1. Úvod
This manual provides essential information for the proper installation, operation, and maintenance of your Goojprt QR701 Mini 58mm Thermal Receipt Printer. Please read this manual thoroughly before using the printer to ensure optimal performance and longevity.

Figure 1: Goojprt QR701 Mini Thermal Receipt Printer.
2. Konec produktuview
Familiarize yourself with the main components and features of your QR701 printer.

Figure 2: Key components of the QR701 printer.
- LED indikátor: Provides status feedback (e.g., power on, error, paper out).
- Out of Paper Key: Indicates when the paper roll is depleted.
- Cover Switch: Releases the printer cover for paper loading.
- Tear Paper: Serrated edge for manually tearing receipts.
- Paper Outlet Cover: Protects the paper exit slot.
- Positioning Slider: Helps secure the printer in an embedded setup.
- Rozhraní TTL: One of the connectivity options for data transmission.
3. Vlastnosti produktu
The Goojprt QR701 is a compact and efficient thermal receipt printer designed for various applications. Key features include:
- Kompaktní design: Beautiful appearance and small size for easy integration into various systems.
- Snadné vkládání papíru: Simple paper structure allows paper roll replacement from the front panel, ensuring ease of operation.
- Provoz s nízkou hlučností: Adopts thermal printing technology, providing quiet operation without disturbing the environment.
- Vysokorychlostní tisk: Offers a printing speed of 50-80mm/s for efficient transaction processing.
- Versatile Interfaces: Supports Serial TTL, Parallel, and USB interfaces for broad compatibility.
- Vestavěný design: Specifically designed for easy embedding into various instruments and systems.
- ESC/POS Compatibility: Supports the standard ESC/POS print instruction set.
- Šetrné k životnímu prostředí: Does not require ribbon or ink cartridges, contributing to reduced energy consumption and waste.

Figure 3: Thermal printing benefits.

Figure 4: Environmental benefits of the printer.

Figure 5: High-speed printing capability.

Obrázek 6: Rozměry tiskárny.
4. Nastavení a instalace
Follow these steps to set up your Goojprt QR701 printer:
- Rozbalení: Carefully remove the printer and all accessories from the packaging. Verify that all components listed in the package contents (printer, communication cable, CD) are present.
- Připojení napájení: Connect the power supply (not included, typically DC 5V-9V / 12V) to the printer's power input port.
- Připojení rozhraní: Connect the printer to your host device (e.g., computer, POS system) using the appropriate communication cable (Serial TTL, Parallel, or USB).
- Instalace ovladače: Install the necessary printer drivers on your host device. Refer to the included CD or the manufacturer's website for driver software and installation instructions.
- Instalace role papíru: Refer to the "Paper Loading" section (Section 5.1) for detailed instructions on how to install the thermal paper roll.
5. Návod k obsluze
5.1 Vkládání papíru
Proper paper loading is crucial for the printer's operation. Follow these steps:
- Otevřete kryt tiskárny: Locate the cover switch and open the printer cover.
- Vložte roli papíru: Place the thermal paper roll into the compartment. The paper roll should be placed with the paper feeding from the bottom and the leading edge facing upwards, ensuring it is correctly oriented. The product description specifies placing the paper roll on the reverse side.
- Zavřete kryt tiskárny: Gently close the printer cover until it latches securely. Ensure a small portion of the paper is exposed from the paper outlet.
- Důležitá poznámka: Before installing the paper, remove any tape or adhesive from the paper roll to prevent foreign matter from entering the printer and to protect the print head.

