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Chapter 6: Operation 6-11
Routine Maintenance
Routine maintenance is needed at least once a day to keep the NCR
7870 in good operating condition. These parts of the 7870 can be
cleaned with a soft cloth, lukewarm water, and mild soap:
•
Scanner body
•
Top Plate and Scan Window
•
Exterior surface of Subplate Assembly
•
Optics Assembly Window
•
Horizontal Scan Window
•
Tower Cabinet
If a scan window becomes excessively scratched, replace it. If the unit
becomes wet due to a spill, clean and dry as soon as possible.
Instructions
Clean the Top Plate and Scan Windows with a soft cloth and a non-
abrasive liquid window cleanser as follows.
1.
Power unit down.
2.
Remove Top Plate. Clean Top Plate and the inset Scan Window.
3.
Clean window inset in Optics Assembly.
Note:
Do not spray the cleanser directly on plastic cover or scale
mechanism holes.
4.
Clean vertical Scan Window in Tower Cabinet.
5.
Wipe surfaces with a soft, dry cloth.
6.
Replace Top Plate.
7.
Restore power to the NCR 7870.