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14
Maintenance
Repairs
Repairs and/or upgrades are not to be performed on this product. These ser-
vices are to be performed only by an authorized service center. See
"Customer Support" on page 15-1 for further information.
Maintenance
The NCR RealScan 7837 High-Performance Scanner provides reliable and effi-
cient operation with a minimum of care. Although specific maintenance is not
required, the following periodic checks ensure dependable scanner operation:
Cleaning the Scanner’s Window
Reading performance may degrade if the scanner’s window is not clean. If the
window is visibly dirty, or if the scanner isn’t operating well, clean the window
with a soft cloth or facial tissue dampened with water (or a mild detergent- water
solution). If a detergent solution is used, rinse with a clean tissue dampened
with water only.
The scanner’s housing may also be cleaned the same way.
Inspecting Cords and Connectors
Inspect the scanner’s interface cable and connector for wear or other signs of
damage. A badly worn cable or damaged connector may interfere with scanner
operation. Contact your NCR distributor for information about cable replace-
ment. Cable replacement instructions are on page 14-2.
!
Caution:
Do not submerge the scanner in water. The scanner’s housing is not
water-tight.
Do not use abrasive wipers or tissues on the scanner’s window -
abrasive wipers may scratch the window.
Never use solvents (alcohol or acetone) on the housing or
window - solvents may damage the finish or the window.
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