Figure 7: Printer with cover open for paper loading.
5.2 Základní tisk
Once the printer is connected and paper is loaded, you can initiate printing from your connected device. Ensure your operating system and application software are configured to use the Goojprt QR701 printer.
6. Údržba
Regular maintenance ensures the longevity and optimal performance of your thermal printer.
- Čištění tiskové hlavy: Periodically clean the thermal print head with a soft, lint-free cloth moistened with isopropyl alcohol. Ensure the printer is powered off and cooled down before cleaning. Avoid touching the print head directly with bare hands.
- Čištění tiskového válce: Clean the platen roller (the rubber roller that feeds the paper) with isopropyl alcohol to remove paper dust or adhesive residue.
- Čištění exteriéru: Otřete vnější povrch tiskárny měkkým,amp cloth. Do not use harsh chemicals, solvents, or abrasive cleaners, as these can damage the printer's casing.
- Kvalita papíru: Use only high-quality thermal paper recommended for 58mm printers. Poor quality paper can damage the print head, cause print issues, or lead to premature wear.
- Vyhněte se překážkám: Keep the paper path clear of any foreign objects, dust, or debris.
7. Řešení problémů
This section addresses common issues you might encounter with your Goojprt QR701 printer and provides potential solutions.
| Problém | Možná příčina | Řešení |
|---|---|---|
| Žádná síla | Power cable disconnected; power outlet faulty; power supply issue. | Check power cable connection to printer and outlet; try a different power outlet; ensure power supply meets specifications. |
| No Print Output | Paper loaded incorrectly; no paper; printer not connected; driver issue; printer offline. | Verify paper loading (refer to Section 5.1); ensure paper roll is present; check communication cable connection; reinstall printer drivers; ensure printer is online in your system settings. |
| Faint or Incomplete Print | Nízký objemtage; print head dirty; poor quality thermal paper; print head worn out. | Ensure power supply meets specifications (DC 5V-9V / 12V); clean print head (refer to Section 6); use recommended thermal paper; if issue persists, print head may need replacement. |
| Zaseknutý papír | Paper loaded incorrectly; foreign object in paper path; paper roll too tight. | Open cover and carefully remove jammed paper; ensure paper is loaded correctly and freely; remove any foreign objects. |
| Stav LED indikátoru | LED behavior indicates specific printer status (e.g., flashing for error, solid for ready, off for no power). | Consult the printer's specific LED indicator guide (if available in separate documentation) to diagnose the status. Address the indicated issue (e.g., load paper if 'paper out' is indicated). |
8. Technické specifikace
Detailed technical specifications for the Goojprt QR701 Mini 58mm Thermal Receipt Printer:
| Parametr | Specifikace |
|---|---|
| Způsob tisku | Hotspot thermal printing |
| Rychlost tisku | 50-80 mm/s |
| Rezoluce | 8 dots/mm, 384 dots/line (203.2 x 384 dpi) |
| Efektivní šířka tisku | 48 mm |
| Znaková sada | ASCII, GB2312-80 (čínština) |
| Tisk písma | ANK: 8 x 16, 9 x 17, 9 x 24, 12 x 24; Chinese: 16 x 16, 24 x 24 |
| Typ papíru | Thermal paper 57 x 30 |
| Šířka papíru | 57.5 0.5 +/- mm |
| Coil Diameter (Maximum) | 39 mm |
| Rozhraní | Serial TTL / Parallel / USB |
| Embedding Depth | 50 mm |
| Napájení | DC 5V-9V / 12V |
| Mounting Port Size | 103 x 57 mm |
| Pracovní teplota | 5 °C - 50 °C |
| Provozní vlhkost | 10 % až 80 % |
| Skladovací teplota | -20 °C až 60 °C |
| Skladovací vlhkost | 10 % až 90 % |
| Rozměry produktu (D x Š x V) | 11.10 x 6.50 x 5.70 cm / 4.37 x 2.56 x 2.24 palce |
| Zahrnuté komponenty | 58mm embedded receipt thermal printer, communication cable, CD |
9. Aplikace
The Goojprt QR701 Mini 58mm Thermal Receipt Printer is suitable for a wide range of applications requiring compact and efficient receipt printing:
- Retail Environments: Ideal for shopping malls and supermarkets for point-of-sale receipts.
- Zdravotní péče: Suitable for hospitals and clinics for patient receipts or internal documentation.
- Pohostinství: Used in restaurants for order tickets or customer receipts.
- Financial Institutions: Applicable in banks for transaction slips.
- Logistics and Warehousing: For printing labels or delivery notes.
- Other Occasions: Versatile for various embedded systems and custom applications.

Figure 8: Common applications of the QR701 printer.
10. Záruka a podpora
For warranty information, technical support, or service inquiries, please refer to the documentation provided with your purchase or contact your vendor. Keep your purchase receipt as proof of purchase for any warranty claims.