Figure 11. Rubber Stop On Left Side - Gerber Technology GERBERplotter XLp Series Getting Started Manual

11. During shipping, the Front Cover can shift and sometimes
lose its alignment. If it is not lying flat, twist the Rubber Stops
located underneath the left and right of the Front Cover until it
rests evenly on both sides (Figure 12).
12. Remove the Screw next to the Inkjet Cartridge Holder (Figure
12).
Figure 12. Left side Rubber Stop and Screw
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Key to Figure
1. Rubber Stop
2. Screw
12