Sharp EL-1750V Two-Color Printing Calculator User Manual

1. Introduction

This manual provides detailed instructions for the proper use and maintenance of your Sharp EL-1750V Two-Color Printing Calculator. Please read this manual thoroughly before operating the device to ensure optimal performance and longevity.

Image 1.1: Front view of the Sharp EL-1750V Two-Color Printing Calculator, displaying its 12-digit LCD and key layout.

2. Setup

2.1 Power Source

The Sharp EL-1750V calculator can be powered by an AC adapter or four AA batteries (optional for backup). Ensure the correct power source is connected before use.

• AC Power: Connect the provided AC adapter to the calculator's power input jack and then to a standard electrical outlet.
• Battery Power: For backup or portable use, insert four AA batteries into the battery compartment, observing the correct polarity.

2.2 Paper Roll Installation

To install a new paper roll:

1. Open the printer cover.
2. Place the new paper roll onto the paper roll holder, ensuring the paper feeds from the bottom.
3. Feed the leading edge of the paper into the printer slot until it emerges from the top.
4. Close the printer cover.

2.3 Ink Roller Installation

To replace the ink roller (Victor ink roller IR40T):

1. Ensure the calculator is turned off.
2. Gently remove the old ink roller by lifting it out.
3. Unpack the new ink roller and insert it into the designated slot, ensuring it clicks into place.
4. Close the printer cover.

3. Operating Instructions

3.1 Basic Operations

The calculator features a standard keyboard layout for basic arithmetic functions.

• Addition (+): Enter the first number, press +, enter the second number, press +.
• Subtraction (-): Enter the first number, press +, enter the second number, press -. (Note: This is a common accounting method where subtraction is treated as adding a negative number).
• Multiplication (x): Enter the first number, press x, enter the second number, press =.
• Division (÷): Enter the first number, press ÷, enter the second number, press =.
• Clear Entry/Clear All (C/CE): Press C/CE once to clear the last entry, press twice to clear all entries.

3.2 Special Functions

The EL-1750V includes several specialized keys for business calculations.

• Cost, Sell, Margin (COST, SELL, MGN): Use these keys for quick profit margin calculations. Enter two values, then press the third key to calculate the missing value.
• Tax Calculation (TAX+, TAX-): Configure the tax rate using the appropriate settings. Use TAX+ to add tax and TAX- to subtract tax.
• Grand Total (GT): Accumulates the results of calculations. Press GT to display and print the grand total.
• Memory Functions (M+, M-, M*, M): Store, recall, add to, or subtract from memory.
• Decimal Settings (F, 3, 2, 0, A): Adjust the decimal point setting using the slide switch. F for floating decimal, 3/2/0 for fixed decimal places, A for adding machine mode.
• Rounding Switch (UP, 5/4, CUT): Controls how results are rounded.
• Change Calculation (CHANGE): One-touch calculation to display and print the change owed.
• Average (AVG): Calculates the average of entered values.

Image 3.1: The Sharp EL-1750V highlighting Automatic Tax Keys, Rounding Switch, Decimal Switch, Grand Total Function, 4 Key Memory, Backspace Key, and Percent Key.

Image 3.2: The Sharp EL-1750V highlighting the 2.2 LPS 2-Color Printer, Average Key, Change Calculations, Tax Calculations, Grand Total Key, and Cost/Sell/Margin Keys.

4. Maintenance

4.1 Cleaning

To maintain the calculator's appearance and functionality:

• Wipe the exterior with a soft, dry cloth.
• Do not use abrasive cleaners, solvents, or spray directly onto the calculator.
• Keep the printer mechanism free of dust and paper debris.

4.2 Replacing Paper Roll

Refer to Section 2.2 for detailed instructions on replacing the paper roll.

4.3 Replacing Ink Roller

Refer to Section 2.3 for detailed instructions on replacing the ink roller.

5. Troubleshooting

If you encounter issues with your calculator, please consult the following common problems and solutions:

• Calculator does not turn on: Check AC adapter connection or ensure batteries are correctly inserted and not depleted.
• Display is blank or dim: Verify power source. If using batteries, replace them.
• Printer is not printing: Check if paper roll is installed correctly and has sufficient paper. Ensure the ink roller is properly installed and not dry.
• Incorrect calculations: Ensure correct decimal and rounding settings are selected. Clear previous calculations using the C/CE key.
• Keys are unresponsive: Clean around the keys to remove any debris.

If the problem persists after attempting these solutions, please contact customer support.

6. Specifications

Image 6.1: The Sharp EL-1750V displaying its approximate dimensions.

7. Warranty and Support

For warranty information and customer support, please refer to the documentation included with your purchase or visit the official Sharp website. Keep your purchase receipt as proof of purchase for warranty claims.