소개
This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your vretti Bluetooth Thermal Shipping Label Printer, Model 420B. Please read this guide thoroughly to ensure proper use and optimal performance of your device.
제품 끝view
The vretti 420B is a compact and efficient thermal label printer designed for various labeling needs. It supports both wired (USB) and wireless (Bluetooth) connectivity, offering flexibility for different operating environments.
주요 특징:
- 블루투스 연결: Print wirelessly from Android, iPhone, iPad, and Windows devices. (Note: Mac OS devices are not supported via Bluetooth).
- 고속 인쇄: Capable of printing up to 75 labels per minute (152mm/s) at 203 dpi resolution for clear black and white text and images.
- 다양한 미디어 지원: Compatible with various thermal direct label types including Continuous, Gap, Black Mark, Fan-Fold, and Punched Hole.
- Adjustable Label Sizes: Supports label widths from 25.4mm to 115mm (0.78 to 4.6 inches), accommodating shipping labels, address labels, barcode labels, and more.
- 다중 플랫폼 호환성: Works with major transportation and e-commerce platforms such as UPS, eBay, Amazon, Shopify, FedEx, DHL, and Uber Eats. Compatible with Windows, Mac OS, and Linux systems via USB.
- Ink-Free Thermal Printing: Utilizes thermal printing technology, eliminating the need for ink cartridges or toner.
- 자동 라벨 감지: Features auto label detection and error reprint technology for high-precision printing.
- Built-in Label Bin: Designed with an internal label bin, removing the need for an external label holder.
설정
1. 언박싱 및 구성품
Carefully unpack the printer and verify that all components are present:
- vretti 420B Thermal Label Printer
- 전원 어댑터 및 전원 케이블
- USB 케이블
- 빠른 시작 가이드
- 안전 가이드
- Samp르 라벨
- USB Adapter for Mac (if included)

Image: The vretti 420B printer shown with its power adapter, USB cable, and sample labels, illustrating the complete package contents.
2. 물리적 연결
- 전원 어댑터를 프린터의 전원 포트에 연결하세요.
- 전원 케이블을 벽면 콘센트에 꽂으세요.
- For USB connection, connect one end of the USB cable to the printer and the other end to your computer.
- 프린터 뒷면에 있는 전원 스위치를 사용하여 프린터를 켜십시오.

Image: The vretti 420B printer connected to a laptop, demonstrating the USB connection setup.
3. Driver Installation (for USB Printing)
For Windows, Mac OS, or Linux systems, download the appropriate driver from the official vretti web해당 사이트로 이동하여 화면 안내에 따라 설치를 완료하십시오.
- Visit the vretti label printers official web대지.
- Locate and download the driver for Model 420B compatible with your operating system.
- 설치 프로그램을 실행하고 지침을 따릅니다.
4. Mobile App Installation (for Bluetooth Printing)
For printing from Android, iPhone, or iPad devices via Bluetooth, install the dedicated mobile application:
- 안드로이드의 경우: 검색 "4barcode Edit" in the Google Play Store.
- iPhone/iPad의 경우: 검색 "4barlabel" in the Apple App Store.
- 기기에 앱을 설치하세요.

Image: A smartphone screen showing the "4barcode" app available on Google Play and the App Store, with the vretti printer connected wirelessly.
작동 지침
1. 로딩 레이블
- 프린터 덮개를 엽니다.
- 라벨 너비에 맞게 이동식 가이드를 조정하십시오.
- Insert the thermal labels into the printer with the printable side facing up. Ensure the labels are fed smoothly and correctly.
- 프린터 덮개를 닫으세요. 프린터가 자동으로 라벨 크기를 감지하고 보정합니다.

