I have 2 parallel printers, which are now working on DOS. Changed the 2nd port from ECP to SPP. The laserjet , 2nd printer, prints a little odd. Will need some PCL6 commands inserted to get it looking better, that shouldn't be a problem.
cheers DS On Tue, 17 Nov 2020 17:21:21 -0500 dmccunney <dennis.mccun...@gmail.com> writes: > On Tue, Nov 17, 2020 at 10:15 AM Dale E Sterner <sunbeam...@juno.com> > wrote: > > > > I think you're an expert on DOS. > > Can you tell me if there is a way to get DOS to detect 2 > > printers on 2 different ports? > > It can only see 1 printer, the second is ignored. > > As already asked, how are the printers connected, and what are you > trying to print *from?* > > IIRC, what DOS itself sees is *ports*. What is connected to the > ports > is the business of what will be using the connected device. > > I'd guess you have one printer on a Centronics parallel port, and > another connected to a serial port. Hooking up to a Centronics > port > was the default assumption in DOS days, and stuff trying to print > would send data to that port. Depending on what you are trying to > send stuff to print, you may need to either go into program > configuration to tell is there *is* a printer on a specified serial > port, or you may simple not be able to use a second printer. > > If the second printer is connected to a serial port try, > > ECHO "Some line of text" >COMx > > where x is the number of the com port and see whether anything > prints. > It will at least tell you whether data can be sent to that port to > that device. > > (Stuff like this is why folks migrated from DOS to other OSes.) > _______ > Dennis > > > > DS > > > > > > > > > > > > > > ******************************************************>>>> > > From Dale Sterner - MS organic chemistry > > http://pubs.acs.org/doi/abs/10.1021/jo00975a052 > > *******************************************************>>>> > > > > ____________________________________________________________ > > Sponsored by > https://www.newser.com/?utm_source=part&utm_medium=uol&utm_campaign=rss_t aglines_more > > > > Mississippi Health Official Has a Stark Holiday Warning > > > http://thirdpartyoffers.juno.com/TGL3141/5fb3e860a3ef468600e4ast03duc1 > > Rubio Uses a Term Sure to Displease Trump > > > http://thirdpartyoffers.juno.com/TGL3141/5fb3e860cafb768600e4ast03duc2 > > It's a Very Good Day for Elon Musk > > > http://thirdpartyoffers.juno.com/TGL3141/5fb3e860ec5fb68600e4ast03duc3 > > > > > > _______________________________________________ > > Freedos-user mailing list > > Freedos-user@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/freedos-user > > > > -- > _______ > Dennis > > > _______________________________________________ > Freedos-user mailing list > Freedos-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/freedos-user > ******************************************************>>>> >From Dale Sterner - MS organic chemistry http://pubs.acs.org/doi/abs/10.1021/jo00975a052 *******************************************************>>>> ____________________________________________________________ Sponsored by https://www.newser.com/?utm_source=part&utm_medium=uol&utm_campaign=rss_taglines_more CDC's Thanksgiving Travel Advice Is Pretty Simple http://thirdpartyoffers.juno.com/TGL3141/5fb6be69f8cb3e685318st01duc1 Official Who Wants to Rescind Certification Got Trump Call http://thirdpartyoffers.juno.com/TGL3141/5fb6be6934e403e685318st01duc2 A Big US First in Israel, and a 'Major Policy Shift' http://thirdpartyoffers.juno.com/TGL3141/5fb6be6959b8b3e685318st01duc3 _______________________________________________ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user
