30 Dec
2012
30 Dec
'12
11:29 p.m.
True but the solvent on its own wouldn't do it.
Regards
?
Rod Smallwood
?
?
-----Original Message-----
From: cctech-bounces at classiccmp.org [mailto:cctech-bounces at classiccmp.org]
On Behalf Of Eric Smith
Sent: 30 December 2012 22:51
To: General Discussion: On-Topic and Off-Topic Posts
Subject: Re: Fans for a PDP-9?
Rod Smallwood wrote:
Well, when I worked at DEC in the terminals group in
fact they used WD40's
penetrating qualities to un-clog print heads before a quick wash in a
solvent.
The "quick wash in a solvent" is the key thing. WD-40 by itself will
leave a residue that gums up the printhead. A solvent is needed to
remove that residue.