Chapter 4 — Troubleshooting and Maintaining the CK3
80 CK3 Mobile Computer User’s Manual
Cleaning the Scanner Window and Screen
To keep the CK3 in good working order, you may need to perform
these minor maintenance tasks:
• Clean the scanner window.
• Clean the CK3 screen.
Clean the scanner window and CK3 screen as often as needed for the
environment in which you are using the computer. To clean the CK3,
use a solution of ammonia and water.
To clean the scanner window and computer screen
1 Press to turn off the CK3.
2 Dip a clean towel or rag in the ammonia solution and wring out
the excess. Wipe off the scanner window and screen. Do not allow
any abrasive material to touch these surfaces.
3 Wipe dry.
There are no user-serviceable parts inside the CK3. Opening the
unit will void the warranty and may cause damage to the internal
components.
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