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Hints: The hex dump
l To make your Star LaserPrinter 8111 print in hexadecimal rather than the
usual ASCII symbols, press the front panel buttons that put the printer
offline and in PROGRAM mode. Move to the COMMAND parameter’s
HEX DUMP setting and select ON.
l Some control or Escape codes can be problems on a few computers; those
computers change certain codes when sending them to the printer. If you
think you have this problem you need to see exactly what your printer is
receiving. We recommend you run a short program that loops through and
prints the ASCII table. Print in hexadecimal rather than the usual
ASCII symbols.
l If you spot a problem code you can try to bypass the problem, either by
sending each code directly to the printer, or by changing your system’s
printer driver. Such computer-specific solutions, though, are beyond the
scope of this manual. We suggest that if necessary you consult another
programmer more familiar with your computer.
l Actually, if you are debugging any program you may find this hex-dump
mode helpful. It can be a great trouble-shooter.
CONTROLLING THE PAGE
In this section we look at two controls you have over how the Star
LaserPrinter 8111 handles and formats its pages: You can set values for the
PAPER PEED and LAYOUT parameters on the front panel. At the end of
this section we’ll also preview different ways to move the print position.
The PAPER FEED parameter
The PAPER PEED parameter lets you specify both what kind of paper you
want and how the printer is to handle automatic print-position movements
(carriage returns and so on).
One convenient thing about a laser printer is that it doesn’t need continuous
form, sometimes called fanfold paper. Other printers feed in a stack of
forms- with pages all joined by perforations- by having sprockets engage
and pull alongpinfeed holes punched along each side of the paper. After it’s
printed you have to tear off the pinfeed-hole strips and then separate the
pages.
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