Re: About the 1520 plotter

From: Daniele Gratteri (
Date: 2005-02-01 17:44:56

----- Original Message ----- 
From: "Raymond C. Bryan" <>
To: <>
Sent: Saturday, January 29, 2005 6:48 PM
Subject: Re: About the 1520 plotter

Thanks to all the people who replied.

> The pens are all out of ink.  The test draws 4 squares in a row on the 
> left edge one in each pen.
> --Ray

I really hope so. I actually bought the plotter, since the auction ended 
before I received your replies. Will check when I receive it.
However, I looked at the schematics and it seems there isn't much 
electronics inside, but there is that 6500 microcontroller! If it is gone 
bad, do you know if it would be possible to replace it with a 6502, an EPROM 
and maybe some glue logic?

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