GRAPHTEC F-Mark 2 Setup & User's Manual page 18

Side view
Suction Cups
 Suction Cups
 Vacuum Adjusting Kob : Adjust the vacuum force to pick up media.
Vacuum Adjusting Knob
: Pick up media by Suction Cups when inserting the media to the cutting
plotter.
When turning the knob clockwise, the vacuum force increasing.
When turning the knob counterclockwise, the vacuum force decreasing.
Adjust the vacuum force depending on the media to be used.
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