Image: Hands loading fan-fold labels into the vretti 420B printer, highlighting the adjustable guides for different label widths.
2. Printing via USB (Windows/Mac/Linux)
- Ensure the printer is connected to your computer via USB and the driver is installed.
- 인쇄하려는 문서나 이미지를 엽니다.
- Select the vretti 420B printer from your printer options.
- Adjust print settings (e.g., label size, orientation, copies) as needed.
- 인쇄 작업을 시작하세요.
3. Printing via Bluetooth (Android/iPhone/iPad)
- 모바일 장치에서 Bluetooth가 활성화되어 있는지 확인하십시오.
- Open the "4barcode Edit" (Android) or "4barlabel" (iOS) app.
- Within the app, connect to your vretti 420B printer via Bluetooth.
- Select the type of content you want to print (e.g., PDF, image, custom label).
- Customize your label using the app's editing features (text, icons, images, barcodes, QR codes).
- Adjust print settings (e.g., width/height, copies, print quality, print speed).
- Tap "Print" to send the job to the printer.

Image: The vretti 420B printer in action, producing a shipping label, while a smartphone shows the connected mobile application.
4. 라벨 사용자 지정
The mobile application provides extensive customization options:
- 텍스트: Add and format text with various fonts, sizes, and styles.
- Icons/Images: Insert pre-loaded icons or upload your own images.
- 바코드/QR 코드: 표준 바코드와 QR 코드를 생성하고 인쇄합니다.
- 템플릿: Utilize pre-designed templates for common label types (e.g., address labels, product labels, thank you stickers).

Image: A display of diverse labels printed by the vretti 420B, showcasing its versatility for different shapes and purposes.
유지
정기적인 유지보수는 프린터의 수명 연장과 최적의 성능을 보장합니다.
- 프린트 헤드 청소: Use an alcohol wipe to gently clean the print head if print quality degrades or lines appear. Ensure the printer is off and cooled down before cleaning.
- 플래튼 롤러 청소: Regularly clean the rubber roller to prevent dust and adhesive residue buildup, which can affect feeding.
- 저장: 프린터는 직사광선과 극한 온도 변화를 피해 깨끗하고 건조한 곳에 보관하십시오.
- 라벨 품질: 고품질 감열 라벨을 사용하여 프린트 헤드의 손상을 방지하고 선명한 인쇄물을 얻으십시오.
문제 해결
일반적으로 발생할 수 있는 문제에 대한 해결책은 다음과 같습니다.
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| Blank Labels | Labels loaded incorrectly (printable side down). | Ensure thermal labels are placed with the printed side facing up. |
| Poor Print Quality (faint/unscannable) | Low print density, dirty print head, or low-quality labels. | Increase print density in settings. Clean the print head with an alcohol wipe. Use recommended thermal labels. |
| 프린터가 응답하지 않음 | Loose cable connection, incorrect driver, or Bluetooth not paired. | Check all cable connections. Reinstall printer driver. Ensure Bluetooth is correctly paired in the app. |
| 라벨이 제대로 부착되지 않음 | Incorrect label size setting, misaligned guides, or label jam. | Verify label size settings in the app/driver. Adjust label guides. Clear any jammed labels. |
명세서
- 모델: 420B
- 상표: 브레티
- 인쇄 기술: 열의
- 연결성: 블루투스, USB
- 인쇄 해상도: 203 dpi (black and white)
- 최대 인쇄 속도(흑백): 72 labels/minute (152mm/s)
- 최대 미디어 크기: 4 x 6 인치
- Supported Label Width: 25.4mm - 115mm (0.78 - 4.6인치)
- 제품 크기: 21 x 17 x 15cm; 2.09kg
- 특별 기능: High Speed Printing, Adjustable Width, Versatile Media Support, Multi-Platform Compatibility, Automatic Label Detection.
보증 및 지원
For warranty information or technical assistance, please refer to the contact details provided in your Quick Start Guide or visit the official vretti website. Ensure you have your product model number (420B) and purchase details ready when contacting support.
연락처 정보:
- 이메일: support@vretti.com
- Web대지: www.vretti.com