
Appendix B — Troubleshooting the CN2B Computer
226 CN2B Mobile Computer User’s Manual
Cleaning the Scanner Window and the Touch Screen
To keep the computer in good working order, you may need to clean the
scanner window and touch screen with a solution of ammonia and water.
You can clean the scanner window and the touch screen as often as needed
for the environment in which you are using the computer. You can help
keep the touch screen clean by using the stylus, instead of your fingertip, to
tap the screen.
There are no user-serviceable parts inside the CN2B Computer. Open-
ing the unit voids the warranty and may cause damage to the internal
components.
To clean the scanner window and touch screen
1 Press and hold the Power key for 2 to 3 seconds, and then release it to
turn off the CN2B Computer.
2 Dip a clean towel or rag in the ammonia solution and wring out the
excess. Wipe off the scanner window and touch screen. Do not allow any
abrasive material to touch these surfaces.
3 Wipe dry.
To clean the scanner window
• You can use the Screen Cleaner Kit (P/N: 346-065-101) to clean the
scanner window.
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