Can the Casio HR-300RC calculator be put on silent mode?
Yes, the Casio HR-300RC can be used without the printing sound by turning off the printer function. To do this, locate the selector switch…
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Casio HR-300RC Printing Calculator User’s Guide — questions & answers
Read product questions and troubleshooting answers linked to Casio HR-300RC Printing Calculator User’s Guide.
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How do I replace the ink ribbon on the Casio HR-300RC Printing Calculator?
To replace the ink ribbon on the Casio HR-300RC Printing Calculator, please follow these steps: 1. Make sure the calculator is turned off and…