Date   : Fri, 20 Dec 1985 12:30:57 PST (Friday)
From   : Burton.osbunorth@XEROX.ARPA
Subject: Re: help??

Herb,

A friend having the same configuration (Compupro, Controller 1, etc.)
had the same problem.  We finally solved it using a head cleaner.  

Moral: Try the simple things first.  Check the power supply, the
cabling, and the heads.  And the baud rate.  

Phil Burton