Sharp QS-2770H Printing Calculator User Manual

Ներածություն

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.

Նկար 1. Առջև view of the Sharp QS-2770H Printing Calculator, showing the display, keyboard, and paper roll.

Կարգավորում

1. Էլեկտրաէներգիայի միացում

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. Թղթի գլանափաթեթի տեղադրում

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.

Նկար 2. Կողք 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. Համոզվեք, որ հաշվիչը անջատված է։
2. Զգուշորեն բացեք տպիչի կափարիչը։
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. Ապահով փակեք տպիչի կափարիչը:

4. Նախնական կարգավորումներ

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., DATE key, decimal selector switch).

Գործառնական հրահանգներ

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

Հիմնական գործառնություններ

• Գումարում/հանում։ Enter numbers and press + or -.
• Multiplication/Division: Enter numbers and press x or ÷. Մամուլ = արդյունքը ցուցադրելու համար:
• Մաքրել մուտքը (CE): Ջնջում է վերջին մուտքագրված թիվը։
• Clear All (C/AC): Մաքրում է բոլոր գրառումները և հաշվարկները։

Ընդլայնված գործառույթներ

• Գրան տոտալ (GT): Accumulates results of all calculations. Press GT ընդհանուր գումարը ցուցադրելու համար։
• Markup (MU): Used for cost-sell-margin calculations.
• Percent Changes (%): Հաշվում է տոկոսըtage 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 (+/-): Changes the sign of the displayed number.
• Նյութերի քանակ. 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.

Տեխնիկական սպասարկում

Մաքրում

To maintain the calculator's appearance and functionality, regularly wipe the exterior with a soft, dry cloth. For stubborn dirt, a slightly damp cloth can be used, but ensure no liquid enters the device. Do not use abrasive cleaners or solvents.

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.

Անսարքությունների վերացում

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

Տեխնիկական պայմաններ

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

Երաշխիք և աջակցություն

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 խանութը Amazon-ում.