PSC PowerScan RF - Manual (Page 31)

User’s Guide
23
Maintenance
The scan window will require occasional cleaning to remove smudges,
dust and other debris. To ensure optimal performance, clean the Scan
Window using a soft cloth or lens tissue dampened with isopropyl
alcohol (or equivalent). See Figure 12. The scanner body can also be
cleaned using this method.
Figure 12. Cleaning the Scan Window