CASIO DR 120R WE DESKTOP PRINTER CALCULATOR

1. **Power On/Off**: Locate the power button on the calculator and press it to turn on the device. Similarly, press the power button again to switch off the calculator when you’re finished using it.

2. **Enter Numbers and Perform Calculations**: Utilize the keypad to input numbers and perform various mathematical calculations. The calculator supports basic arithmetic operations such as addition (+), subtraction (-), multiplication (×), and division (÷). Enter the numbers followed by the desired operation, then press the “=” button to display the result.

3. **Paper Roll Installation**: Open the paper compartment on the calculator and insert a roll of paper. Ensure that the paper roll is properly aligned and positioned for smooth operation. Close the paper compartment securely once the paper is loaded.

4. **Printing Functions**: Use the printing function to print out calculation results. Press the “PRINT” button after performing a calculation to print the result on the paper roll. The calculator may also have additional printing options such as date/time printing and decimal point settings, which can be adjusted according to your preferences.

5. **Maintenance**: Regularly check the paper roll to ensure that it is not running low. Replace the paper roll when necessary to avoid interruptions during calculations. Additionally, clean the calculator and keypad as needed to keep it free from dust and debris, ensuring optimal performance.

By following these steps, you can effectively use the Casio DR-120R WE Desktop Printer Calculator for various mathematical calculations and printing tasks.