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To clean grit wheels
1
Pull back the pinch wheel lever.
2
Remove the pin that secures the left pinch wheel assembly (when
viewed from the rear of the plotter.
3
Move all three pinch wheels away from the grit wheels.
4
Brush each grit wheel at 45° angles to the carriage axis.
5
With power off, turn the grit wheels manually.
6
Continue brushing each grit wheel for at least one full rotation.
7
Center the pinch wheels over the grit wheels.
8
Reinstall the pin to secure the right pinch wheel unit.
Brushing angles
(grit pattern enlarged to show detail)
Pinch wheel Pin securing pinch
assembly wheel assembly