NCR Customer Display NCR 5972 - Manual (Page 90)

5-6 Chapter 5: Service
6. Replace the cover and secure it with cabinet screws (2).
7. Reassemble the faulty board and mail it to NCR Customer Services
for repair.
Note: If you are replacing a non‐serialized unit, you may remove all
screws (4) or disassemble the display in whatever method is easiest for
you.
Cleaning the Display
Remove power from the unit before cleaning.
When cleaning is required, a soft cloth dipped in a mild detergent can
be used to clean the cabinet. Only a damp cloth is required so that no
moisture can enter the cabinet. Never spray the cleaner directly onto
the unit. Care should be taken not to scratch the lens during cleaning.
Note: No preventive maintenance is required to meet the Service Calls
per Machine per Year requirement.