THINKBLT(9.1) THINKBLT(9.1)
NAME
thinkblt, think - print on thinkjet
SYNOPSIS
thinkblt [ stream ]
think [ -o stream ] [ file ... ]
nroff -Tthink ... | think [ -o stream ]
DESCRIPTION
Thinkblt downloads an interrupt driver for the HP ThinkJet
printer, provides a menu of operations for printing various
data residing in the terminal, and sets up a stream by
default) on which think can print data from the host. It is
intended to be down-loaded once per terminal session. Most
of the menu items are identical to those of blitblt(9.1).
The remaining ones are:
print bitmap Print whatever bitmap is currently
selected, in analogy to blitblt(9.1). The
widest printable bitmap is 640 pixels
across.
print mux buffer Print the mux `snarf' buffer.
reset printer Sends ESC-E.
While the printer is operating, a different menu allows one
to abort or pause the print operation. The printer has a
fairly large internal buffer, so response may be slow.
Files on the host may be printed by giving them as arguments
or standard input to think. When used with nroff, names like
\('e may be used to access the special characters provided
by the hardware; the nroff terminal driving file has a com-
plete list; see troff(1). Both nroff and pr(1) will paginate
properly if top-of-form is set so that the paper tear is
aligned flush with the top of the metal clip which holds the
absorber.
FILES
nroff descriptor file
SEE ALSO
troff(1), pr(1), blitblt(9.1)
BUGS
The 5620 ROM program is unable to cope with interrupts from
the printer; it is therefore necessary to download mux(9.1)
THINKBLT(9.1) THINKBLT(9.1)
before turning on the printer.
Thinkblt substitutes its own interrupt routine for the
(trivial) one provided by mux(9.1). The latter is restored
upon exit, but havoc may result if the thinkblt layer is
simply deleted.
The special nroff character names are not currently sup-
ported by any other device.