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Old 9th Dec 2017, 12:39 pm   #2
G6fylneil
Pentode
 
Join Date: Sep 2011
Location: Coventry, West Midlands, UK.
Posts: 211
Default Re: Gould 1604 plotter

Open the lid where the paper goes.
Press the "pen change" button. (the pen carrier should move to the right).
Pull the lever marked "eject" (this should flip up the end of the the topmost pen).
Fit a new pen.
Repeatedly pressing the "pen change" button will index the carrier so you can change all four pens.
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