Manuale utente della calcolatrice Sharp EL-1750V con stampante a due colori

1. Introduzione

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.

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

2. Impostazione

2.1 Fonte di alimentazione

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.

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

2.2 Installazione del rotolo di carta

To install a new paper roll:

1. Aprire il coperchio della stampante.
2. Place the new paper roll onto the paper roll holder, ensuring the paper feeds from the bottom.
3. Inserire il bordo anteriore della carta nella fessura della stampante finché non fuoriesce dalla parte superiore.
4. Chiudere il coperchio della stampante.

2.3 Installazione del rullo inchiostratore

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

1. Assicurarsi che la calcolatrice sia spenta.
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. Chiudere il coperchio della stampante.

3. Istruzioni per l'uso

3.1 Operazioni di base

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

• Aggiunta (+): Inserisci il primo numero, premi +, inserisci il secondo numero, premi +.
• Sottrazione (-): Inserisci il primo numero, premi +, inserisci il secondo numero, premi -. (Note: This is a common accounting method where subtraction is treated as adding a negative number).
• Moltiplicazione (x): Inserisci il primo numero, premi x, inserisci il secondo numero, premi =.
• Divisione (÷): Inserisci il primo numero, premi ÷, inserisci il secondo numero, premi =.
• Clear Entry/Clear All (C/CE): Premere C/CE once to clear the last entry, press twice to clear all entries.

3.2 Funzioni speciali

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.
• Totale generale (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. Manutenzione

4.1 Pulizia

Per mantenere l'aspetto e la funzionalità della calcolatrice:

• Pulisci l'esterno con un panno morbido e asciutto.
• Non utilizzare detergenti abrasivi, solventi o spray direttamente sulla calcolatrice.
• Keep the printer mechanism free of dust and paper debris.

4.2 Sostituzione del rotolo di carta

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. Risoluzione Dei Problemi

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

• La calcolatrice non si accende: Check AC adapter connection or ensure batteries are correctly inserted and not depleted.
• Il display è vuoto o poco luminoso: 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.
• Calcoli errati: Ensure correct decimal and rounding settings are selected. Clear previous calculations using the C/CE key.
• I tasti non rispondono: Pulisci la zona attorno ai tasti per rimuovere eventuali detriti.

Se il problema persiste dopo aver provato queste soluzioni, contattare l'assistenza clienti.

6. Specifiche

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

7. Garanzia e supporto

For warranty information and customer support, please refer to the documentation included with your purchase or visit the official Sharp websito. Conservare la ricevuta d'acquisto come prova d'acquisto per eventuali reclami in garanzia.