Introduzzjoni
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: Quddiem view of the Sharp QS-2770H Printing Calculator, showing the display, keyboard, and paper roll.
Setup
1. Konnessjoni tal-Enerġija
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. Installazzjoni tar-Romblu tal-Karta
- Lift the paper roll arm located at the top rear of the calculator.
- 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.
- Feed the leading edge of the paper into the printer slot until it emerges from the front of the printer mechanism.
- Lower the paper roll arm back into position.
Figura 2: Ġenb 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:
- Kun żgur li l-kalkulatur ikun mitfi.
- Iftaħ l-għatu tal-istampatur bil-mod.
- Remove the old ribbon cartridge if present.
- 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.
- Agħlaq il-qoxra tal-printer sew.
4. Settings Inizjali
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).
Istruzzjonijiet Operattivi
The Sharp QS-2770H features a professional keyboard layout designed for efficient data entry and calculations.
Operazzjonijiet Bażiċi
- Żieda/Tnaqqis: Enter numbers and press + or -.
- Multiplication/Division: Enter numbers and press x or ÷. Agħfas = biex turi r-riżultat.
- Dħul ċar (CE): Iħassar l-aħħar numru mdaħħal.
- Clear All (C/AC): Iħassar l-entrati u l-kalkoli kollha.
Funzjonijiet Avvanzati
- Total Grand (GT): Accumulates results of all calculations. Press GT to display the grand total.
- Markup (MU): Used for cost-sell-margin calculations.
- Percent Changes (%): Jikkalkula fil-mijatage 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 (+/-): Jibdel is-sinjal tan-numru muri.
- Għadd ta' Oġġetti: 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.
Manutenzjoni
Tindif
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.
Issolvi l-problemi
| Problema | Kawża Possibbli | Soluzzjoni |
|---|---|---|
| Id-displej juri "E" jew kodiċi ta' żball. | Calculation overflow, invalid operation, or internal error. | Agħfas C/AC to clear the error and restart the calculation. Ensure numbers are within the 12-digit capacity. |
| L-ebda stampar jew stampar skur. | Paper roll empty, paper not loaded correctly, or ink ribbon needs replacement. | Check paper roll and reload if necessary. Replace ink ribbon (Victor ink ribbon 7010). Ensure print mode is enabled. |
| Il-kalkulatur ma jixgħelx. | Il-korda tal-enerġija mhux imqabbda, jew problema bis-sokit tal-enerġija. | Verify AC adapter is securely connected to both the calculator and a working electrical outlet. |
If problems persist after attempting these solutions, please contact Sharp customer support.
Speċifikazzjonijiet
Figure 3: Dimensions of the Sharp QS-2770H Printing Calculator.
| Karatteristika | Dettall |
|---|---|
| Isem tal-Mudell | QS-2770H 12-Digit Professional Heavy-Duty Commercial Printing Calculator |
| Wiri | 12-Digit Fluorescent Display |
| Veloċità tal-Istampar | 4.8 lines-per-second |
| Kuluri Stampar | Żewġ kuluri (Iswed/Aħmar) |
| Sors tal-Enerġija | Provvista AC |
| Dimensjonijiet tal-Prodott | 13.3 x 10 x 3 pulzieri (L x W x H) |
| Piż tal-oġġett | 4.8 liri |
| Compatible Ribbon | Victor ink ribbon 7010 |
| Funzjonijiet Ewlenin | Date, Markup, Percent Changes, Automatic Tax, Grand Total, Item Count, Change Sign, Two Independent 4-Key Memories |
Garanzija u Appoġġ
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 Ħanut Sharp fuq Amazon.
