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4
Clean the whole circumference of the inner side of the trackball ring .
5
Remove the trackball and clean the surface .
6
If the inner roller is dirty, wipe it .
Roller
7
Reassemble in reverse order .
• After assembling the trackball, move the ball using your fingers to confirm that it moves smoothly and gener-
ates no abnormal noise .
• Start the system and confirm that the trackball functions properly.
z Cleaning the Pole Cart2, Power Extension Unit2, foot switch, barcode reader, Three-Port Probe
Unit, keyboard and VESA Attachment
• Wipe off stains using a soft cloth.
• If it is difficult to remove stains, wipe them off using a soft cloth moistened with mild detergent.
7 .2 Maintenance Check and Cleaning
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