ORIGINAL POST:
[In "printcap entry for HP 7550A Graphics Plotter", on 22 Feb at 11:38,
Rex Espiritu writes:]
>
> We're attempting to set up a HP Plotter (7550A) for printing graphics from a
> SPARCstation running SunOS 4.1.1 and would appreciate any assistance/info.
>
> If you've done this before and have the appropriate printcap entry we need,
> we'd appreciate your sending it to me/us via e-mail to: sunmgrs@cgi.com
>
> Thanks in advance,
> Rex
> espiritu@cgi.com
>
SUMMARY REPLY:
Among the 11 replies we received, we used the one sent by Gerard
Barrett listed below. Most of our problem(s) involved the cable. Pin 2 (Tx)
had to be swapped with pin 3 (Rx) on the plotter and pin 4 (CTS) was looped
back to pin 5 (RTS) on the plotter.
Roy Hallquist actually had a very good comprehensive listing of
various printcap entries and associated pinouts which helped.
[In "Re: printcap entry for HP 7550A Graphics Plotter", on 24 Feb at 14:13,
Gerard Barrett writes:]
>
> plotter|hp7550a|7550a|5|Local A/B size HP pen plotter:\
> lp=/dev/ttyb:\
> sh:sf:\
> mx#0:\
> br#9600:\
> ms=ixon,ixoff,ixany,-opost:\
> sd=/usr/spool/plotter:\
> lf=/usr/spool/plotter/lp-log:
[In "Re: printcap entry for HP 7550A Graphics Plotter", on 23 Feb at 11:26,
Roy S. Hallquist, Jr. writes:]
>
...
>
> HP 7550A pen plotter
>
> I'll start with the HP 7550A pen plotter. Now keep in mind that these
> are suggested workarounds and are not guaranteed, so don't hold me liable
> if they do not work. I'm merely relaying information from my customers.
> Anyways, the printcap, cabling, and plotter settings that are needed for
> this plotter to work on the serial port are the following:
>
...
> cabling
> -------
> a null modem cable or something with pinouts such as:
>
> 386i plotter
> 2-------------3
> 3-------------2
> 7-------------7
> 4---
> |
> 5---
> 6---
> |
> 8---
> |
> 20---
>
> Plotter
> -------
> set to 8 bits, no parity, xon/xoff, 9600, standalone, remote
>
> Now we aren't finished yet. In some instances this may be all you need, but
> the majority of the time you will still need to type the following command to get the plot to complete:
> cat /dev/ttya > /dev/null &
> This will be running in the backgroheck ht
>
> power cycle your plotter this process will die and you must retype it in a
> commands window. This line can also be started from rc.local at boot up
> time.
>
> HP 7750A
> Note that the HP 7750A can be programmed to use XON/XOFF by sending the
> sequence "\033.P1:" or by front panel selections.
>
> #
> # HP pen plotter, connected locally, running at 9600 baud
> #
> hp|hpplotter|hp7550A|Hewlett-Packard pen plotter in 1E404:\
> :lp=/dev/tty02:sd=/usr/spool/hp:\
> :lf=/usr/spool/hp/log:af=/usr/spool/hp/acct:\
> :br#9600:fc#0377:fs#0221:mx#0:\
> :rw:sh:sb:fo:\
> :ff=\033.J\033.P1\:\033.T\:\nPG;\n:\
> :of=/usr/local/lib/vp/hpfilter:
> #
>
> Note that the HP 7750A can be programmed to use XON/XOFF by sending the
> sequence "\033.P1:" or by front panel selections.
>
CREDITS:
Thanks for everyone's help/replies.
James Tulip <jtulip@pandora.mit.csu.edu.au>
Russell Ruby <russ@math.orst.edu>
pliuskon@spliuskon.intellistor.com (Saul Pliuskonis)
Paul Humphreys <paul@hydres.uucp> <paul%hydres.uucp@uknet.ac.uk>
hs@demeter.ukps.gwdg.de (Howard Schultens)
rbebb@ccf.pppl.gov (Russ Bebb)
moorec@nms.otca.oz.au (Craig Moore)
Leonard E. Sitongia <sitongia@ncar.ucar.edu>
sitongia@ozzel.hao.ucar.edu (HAO Computer System Managment Group)
Roy S. Hallquist, Jr. <rhallqui@rigel.uark.edu>
ger barrett <Ger.Barrett@analog.com>
satmb@gauss.med.harvard.edu (Timothy Baum)
-- M. Rex Espiritu, Jr. Carnegie Group, Inc. espiritu@cgi.com 5 PPG Place Voice: 412 642-6900 x233 FAX: -6906 Pittsburgh, PA 15222Status: RO
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