Calcomp 1039 plotter docs?

Jon Elson elson at
Mon Sep 21 10:47:27 CDT 2015

On 09/21/2015 01:45 AM, Erik Baigar wrote:
> Hi All,
> the 1039 is an interesting plotter I have got a 1038/1039 as well: There are two
> big
> PCBs inside - one is for the low level functions (essentally driving the servos
> and
> drawing lines using TTL implemented Bresenham) the second one contains the
> computer (68xx based) which is handling the communication.
Hmm, that sounds like my 1076C.  One board had a 68000 that 
ran the plotter servos, the other was the "plot manager" 
that had a big RAM buffer and sorted the plot vectors for 
optimum speed.  I think it mostly communicated with the host 
computer and plotter main board by serial.  Both boards had 
68K processors.


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