How to refurbish plotter pens?

[Jon Elson]

On 01/28/2017 08:51 AM, Mattis Lind wrote:
> I am about to get our IBM1627 (rebranded Calcomp 565) going but the pens in
> the case is quite dry. What is the best method to refurbish those? What is
> the best solvent to get the old ink out? What ink to refill with?
>
> https://drive.google.com/open?id=0B-rp4vyPPYu1ZjVRbnlyczV4czQ
>
Oh, you use India Ink for black.  You should be able to also 
get colored ink.  There used to be many sellers (Pelikan, 
Rapidograph, Rotring, Kohinoor etc.) of these.  In the US, 
Blick art supply may be about the last place to carry such 
things.

Jon