Gerber EDGE Owner's Manual page 39

Mechanical Description 33
The platen assembly
The platen assembly.
The platen assembly consists of the following parts:
The platen. The platen is the rubber roller that presses the material and foil
tightly between itself and the printhead.
The sprockets. The teeth in the drive sprockets use the holes in the material
to transport the material through the .
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The bail arm. The bail arm holds the material in contact with the drive
sprockets. The bail arm squeegees clean the area to be printed.
The out-of-vinyl sensors. The will not operate if vinyl is not loaded
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or if it runs out of vinyl during a job.