Path: utzoo!attcan!uunet!husc6!bloom-beacon!apple!voder!kontron!optilink!cramer From: cramer@optilink.UUCP (Clayton Cramer) Newsgroups: comp.sys.ibm.pc Subject: Re: Flow control between IBM PC and printer Message-ID: <451@optilink.UUCP> Date: 13 Sep 88 16:50:00 GMT References: <14151@agate.BERKELEY.EDU> Organization: Optilink Corporation, Petaluma, CA Lines: 20 In article <14151@agate.BERKELEY.EDU>, gts@violet.berkeley.edu (Greg Small) writes: > Look in the back of the LaserWriter NT manual under printing on MS-DOS. It gives > the PostScript program to be sent to the LW that sets DTR/DSR flow control. > What they do not mention is that the file must be terminated with Ctrl-D. > Just copy the file to the LW serial port. > > statusdict begin 25 sccbatch exch pop > 4 eq {stop} if > serverdict begin 0 exitserver > statusdict begin 25 9600 4 setsccbatch > Ctrl-D > > This also should work for an old LaswerWriter Plus but not the plain LW. Not quite. Early Apple LasrWriters had a release of PostScript (V17.0, if my memory serves me right) that didn't have provision for supporting DTR protocol. At some point, LaserWriters started coming with the newer version (V23.0?) that did support DTR as well. Clayton E. Cramer