מָבוֹא
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.
איור 1: חזית view of the Sharp QS-2770H Printing Calculator, showing the display, keyboard, and paper roll.
הגדרה
1. חיבור חשמל
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. התקנת גליל נייר
- הרם את זרוע גליל הנייר הממוקמת בחלקו העליון האחורי של המחשבון.
- 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.
איור 2: צד 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:
- ודא שהמחשבון כבוי.
- Gently open the printer cover.
- הסר את מחסנית הסרט הישנה, אם קיימת.
- 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.
- סגור היטב את מכסה המדפסת.
4. הגדרות ראשוניות
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., תַאֲרִיך key, decimal selector switch).
הוראות הפעלה
The Sharp QS-2770H features a professional keyboard layout designed for efficient data entry and calculations.
פעולות בסיסיות
- חיבור/חיסור: הזינו מספרים ולחצו + or -.
- כפל/חילוק: הזינו מספרים ולחצו x or ÷. לִלְחוֹץ = כדי להציג את התוצאה.
- נקה ערך (CE): Clears the last entered number.
- נקה הכל (C/AC): Clears all entries and calculations.
פונקציות מתקדמות
- סך הכל (GT): Accumulates results of all calculations. Press GT כדי להציג את הסכום הכולל.
- סימון (MU): Used for cost-sell-margin calculations.
- Percent Changes (%): מחשבת אחוזיםtage 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.
- שינוי סימן (+/-): משנה את הסימן של המספר המוצג.
- ספירת פריטים: Automatically counts the number of entries.
- פונקציות זיכרון (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.
תַחזוּקָה
ניקוי
To maintain the calculator's appearance and functionality, regularly wipe the exterior with a soft, dry cloth. For stubborn dirt, a slightly damp ניתן להשתמש במטלית, אך יש לוודא שלא ייכנסו נוזלים למכשיר. אין להשתמש בחומרי ניקוי שוחקים או ממסים.
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.
פתרון בעיות
| בְּעָיָה | סיבה אפשרית | פִּתָרוֹן |
|---|---|---|
| התצוגה מציגה "E" או קוד שגיאה. | Calculation overflow, invalid operation, or internal error. | לִלְחוֹץ מזגן/מערכת חימום 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. |
| המחשבון לא נדלק. | 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.
מפרטים
Figure 3: Dimensions of the Sharp QS-2770H Printing Calculator.
| תכונה | פְּרָט |
|---|---|
| שם הדגם | QS-2770H 12-Digit Professional Heavy-Duty Commercial Printing Calculator |
| לְהַצִיג | 12-Digit Fluorescent Display |
| מהירות הדפסה | 4.8 lines-per-second |
| צבעי הדפסה | שני צבעים (שחור/אדום) |
| מקור כוח | אספקת AC |
| מידות המוצר | 13.3 x 10 x 3 אינץ' (L x W x H) |
| משקל פריט | 4.8 פאונד |
| Compatible Ribbon | Victor ink ribbon 7010 |
| פונקציות מפתח | Date, Markup, Percent Changes, Automatic Tax, Grand Total, Item Count, Change Sign, Two Independent 4-Key Memories |
אחריות ותמיכה
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 חנות שארפ באמזון.
