( ) *+, -. /01234S6 789: ; <=>
?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\ 1‘– abcde fghi j k1mnow r
$%& ( ) *+, -./0 123456789: ; <=> ?@.4BCDEFGHI
JKLMNOPQRSTUvwXYZ[\ 1‘–’ abcde fgbi Jk1mnOpqrs
%&() *+,-. /0123456789:
; <=> ?@ABCDEFGHI JKLMNOPQRSTUVWXYZ[\ 1“– abcde fghi jk1rnnopqrst
&’
() *+,-./O123456789: ;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\l-–’abcdef8hi jklmnopqrstu
Figure 4-3. Shorfself-test.
Since the self-test prints across the full width of the carriage, itisrecom-
mended that the printer is loaded with the widest paper possible to avoid
damage to the print head and/or platen.
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