Casio HR-150TM Two-Color Printing Calculator User Manual

1. Introduction

This manual provides comprehensive instructions for the operation and maintenance of your Casio HR-150TM Two-Color Printing Calculator. Designed for efficiency and ease of use, this calculator features a full decimal system and an extra-large 20 mm digit display for enhanced readability. It supports dual power options, making it suitable for both desktop and portable use.

Key Features:

• Full decimal system for precise calculations.
• Extra-large 20 mm digit size for clear display readability.
• Dual power capability (AC adapter and batteries) for versatile use.
• Two-color printing (black and red) for clear record-keeping.
• 2.4 lines per second print speed.

2. Safety Precautions

To ensure safe operation and prevent damage to your calculator, please observe the following precautions:

• Do not expose the calculator to direct sunlight, high humidity, or extreme temperatures.
• Avoid dropping the calculator or subjecting it to strong impacts.
• Do not attempt to disassemble or modify the calculator. Refer all servicing to qualified personnel.
• Use only the specified power adapter and batteries.
• Keep the calculator away from water and other liquids.
• When replacing batteries, ensure correct polarity (+/-).
• Dispose of used batteries according to local regulations.

3. Initial Setup

3.1 Power Supply

The Casio HR-150TM can be powered by either an AC adapter or batteries.

• AC Adapter: Connect the supplied AC adapter to the calculator's power input jack and then to a standard electrical outlet.
• Batteries: Open the battery compartment cover on the underside of the calculator. Insert four AA-size batteries, ensuring correct polarity. Close the cover securely.

3.2 Loading the Paper Roll

Follow these steps to load a new paper roll for the printing function:

1. Ensure the calculator is turned off.
2. Lift the paper roll arm located at the back of the calculator.
3. Place a new paper roll onto the paper roll holder, ensuring the paper feeds from the bottom.
4. Insert the leading edge of the paper into the paper feed slot until it emerges from the top.
5. Press the FEED button to advance the paper.
6. Lower the paper roll arm back into place.

Image: The Casio HR-150TM calculator shown with its included accessories, including the power adapter and a paper roll, illustrating components for initial setup.

4. Operating Instructions

4.1 Basic Calculations

Perform standard arithmetic operations using the numeric keypad and function keys:

• Enter numbers using the 0-9 keys.
• Use + (addition), - (subtraction), x (multiplication), and ÷ (division) for operations.
• Press = to display the result.
• The C key clears the current entry.
• The CA key clears all entries and calculations.

4.2 Tax Calculations

The calculator includes dedicated keys for tax calculations:

• TAX+: Adds tax to a value.
• TAX-: Subtracts tax from a value.
• To set the tax rate, refer to the detailed instructions in the full user manual (not provided here).

4.3 Printing Function

The Casio HR-150TM prints calculations in two colors for easy differentiation of positive and negative values.

• Ensure a paper roll is properly loaded (refer to Section 3.2).
• The calculator automatically prints operations as they are performed when the print switch is set to "ON PRINT".
• Positive numbers and results typically print in black, while negative numbers and subtractions may print in red.

Image: The Casio HR-150TM printing calculator in operation, showing a paper roll with printed calculations emerging from the top.

5. Maintenance

5.1 Cleaning

To maintain the appearance and functionality of your calculator:

• Wipe the exterior with a soft, dry cloth.
• For stubborn dirt, dampen the cloth slightly with water and a mild detergent, then wipe dry immediately.
• Do not use abrasive cleaners, solvents, or alcohol, as these can damage the surface.

5.2 Paper Roll Replacement

Replace the paper roll when it runs out or when print quality deteriorates. Refer to Section 3.2 for detailed instructions on loading a new paper roll.

5.3 Ink Roller Replacement

If the print becomes faint or illegible, the ink roller may need replacement. Consult the full product manual for specific instructions on replacing the ink roller.

6. Troubleshooting

If you encounter issues with your Casio HR-150TM, try the following solutions:

7. Product Specifications

8. Warranty and Support

For information regarding product warranty, technical support, or service, please contact Casio customer support or visit the official Casio website. Keep your purchase receipt as proof of purchase for warranty claims.

Casio Official Website: www.casio.com