Llawlyfr Defnyddiwr Cyfrifiannell Argraffu Sharp QS-2770H

Rhagymadrodd

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.

Ffigur 1: Blaen view of the Sharp QS-2770H Printing Calculator, showing the display, keyboard, and paper roll.

Gosod

1. Cysylltiad Pwer

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. Gosod Rholiau Papur

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.

Ffigur 2: Ochr 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. Gwnewch yn siŵr bod y gyfrifiannell wedi'i diffodd.
2. Agorwch glawr yr argraffydd yn ysgafn.
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. Caewch glawr yr argraffydd yn ddiogel.

4. Gosodiadau Cychwynnol

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., DYDDIAD key, decimal selector switch).

Cyfarwyddiadau Gweithredu

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

Gweithrediadau Sylfaenol

• Adio/Tynnu: Enter numbers and press + or -.
• Multiplication/Division: Enter numbers and press x or ÷. Gwasgwch = i arddangos y canlyniad.
• Mynediad clir (CE): Yn clirio'r rhif a gofnodwyd ddiwethaf.
• Clear All (C/AC): Yn clirio'r holl gofnodion a chyfrifiadau.

Swyddogaethau Uwch

• Cyfanswm Mawr (GT): Accumulates results of all calculations. Press GT to display the grand total.
• Markup (MU): Used for cost-sell-margin calculations.
• Percent Changes (%): Yn cyfrifo y canttage 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.
• Newid Arwydd (+/-): Yn newid arwydd y rhif a ddangosir.
• Cyfrif Eitem: 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.

Cynnal a chadw

Glanhau

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.

Datrys problemau

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

Manylebau

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

Gwarant a Chefnogaeth

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 Siop Sharp ar Amazon.