It takes another long video full of analog goodness to repair this X-Y recorder beauty, because we end up fixing it twice! We also rejuvenate the pens while we are at it, also using two different methods. HP 7044B and 7045B Service Manual: https://archive.org/details/hp-7044-b-7045-b-x-y-recorder-operations-and-service-manual-07044-90006-nov.-1980 Stuff that supports the channel: – …
From: Retro Roundup