Sharp QS-2770H Printing Calculator User Manual

Uvod

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.

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

Postavljanje

1. Priključak za napajanje

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. Ugradnja role papira

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.

Slika 2: Bočna strana 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. Provjerite je li kalkulator isključen.
2. Gently open the printer cover.
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. Čvrsto zatvorite poklopac pisača.

4. Početne postavke

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., DATUM key, decimal selector switch).

Upute za rad

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

Osnovne operacije

• Zbrajanje/Oduzimanje: Unesite brojeve i pritisnite + or -.
• Množenje/Dijeljenje: Unesite brojeve i pritisnite x or ÷. Pritisnite = za prikaz rezultata.
• Jasan unos (CE): Briše zadnji uneseni broj.
• Clear All (C/AC): Briše sve unose i izračune.

Napredne funkcije

• Ukupni zbroj (GT): Accumulates results of all calculations. Press GT za prikaz ukupnog iznosa.
• Markup (MU): Used for cost-sell-margin calculations.
• Percent Changes (%): Izračunava postotketage 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.
• Promjena predznaka (+/-): Mijenja predznak prikazanog broja.
• Broj stavki: Automatically counts the number of entries.
• Funkcije pamćenja (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.

Održavanje

Čišćenje

To maintain the calculator's appearance and functionality, regularly wipe the exterior with a soft, dry cloth. For stubborn dirt, a slightly damp Može se koristiti krpa, ali pazite da tekućina ne uđe u uređaj. Nemojte koristiti abrazivna sredstva za čišćenje ili otapala.

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.

Rješavanje problema

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

Tehnički podaci

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

Jamstvo i podrška

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 na Amazonu.