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0.3
Options 3, 4, 5, 6, 7 - Print Buffer
Options 3, 4, 5, 6 and 7 work together to tell your printer
the number of input data bytes that it can hold at one time
before it must stop receiving data. This is called specify-
ing the size of the "print buffer". There are a variety of
selections for these option in order to meet most applica-
tion requirements. Generally, the larger the print buffer is,
the faster your data is printed and the sooner your com-
puter is free to do other things. The range is from 132
bytes to 432K (432 times 1024) bytes in size.
NOTE:
The print buffer shares its memory area with
download fonts and overlays, and the size of the print
buffer will affect the amount of bytes that are available
for downloading fonts and overlays. If, after using these
options to increase the size of the print buffer, you receive
a Diagnostic Page with the code 15 printed under "Status
Messages," it will mean that the increase in buffer size
threatens to destroy some portion of memory already used
by a download font or overlay. At this point you will have
four choices:
1. Do not increase the size of the print buffer.
2. Check the latest status summary sheet and use the in-
formation on the number of bytes available for down-
load to determine how much larger to make the print
buffer.
3. Use a software command to selectively delete down-
load fonts or overlays from the download area of
memory.
4. Power-off/power-on the printer to clear the download
area and then use options 3 through 7 to enlarge the
print buffer.
Printer Setup
3-51
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