[lug] Serial printer connection questions

Mr Viggy LittleViggy at alum.manhattan.edu
Mon Sep 16 20:40:10 MDT 2002

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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