
1. OPERATIONS AND MAINTENANCE
Printer Switch – This switch is located on upper portion of the keyboard. Slide the switch depend on your application.
OFF | - Power OFF the Calculator.  | |
NP  | -  | |
P  | -  | Print mode, if you wish to have the printer to be operational.  | 
CAUTIONS
-The calculator must not be covered when turned on. This will cause the unit to overheat.
-Do not use organic solutions such as alcohol to clean the housing.
-Do not use or leave the calculator in direct sun light. Areas subject to quick temperature changes, high humidity and dirt should be avoided.
2. REPLACING INK CARTRIDGE
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