NCR 74 OFX (7874), User Manual

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4-16 Chapter 4: Operation
Cleaning Instructions
The RealScan 74 should be kept in good operating condition by performing the
following routine maintenance. Keeping the scan windows clean helps keep the read
rate exceptionally high. During normal operation of the RealScan 74, the Horizontal
Scan Window gets dirty. If dirt is permitted to accumulate, performance degrades to
the point where the scanner can no longer read bar codes. The Horizontal Scan
Window should be cleaned at least once a day.
Note:
Before cleaning the RealScan 74, ensure that the scanner is OFF.
Note: When cleaning the RealScan 74, do not spray or pour lukewarm water onto the
RealScan 74. Moisten a soft cloth with lukewarm water, and then wipe the
components.
Scanner Body
Clean the scanner body using the following.
•
Soft cloth dampened by lukewarm water and mild soap.
•
Soft, dry cloth to wipe the surface dry.
Clean the scanner body using the damp cloth first, followed by the dry cloth to finish.
Vertical Scan Window
Clean the Vertical Scan Window with a soft cloth damped with lukewarm water.
Top Plate and Horizontal Scan Window
1. Remove the Top Plate with the Horizontal Scan Window and clean the glass using
a soft cloth moistened with lukewarm water.
2. Clean the plastic cover that is under the Top Plate (and the window with it) by
wiping the surfaces with the moistened cloth.
Note:
Do not scrub the clear plastic cover excessively or use excessive force
during the cleaning process. Ensure to remove any debris that may be
accumulated on this plastic cover.
3. Replace the Top Plate.