Sharp QS-2770H Printing Calculator User Manual

Introduzione

This manual provides comprehensive instructions for the setup, operation, maintenance, and troubleshooting of your Sharp QS-2770H Two-Color Printing Calculator. Please read this manual thoroughly to ensure proper use and to maximize the lifespan of your device.

Figura 1: Fronte view of the Sharp QS-2770H Printing Calculator, showing the display, keyboard, and paper roll.

Impostare

1. Collegamento elettrico

The Sharp QS-2770H calculator is AC-powered. Connect the provided AC adapter to the power input port on the back of the calculator and then plug it into a standard electrical outlet. Ensure the power switch is in the OFF position before connecting.

2. Installazione del rotolo di carta

1. Sollevare il braccio del rotolo di carta situato nella parte superiore posteriore della calcolatrice.
2. Place a new paper roll (standard 2-1/4 inch width) onto the paper roll holder, ensuring the paper feeds from the bottom of the roll.
3. Feed the leading edge of the paper into the printer slot until it emerges from the front of the printer mechanism.
4. Riabbassare il braccio del rotolo di carta nella posizione corretta.

Figura 2: lato view illustrating the paper roll installation area.

3. Ink Ribbon Installation/Replacement

The calculator uses a two-color ink ribbon (Victor ink ribbon 7010 or equivalent). To install or replace:

1. Assicurarsi che la calcolatrice sia spenta.
2. Aprire delicatamente il coperchio della stampante.
3. Remove the old ribbon cartridge if present.
4. Insert the new ribbon cartridge, ensuring the ribbon is properly threaded through the guides and positioned correctly over the print head. Refer to the diagram on the ribbon cartridge for correct orientation.
5. Chiudere saldamente il coperchio della stampante.

4. Impostazioni iniziali

Before first use, or after a power interruption, you may need to set the date, decimal point, and rounding settings. Consult the specific key functions on your calculator's keyboard for these adjustments (e.g., DATA key, decimal selector switch).

Istruzioni per l'uso

The Sharp QS-2770H features a professional keyboard layout designed for efficient data entry and calculations.

Operazioni di base

• Addizione/Sottrazione: Enter numbers and press + or -.
• Moltiplicazione/Divisione: Enter numbers and press x or ÷. Premere = per visualizzare il risultato.
• Cancella voce (CE): Cancella l'ultimo numero immesso.
• Clear All (C/AC): Cancella tutte le voci e i calcoli.

Funzioni avanzate

• Totale generale (GT): Accumulates results of all calculations. Press GT per visualizzare il totale generale.
• Markup (MU): Used for cost-sell-margin calculations.
• Percent Changes (%): Calcola la percentualetage increases or decreases.
• Automatic Tax Keys (TAX+, TAX-): Pre-set tax rates for quick tax calculations. Refer to your calculator's specific instructions for setting tax rates.
• Cambia segno (+/-): Cambia il segno del numero visualizzato.
• Numero di articoli: Automatically counts the number of entries.
• Funzioni di memoria (M+, M-, MR, MC): Store, recall, add to, or subtract from memory. The QS-2770H features two independent 4-key memories.

The large, fluorescent display provides clear visibility of numbers and operational symbols. The 4.8 lines-per-second ribbon printer ensures fast and legible printouts of your calculations.

Manutenzione

Pulizia

To maintain the calculator's appearance and functionality, regularly wipe the exterior with a soft, dry cloth. For stubborn dirt, a slightly damp È possibile utilizzare un panno, ma assicurarsi che nessun liquido penetri nel dispositivo. Non utilizzare detergenti abrasivi o solventi.

Ribbon and Paper Roll Replacement

Replace the ink ribbon when printouts become faint or inconsistent. Refer to the "Ink Ribbon Installation/Replacement" section under Setup for detailed steps. Replace the paper roll when it runs out, following the "Paper Roll Installation" steps.

Risoluzione dei problemi

If problems persist after attempting these solutions, please contact Sharp customer support.

Specifiche

Figure 3: Dimensions of the Sharp QS-2770H Printing Calculator.

Garanzia e supporto

Warranty information for the Sharp QS-2770H Printing Calculator is typically included with your purchase documentation. Please refer to the warranty card or contact Sharp customer service for details regarding coverage and terms.

For technical support, service, or additional inquiries, please visit the official Sharp Calculators store or contact their customer support channels. You can find more information at the Sharp Store su Amazon.