Adjusting The Blade Length - GRAPHTEC FC7000 Series User Manual

2.4 Adjusting the Blade Length

WARNING: To avoid bodily injury, handle cutter blades with care. Make sure to
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correctly adjust the blade length. If the blade length is too long for the
thickness of the media being used, you may cut through the cutting mat
and damage your plotter.
Adjust the blade length by turning the blade-length adjustment knob. Turn the
knob in direction "A" to extend the blade, or in direction "B" to retract the
blade. When the knob is turned by one scale unit, the blade moves approxi-
mately 0.1 mm. One full turn of the knob moves the blade approximately 0.5
mm.
The blade moves approximately
0.1 mm per scale unit
First align the blade tip with the tip of the cutter pen, and then extend the blade
from that position to suit the thickness of the media to be cut.
Assuming that the medium thickness is "t," as shown in the figure below, the
blade length "l" should be equal to or slightly greater than "t." Make sure that
"l" is never greater than the combined thickness of the medium and its backing
sheet. If it is not possible to accurately determine the medium thickness, adjust
the blade length by gradually increasing it until only traces of the blade appear
on the backing sheet after a cutting test is conducted.
Backing sheet
Cu t te r B l a d e s an d C u t t e r P en s: A d j u s t i n g t h e B l a d e L e n g t h
B A
Medium
l
2 - 5
t