HP HP-21 - Page 60

58 Accessories. Service, and Maintenance
Malfunctions traced to the calculator, batteries, or battery
charger require that you return the following to us:
Calculator with all standard accessories.
Completed Service Card.
Send returned items safely packaged to the address shown on
the Service Card.
Under normal conditions, calculators will be repaired and re-
shipped within five (5) working days of receipt at any Hewlett-
Packard Service Facility listed on the Service Card.
Should other problems or questions arise regarding service,
please call your nearest Hewlett-Packard sales or service facility.