1. ບົດແນະນຳ
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. ຜະລິດຕະພັນເກີນview
Familiarize yourself with the main components and features of your QR701 printer.

Figure 2: Key components of the QR701 printer.
- ຕົວຊີ້ວັດ LED: 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.
- ອິນເຕີເຟດ TTL: One of the connectivity options for data transmission.
3. ຄຸນລັກສະນະຂອງຜະລິດຕະພັນ
The Goojprt QR701 is a compact and efficient thermal receipt printer designed for various applications. Key features include:
- ການອອກແບບກະທັດຮັດ: Beautiful appearance and small size for easy integration into various systems.
- ການໂຫຼດເຈ້ຍງ່າຍ: Simple paper structure allows paper roll replacement from the front panel, ensuring ease of operation.
- ການປະຕິບັດການສຽງຫນ້ອຍ: Adopts thermal printing technology, providing quiet operation without disturbing the environment.
- ການພິມຄວາມໄວສູງ: Offers a printing speed of 50-80mm/s for efficient transaction processing.
- ການໂຕ້ຕອບອະເນກປະສົງ: Supports Serial TTL, Parallel, and USB interfaces for broad compatibility.
- Embedded Design: Specifically designed for easy embedding into various instruments and systems.
- ESC/POS Compatibility: Supports the standard ESC/POS print instruction set.
- ເປັນມິດກັບສິ່ງແວດລ້ອມ: 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.

ຮູບທີ 5: ຄວາມສາມາດໃນການພິມຄວາມໄວສູງ.

ຮູບທີ 6: ຂະໜາດເຄື່ອງພິມ.
4. ການຕິດຕັ້ງແລະການຕິດຕັ້ງ
Follow these steps to set up your Goojprt QR701 printer:
- ການຫຸ້ມຫໍ່: 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.
- ການເຊື່ອມຕໍ່ພະລັງງານ: Connect the power supply (not included, typically DC 5V-9V / 12V) to the printer's power input port.
- ການເຊື່ອມຕໍ່ການໂຕ້ຕອບ: Connect the printer to your host device (e.g., computer, POS system) using the appropriate communication cable (Serial TTL, Parallel, or USB).
- ການຕິດຕັ້ງໄດເວີ: 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.
- ການຕິດຕັ້ງມ້ວນເຈ້ຍ: Refer to the "Paper Loading" section (Section 5.1) for detailed instructions on how to install the thermal paper roll.
5. ຄໍາແນະນໍາການດໍາເນີນງານ
5.1 ການໂຫຼດເຈ້ຍ
Proper paper loading is crucial for the printer's operation. Follow these steps:
- ເປີດຝາປິດເຄື່ອງພິມ: Locate the cover switch and open the printer cover.
- ໃສ່ມ້ວນເຈ້ຍ: 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.
- ປິດຝາເຄື່ອງພິມ: Gently close the printer cover until it latches securely. Ensure a small portion of the paper is exposed from the paper outlet.
- ໝາຍເຫດສຳຄັນ: 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 ການພິມພື້ນຖານ
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. ບໍາລຸງຮັກສາ
Regular maintenance ensures the longevity and optimal performance of your thermal printer.
- ທໍາຄວາມສະອາດຫົວພິມ: 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.
- ການເຮັດຄວາມສະອາດ Roller Platen: Clean the platen roller (the rubber roller that feeds the paper) with isopropyl alcohol to remove paper dust or adhesive residue.
- ການອະນາໄມພາຍນອກ: ເຊັດດ້ານນອກຂອງເຄື່ອງພິມດ້ວຍຄວາມອ່ອນ, ງamp cloth. Do not use harsh chemicals, solvents, or abrasive cleaners, as these can damage the printer's casing.
- ຄຸນນະພາບເຈ້ຍ: 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.
- ຫຼີກລ້ຽງການຂັດຂວາງ: Keep the paper path clear of any foreign objects, dust, or debris.
7. ການແກ້ໄຂບັນຫາ
This section addresses common issues you might encounter with your Goojprt QR701 printer and provides potential solutions.
| ບັນຫາ | ສາເຫດທີ່ເປັນໄປໄດ້ | ການແກ້ໄຂ |
|---|---|---|
| ບໍ່ມີພະລັງງານ | 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 | ລະດັບສຽງຕ່ ຳtage; 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. |
| ເຈ້ຍຕິດ | 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. |
| ສະຖານະຕົວຊີ້ວັດ LED | 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. ຂໍ້ກໍານົດດ້ານວິຊາການ
Detailed technical specifications for the Goojprt QR701 Mini 58mm Thermal Receipt Printer:
| ພາລາມິເຕີ | ຂໍ້ມູນຈໍາເພາະ |
|---|---|
| ວິທີການພິມ | Hotspot thermal printing |
| ຄວາມໄວການພິມ | 50-80 ມມ/ວິນາທີ |
| ຄວາມລະອຽດ | 8 dots/mm, 384 dots/line (203.2 x 384 dpi) |
| ຄວາມກວ້າງຂອງການພິມທີ່ມີປະສິດຕິຜົນ | 48 ມມ |
| ຊຸດຕົວລະຄອນ | ASCII, GB2312-80 (Chinese) |
| ພິມຕົວອັກສອນ | ANK: 8 x 16, 9 x 17, 9 x 24, 12 x 24; Chinese: 16 x 16, 24 x 24 |
| ປະເພດເຈ້ຍ | Thermal paper 57 x 30 |
| ຄວາມກວ້າງຂອງເຈ້ຍ | 57.5 +/- 0.5 ມມ |
| Coil Diameter (Maximum) | 39 ມມ |
| ການໂຕ້ຕອບ | Serial TTL / Parallel / USB |
| Embedding Depth | 50 ມມ |
| ການສະຫນອງພະລັງງານ | DC 5V-9V / 12V |
| Mounting Port Size | 103 x 57 ມມ |
| ອຸນຫະພູມເຮັດວຽກ | 5 °C - 50 °C |
| ຄວາມຊຸ່ມຊື່ນປະຕິບັດການ | 10% ຫາ 80% |
| ອຸນຫະພູມການເກັບຮັກສາ | -20 °C - 60 °C |
| ຄວາມຊຸ່ມຊື້ນ | 10% ຫາ 90% |
| ຂະໜາດສິນຄ້າ (L x W x H) | 11.10 x 6.50 x 5.70 cm / 4.37 x 2.56 x 2.24 ນິ້ວ |
| ອົງປະກອບລວມ | 58mm embedded receipt thermal printer, communication cable, CD |
9. ຄໍາຮ້ອງສະຫມັກ
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.
- ການດູແລສຸຂະພາບ: Suitable for hospitals and clinics for patient receipts or internal documentation.
- ການຕ້ອນຮັບ: 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. ການຮັບປະກັນແລະການສະຫນັບສະຫນູນ
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.