[lug] Serial printer connection questions
chip at rmpg.org
Mon Sep 16 20:43:08 MDT 2002
Yep. It's an old printer, NEC Silentwriter2-90. It worked really well on
the old dead mac.
On Mon, 16 Sep 2002, Mr Viggy wrote:
> It sounds to me like that is exactly Chip's problem, the data is going
> in too fast!
> The only experience I've ever had with a serial printer was an old HP
> Thinkjet on Windows 3.1. It just "worked", i.e., other than setting up
> the baud rate etc, it worked fine.
> Ed Hill wrote:
> > On Mon, 2002-09-16 at 19:19, Chip Atkinson wrote:
> >>Does anyone have any experience with setting up serial printers? I have a
> >>postscript printer that seems to get overrun with data when using the
> >>parallel interface so I thought I'd try the rs-232 interface instead.
> > Hi Chip,
> > I can't imagine that an RS-232 serial interface will be any faster than
> > the parallel port. According to http://www.usb.org/faq/ans2.html, the
> > approximate max speeds are:
> > serial port: 115kbits/s (.115Mbits/s)
> > standard parallel port: 115kBYTES/s (.115MBYTES/s)
> > Original USB: 12Mbits/s (1.5MBYTES/s)
> > so the parallel port should be about 8X faster than RS-232 and USB
> > should be about 10X faster than parallel. Could you switch to USB?
> > hth,
> > Ed
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