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Cleaning
5/23/2012 GC420d™ User Guide P1052685-001
Sensor Cleaning
Dust can accumulate on the media sensors.
1. Gently brush away dust; if necessary, use a dry swab to brush away dust. If adhesives or
other contaminates remain, use an alcohol moistened swab to break it up.
2. Use a dry swab to remove any residue that may be left from the first cleaning.
3. Repeat steps 1 and 2 as required until all residue and streaks are removed from the sensor.
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Black-Line
Sensor
Gap
Sensor
Label Taken
Sensor