Each scanner has two labels on the underside of the unit. The first label has the
model number, date of manufacture, and caution information. The second label
shows the serial number and the laser information. The following are examples of
Smudges and dirt on the window of a bar code scanner can interfere with proper
scanning. Therefore, the output window will need occasional cleaning.
1. Spray glass cleaner onto a lint-free, non-abrasive cleaning cloth.
2. Gently wipe the scanner window.