184
MATRIX 320
CHAPTER 9
MAINTENANCE
CLEANING
Clean the lens cover periodically for continued correct operation of the reader. See Gen-
eral View.
Dust, dirt, etc. on the lens cover may alter the reading performance.
Repeat the operation frequently in particularly dirty environments.
Use soft material and alcohol to clean the lens cover and avoid any abrasive substances.
In particular, wipe it clean using a soft cloth and isopropyl alcohol.
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