導入
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.
図1: 前面 view of the Sharp QS-2770H Printing Calculator, showing the display, keyboard, and paper roll.
設定
1. 電源接続
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. ペーパーロールの取り付け
- 電卓の上部背面にあるロール紙アームを持ち上げます。
- 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.
- ペーパーロールアームを元の位置に戻します。
図2：側面 view illustrating the paper roll installation area.
3. インクリボンの取り付け/交換
The calculator uses a two-color ink ribbon (Victor ink ribbon 7010 or equivalent). To install or replace:
- 電卓がオフになっていることを確認してください。
- Gently open the printer cover.
- 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.
- プリンターのカバーをしっかりと閉じてください。
4. 初期設定
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., 日付 key, decimal selector switch).
操作手順
The Sharp QS-2770H features a professional keyboard layout designed for efficient data entry and calculations.
基本操作
- 加算/減算: Enter numbers and press + or -.
- Multiplication/Division: Enter numbers and press x or ÷。 プレス = 結果を表示します。
- クリアエントリ (CE): 最後に入力した番号をクリアします。
- Clear All (C/AC): すべての入力と計算をクリアします。
高度な機能
- 総計（GT）: Accumulates results of all calculations. Press GT 総合計を表示します。
- Markup (MU): Used for cost-sell-margin calculations.
- Percent Changes (%): パーセントを計算しますtage 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.
- アイテム数: 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.
メンテナンス
クリーニング
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.
トラブルシューティング
| 問題 | 考えられる原因 | 解決 |
|---|---|---|
| ディスプレイに「E」またはエラーコードが表示されます。 | Calculation overflow, invalid operation, or internal error. | プレス C/AC to clear the error and restart the calculation. Ensure numbers are within the 12-digit capacity. |
| 印刷されない、または印刷が薄い。 | 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. |
| 電卓の電源が入りません。 | 電源コードが接続されていないか、電源コンセントに問題があります。 | 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.
仕様
Figure 3: Dimensions of the Sharp QS-2770H Printing Calculator.
| 特徴 | 詳細 |
|---|---|
| モデル名 | QS-2770H 12-Digit Professional Heavy-Duty Commercial Printing Calculator |
| 画面 | 12-Digit Fluorescent Display |
| 印刷速度 | 4.8 lines-per-second |
| 印刷色 | Two-color (Black/Red) |
| 電源 | 交流電源 |
| 製品寸法 | 13.3 x 10 x 3インチ（L x W x H） |
| アイテム重量 | 4.8ポンド |
| Compatible Ribbon | Victor ink ribbon 7010 |
| 主な機能 | Date, Markup, Percent Changes, Automatic Tax, Grand Total, Item Count, Change Sign, Two Independent 4-Key Memories |
保証とサポート
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 Amazonのシャープストア.
