Suggestion: drop them in an ultrasonic cleaner with solvent...
________________________________ From: cctech <cctech-boun...@classiccmp.org> on behalf of David Gesswein <d...@pdp8online.com> Sent: Saturday, January 28, 2017 10:34 AM To: cct...@classiccmp.org Subject: Re: How to refurbish plotter pens? On Sat, Jan 28, 2017 at 03:51:49PM +0100, 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 > That looks like the unpressurized ballpoint. I never tried to refill mine. Another option is making replacements. I found current ballpoint refills and cut them down. I used a dremmel with cutoff disk. Watch for splatters. I then stuck something in to remove 1/4" or so of the ink from the end. Otherwise it will come out in the pen holder and make a mess. The problem now is almost all refills use a larger diameter tip. I had to look around some before I found the proper size. I did grind one larger diameter one down by chucking it in a drill and grinding with the dremel.
