Utangulizi
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.
Kielelezo 1: Mbele view of the Sharp QS-2770H Printing Calculator, showing the display, keyboard, and paper roll.
Sanidi
1. Uunganisho wa Nguvu
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. Ufungaji wa Roli ya Karatasi
- 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.
Kielelezo 2: Upande 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:
- Hakikisha kikokotoo kimezimwa.
- Fungua kifuniko cha printa kwa upole.
- 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.
- Funga kifuniko cha kichapishi kwa usalama.
4. Mipangilio ya awali
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., TAREHE key, decimal selector switch).
Maagizo ya Uendeshaji
The Sharp QS-2770H features a professional keyboard layout designed for efficient data entry and calculations.
Shughuli za Msingi
- Kuongeza/Kutoa: Enter numbers and press + or -.
- Multiplication/Division: Enter numbers and press x or ÷. Bonyeza = ili kuonyesha matokeo.
- Ingizo Wazi (CE): Clears the last entered number.
- Futa Zote (Kiyoyozi/Kiyoyozi): Clears all entries and calculations.
Kazi za Juu
- Jumla (GT): Accumulates results of all calculations. Press GT kuonyesha jumla.
- Alama (MU): Used for cost-sell-margin calculations.
- Percent Changes (%): Huhesabu asilimiatage 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.
- Hesabu ya Kipengee: 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.
Matengenezo
Kusafisha
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.
Kutatua matatizo
| Tatizo | Sababu inayowezekana | Suluhisho |
|---|---|---|
| Display shows "E" or error code. | Calculation overflow, invalid operation, or internal error. | Bonyeza Kiyoyozi/Kiyoyozi to clear the error and restart the calculation. Ensure numbers are within the 12-digit capacity. |
| No printout or faint print. | 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. |
| Calculator does not power on. | Power cord not connected, or power outlet issue. | 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.
Vipimo
Figure 3: Dimensions of the Sharp QS-2770H Printing Calculator.
| Kipengele | Maelezo |
|---|---|
| Jina la Mfano | QS-2770H 12-Digit Professional Heavy-Duty Commercial Printing Calculator |
| Onyesho | 12-Digit Fluorescent Display |
| Kasi ya Uchapishaji | 4.8 lines-per-second |
| Rangi za Uchapishaji | Two-color (Black/Red) |
| Chanzo cha Nguvu | Ugavi wa AC |
| Vipimo vya Bidhaa | 13.3 x 10 x inchi 3 (L x W x H) |
| Uzito wa Kipengee | Pauni 4.8 |
| Compatible Ribbon | Victor ink ribbon 7010 |
| Kazi Muhimu | Date, Markup, Percent Changes, Automatic Tax, Grand Total, Item Count, Change Sign, Two Independent 4-Key Memories |
Udhamini na Msaada
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 Duka la Sharp kwenye Amazon.
