Casio HR-170RC Plus Mini-Desktop Printing Calculator User Manual

1. Setup

Before using your Casio HR-170RC Plus calculator, follow these steps to prepare it for operation.

1.1 Unpacking and Power Supply

Carefully remove the calculator from its packaging. Ensure all components are present. The calculator operates using an AC adapter (not specified if included, assume standard power). Connect the AC adapter to the calculator's power input and then to a standard electrical outlet.

Image 1: Casio HR-170RC Plus Mini-Desktop Printing Calculator. This image displays the calculator's main unit, showing the keypad, display, and paper roll compartment.

1.2 Paper Roll Installation

1. Open the paper roll compartment cover.
2. Place a new paper roll into the compartment, ensuring the paper feeds from the bottom.
3. Feed the leading edge of the paper through the printer slot until it emerges above the printer mechanism.
4. Close the paper roll compartment cover.

1.3 Ink Roller/Ribbon Installation

1. Locate the ink roller/ribbon compartment, typically near the printer mechanism.
2. Remove the old ink roller/ribbon if present.
3. Install the new ink roller/ribbon, ensuring it is correctly seated and aligned with the printer head. Refer to the markings on the ink roller/ribbon for proper orientation.
4. Close the compartment cover.

1.4 Initial Settings (Clock & Calendar)

To set the date and time for the Clock & Calendar function:

1. Press the TIME key. The display will show the current time or a default setting.
2. Use the number keys to enter the correct time (e.g., HHMM for 24-hour format).
3. Press the DATE key. The display will show the current date or a default setting.
4. Use the number keys to enter the correct date (e.g., MMDDYY).
5. Press the # key or TOTAL key to confirm the settings.

2. Operating Instructions

This section details the various functions and operations of your Casio HR-170RC Plus calculator.

2.1 Basic Calculations

Perform standard arithmetic operations:

• Addition: Enter first number, press +, enter second number, press =.
• Subtraction: Enter first number, press -, enter second number, press =.
• Multiplication: Enter first number, press x, enter second number, press =.
• Division: Enter first number, press ÷, enter second number, press =.
• Clear Entry: Press CE to clear the last entered number.
• All Clear: Press AC to clear all calculations and reset the calculator.

2.2 Check & Correct Function

This function allows you to review and correct previous entries in a calculation sequence.

1. After performing a series of calculations, press the CHECK key. The display will show the first entry.
2. Use the ▲ (up) and ▼ (down) arrow keys to scroll through the entries.
3. To correct an entry, navigate to it, enter the new number, and press the CORRECT key. The calculation will be automatically re-evaluated.

2.3 After-Print Function

This feature allows you to print the calculation history after corrections have been made using the Check & Correct function.

• After using the Check & Correct function and making any necessary changes, press the AFTER PRINT key. The calculator will print the corrected calculation sequence.

2.4 Re-Print Function

To print duplicates of a previous calculation history:

• After a calculation has been performed and printed, press the REPRINT key. The calculator will print the exact same calculation history again.

2.5 Clock & Calendar Function

To print the current time and date:

• Ensure the time and date are set as described in Section 1.4.
• Press the TIME key to display the time, then press the PRINT key to print it.
• Press the DATE key to display the date, then press the PRINT key to print it.

2.6 Cost/Sell/Margin Function

This function simplifies profit calculations by allowing you to input any two values (Cost, Selling Price, or Margin) to automatically calculate the third.

1. Enter the known COST value, then press the COST key.
2. Enter the known SELL value, then press the SELL key.
3. Enter the known MARGIN percentage, then press the MARGIN key.
4. After entering two of the three values, the third value will be automatically calculated and displayed. For example, enter Cost and Sell, then press Margin to find the margin percentage.

3. Maintenance

Proper maintenance ensures the longevity and reliable operation of your calculator.

3.1 Cleaning

• Wipe the calculator's exterior with a soft, dry cloth.
• For stubborn dirt, slightly dampen the cloth with water or a mild, non-abrasive cleaner. Do not use strong solvents or abrasive materials.
• Avoid getting liquids inside the calculator, especially near the display or keypad.

3.2 Consumable Replacement

Regularly check and replace the paper roll and ink roller/ribbon as needed.

• Paper Roll: Replace when the paper supply is low or runs out. Follow the steps in Section 1.2.
• Ink Roller/Ribbon: Replace when printouts become faint or illegible. Follow the steps in Section 1.3.

4. Troubleshooting

If you encounter issues with your calculator, refer to the following common problems and solutions.

• Calculator does not power on:
  • Ensure the AC adapter is securely connected to both the calculator and a working electrical outlet.
  • Check if the power outlet is functional.
• Printer is not printing or printouts are faint:
  • Check if the paper roll is installed correctly and has sufficient paper.
  • Verify that the ink roller/ribbon is correctly installed and not depleted. Replace if necessary.
  • Ensure the print mode is enabled (if applicable, check for a print/non-print switch).
• Incorrect calculations:
  • Press the AC key to clear all previous calculations and start fresh.
  • Review your input using the Check & Correct function (Section 2.2).
  • Ensure you are using the correct operational mode for your calculations (e.g., decimal settings).
• Display shows an error message:
  • Press AC to clear the error.
  • If the error persists, disconnect the power, wait a few moments, and then reconnect.

5. Specifications

6. Warranty Information

This Casio HR-170RC Plus Mini-Desktop Printing Calculator comes with a 90 days limited warranty from the date of purchase. This warranty covers manufacturing defects under normal use. Please retain your proof of purchase for warranty claims. For specific terms and conditions, refer to the warranty documentation provided at the time of purchase or contact Casio customer support.

7. Support

For further assistance, technical support, or inquiries regarding your Casio HR-170RC Plus calculator, please contact Casio customer service. Refer to the official Casio website or product packaging for the most current contact information, including phone numbers and support portals.