Sharp QS-2770H Printing Calculator User Manual

Introduksjon

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.

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

Oppsett

1. Strømtilkobling

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. Montering av papirrull

1. Lift the paper roll arm located at the top rear of the calculator.
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. Lower the paper roll arm back into position.

Figur 2: Side 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. Sørg for at kalkulatoren er slått av.
2. Åpne skriverdekselet forsiktig.
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. Lukk skriverdekselet godt.

4. Innledende innstillinger

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., DATO key, decimal selector switch).

Bruksanvisning

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

Grunnleggende operasjoner

• Addisjon/subtraksjon: Enter numbers and press + or -.
• Multiplikasjon/Divisjon: Enter numbers and press x or ÷. Pressen = for å vise resultatet.
• Fjern oppføring (CE): Clears the last entered number.
• Clear All (C/AC): Clears all entries and calculations.

Avanserte funksjoner

• Totalsum (GT): Accumulates results of all calculations. Press GT for å vise totalsummen.
• Markup (MU): Used for cost-sell-margin calculations.
• Percent Changes (%): Beregner prosenttage 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.
• Change Sign (+/-): Endrer fortegnet til det viste tallet.
• Vareantall: Automatically counts the number of entries.
• Memory Functions (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.

Vedlikehold

Rengjøring

To maintain the calculator's appearance and functionality, regularly wipe the exterior with a soft, dry cloth. For stubborn dirt, a slightly damp En klut kan brukes, men sørg for at det ikke kommer væske inn i enheten. Ikke bruk slipende rengjøringsmidler eller løsemidler.

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.

Feilsøking

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

Spesifikasjoner

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

Garanti og støtte

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-butikken på Amazon.