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Read_Me4
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1993-07-18
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Read_Me4 file for Hewlett-Packard printers.
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The HP.LaserJet-4 printer definition file is for use with HP LaserJet 4
series printers, including the HP LaserJet 4L, 4, 4M, 4Si and 4Si/MX. It is
the same as the HP.LasJet-III file with two exceptions. The obvious change
is that there is a 600 DPI graphics entry. This should only be used if the
printer itself supports 600 DPI graphics. The LaserJet 4L for example does
not support 600 DPI, whereas the LaserJet 4, 4M, 4Si and 4Si/MX do. The
other warning about 600 DPI is that it takes a lot longer to print than 300
DPI, since it requires 4 times as much memory to render the page in the
Archimedes (which in fact means it is done in 4 times as many strips). It is
recommended that the Archimedes have 4 megabytes of memory or more if 600
DPI printing is to be used. An ARM3 processor is also desirable.
The other change from the HP.LasJet-III file is that the printer's
LinePrinter font is used for Landscape text printing. This is because the
Courier font size used by LaserJet 4 series printers for Landscape text
printing is too large. Hence the right hand text column comes out too far to
the right with the result that some characters are lost off the edge of the
page. LinePrinter font on the other hand is slightly too narrow, but at
least all of the text fits on the paper. Other LaserJet compatible printers
switch to LinePrinter font automatically in this situation (eg. the HP
LaserJet II) but for some reason the LaserJet 4 series printers don't. This
problem may be found on other LaserJet compatible printers. If so you should
use the LaserJet-4 file and avoid selecting 600 DPI graphics (or use
!PrintEdit to delete it).
The HP.LasJet4-PS printer definition file is for use with HP LaserJet 4
series printers in PostScript mode, including the HP LaserJet 4M, 4Si/MX and
the HP LaserJet 4 and 4Si with PostScript upgrades fitted. The only
difference from the Generic.PostScript file (and all the other HP PostScript
files) is that the printer is specified as being a 600 DPI printer. This
does not however cause the printer to switch to 600 DPI PostScript
automatically (unlike in LaserJet mode) hence 600 DPI should be selected on
the printer's control panel. In practice it's not that important, since the
PostScript printer drivers do not take much notice of the resolution.
PostScript printing at 600 DPI requires a lot of memory in the printer for
holding the image of the page. It is recommended that the printer have at
least 6 megabytes of memory if 600 DPI PostScript is to be used.