HP 7475A Plotter: Geneva Wheel Repair & Schematics Printing

My HP 7475A broke shortly after the previous demo video! Not to worry, it's back in action, plotting furiously again. Here is a quick video of the repair. I also demonstrate plotting schematics and PCBs from KiCAD and Inkscape.

STL file of the Geneva wheel for 3D printing:
https://drive.google.com/file/d/1VKcWApQajOygzaFmiOxXkmiYkZENntgV/view?usp=sharing

More info about the HP 7475 on my website:
https://www.curiousmarc.com/computing/hp-7475a-plotter

Music Credits:
The jazz piece with the impressive pianist Samuel Ascher-Weiss performance is Chrono Trigger "Chrono Moonstone" by LSD. Available on OCR remix:
https://ocremix.org/remix/OCR01797

Our sponsor for PCBs: https://www.pcbway.com
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Видео HP 7475A Plotter: Geneva Wheel Repair & Schematics Printing канала CuriousMarc