Zavedení
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.
Konec produktuview
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.
Klíčové vlastnosti:
- Bluetooth připojení: Print wirelessly from Android, iPhone, iPad, and Windows devices. (Note: Mac OS devices are not supported via Bluetooth).
- Vysokorychlostní tisk: Capable of printing up to 75 labels per minute (152mm/s) at 203 dpi resolution for clear black and white text and images.
- Versatile Media Support: 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.
- Kompatibilita s více platformami: 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.
- Bezinkoustový termální tisk: Utilizes thermal printing technology, eliminating the need for ink cartridges or toner.
- Automatická detekce štítků: 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.
Nastavení
1. Vybalení a komponenty
Carefully unpack the printer and verify that all components are present:
- vretti 420B Thermal Label Printer
- Napájecí adaptér a napájecí kabel
- USB kabel
- Rychlý průvodce
- Bezpečnostní průvodce
- Sample Labels
- 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. Fyzické připojení
- Připojte napájecí adaptér k napájecímu portu tiskárny.
- Zapojte napájecí kabel do zásuvky ve zdi.
- For USB connection, connect one end of the USB cable to the printer and the other end to your computer.
- Zapněte tiskárnu pomocí vypínače umístěného na zadní straně.

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 webwebu. Dokončete instalaci podle pokynů na obrazovce.
- Visit the vretti label printers official webmísto.
- Locate and download the driver for Model 420B compatible with your operating system.
- Spusťte instalační program a postupujte podle pokynů.
4. Mobile App Installation (for Bluetooth Printing)
For printing from Android, iPhone, or iPad devices via Bluetooth, install the dedicated mobile application:
- Pro Android: Hledat "4barcode Edit" in the Google Play Store.
- Pro iPhone/iPad: Hledat "4barlabel" in the Apple App Store.
- Nainstalujte aplikaci do svého zařízení.

Image: A smartphone screen showing the "4barcode" app available on Google Play and the App Store, with the vretti printer connected wirelessly.
Návod k obsluze
1. Načítání štítků
- Otevřete kryt tiskárny.
- Upravte pohyblivé vodítka tak, aby odpovídala šířce vašich štítků.
- Insert the thermal labels into the printer with the printable side facing up. Ensure the labels are fed smoothly and correctly.
- Zavřete kryt tiskárny. Tiskárna automaticky detekuje a kalibruje velikost štítku.

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.
- Otevřete dokument nebo obrázek, který chcete vytisknout.
- Select the vretti 420B printer from your printer options.
- Adjust print settings (e.g., label size, orientation, copies) as needed.
- Spusťte tiskovou úlohu.
3. Printing via Bluetooth (Android/iPhone/iPad)
- Ujistěte se, že je na vašem mobilním zařízení povoleno Bluetooth.
- 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).
- Klepnutím na tlačítko „Tisk“ odešlete úlohu do tiskárny.

Image: The vretti 420B printer in action, producing a shipping label, while a smartphone shows the connected mobile application.
4. Customizing Labels
The mobile application provides extensive customization options:
- Text: Add and format text with various fonts, sizes, and styles.
- Icons/Images: Insert pre-loaded icons or upload your own images.
- Čárové kódy/QR kódy: Generujte a tiskněte standardní čárové kódy a QR kódy.
- Šablony: 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.
Údržba
Pravidelná údržba zajišťuje dlouhou životnost a optimální výkon vaší tiskárny.
- Čištění tiskové hlavy: 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.
- Čištění tiskového válce: Regularly clean the rubber roller to prevent dust and adhesive residue buildup, which can affect feeding.
- Skladování: Tiskárnu skladujte v čistém a suchém prostředí mimo dosah přímého slunečního záření a extrémních teplot.
- Kvalita štítku: Use high-quality thermal labels to prevent damage to the print head and ensure clear prints.
Odstraňování problémů
Zde jsou řešení běžných problémů, se kterými se můžete setkat:
| Problém | Možná příčina | Řešení |
|---|---|---|
| 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. |
| Tiskárna nereaguje | Loose cable connection, incorrect driver, or Bluetooth not paired. | Check all cable connections. Reinstall printer driver. Ensure Bluetooth is correctly paired in the app. |
| Štítky se nepodávají správně | Incorrect label size setting, misaligned guides, or label jam. | Verify label size settings in the app/driver. Adjust label guides. Clear any jammed labels. |
Specifikace
- Model: 420B
- Značka: vretti
- Technologie tisku: Tepelný
- Konektivita: Bluetooth, USB
- Rozlišení tisku: 203 dpi (black and white)
- Maximální rychlost tisku (černobíle): 72 labels/minute (152mm/s)
- Maximální velikost média: 4 x 6 palce
- Supported Label Width: 25.4 mm - 115 mm (0.78 - 4.6 palce)
- Rozměry produktu: 21 x 17 x 15 cm; 2.09 kg
- Speciální vlastnosti: High Speed Printing, Adjustable Width, Versatile Media Support, Multi-Platform Compatibility, Automatic Label Detection.
Záruka a podpora
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.
Kontaktní údaje:
- E-mail: support@vretti.com
- Webmísto: www.vretti.com