Uvod
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 izdelkaview
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.
Ključne značilnosti:
- Bluetooth povezljivost: Print wirelessly from Android, iPhone, iPad, and Windows devices. (Note: Mac OS devices are not supported via Bluetooth).
- Hitro tiskanje: 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.
- Združljivost z več 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.
- Ink-Free Thermal Printing: Utilizes thermal printing technology, eliminating the need for ink cartridges or toner.
- Samodejno zaznavanje etiket: 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.
Nastavitev
1. Razpakiranje in komponente
Carefully unpack the printer and verify that all components are present:
- vretti 420B Thermal Label Printer
- Napajalnik in napajalni kabel
- USB kabel
- Vodnik za hiter začetek
- Varnostni vodnik
- Sample Oznake
- 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. Fizična povezava
- Priključite napajalnik v napajalna vrata tiskalnika.
- Priključite napajalni kabel v stensko vtičnico.
- For USB connection, connect one end of the USB cable to the printer and the other end to your computer.
- Turn on the printer using the power switch located at the back.

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 webspletno mesto. Za dokončanje namestitve sledite navodilom na zaslonu.
- Visit the vretti label printers official webmesto.
- Locate and download the driver for Model 420B compatible with your operating system.
- Zaženite namestitveni program in sledite navodilom.
4. Mobile App Installation (for Bluetooth Printing)
For printing from Android, iPhone, or iPad devices via Bluetooth, install the dedicated mobile application:
- Za Android: Iskanje "4barcode Edit" in the Google Play Store.
- Za iPhone/iPad: Iskanje "4barlabel" in the Apple App Store.
- Namestite aplikacijo na svojo napravo.

Image: A smartphone screen showing the "4barcode" app available on Google Play and the App Store, with the vretti printer connected wirelessly.
Navodila za uporabo
1. Nalaganje oznak
- Odprite pokrov tiskalnika.
- Adjust the movable guides to match the width of your labels.
- Insert the thermal labels into the printer with the printable side facing up. Ensure the labels are fed smoothly and correctly.
- Close the printer cover. The printer will automatically detect and calibrate the label size.

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.
- Odprite dokument ali sliko, ki jo želite natisniti.
- Select the vretti 420B printer from your printer options.
- Adjust print settings (e.g., label size, orientation, copies) as needed.
- Začnite tiskalniški posel.
3. Printing via Bluetooth (Android/iPhone/iPad)
- Prepričajte se, da je Bluetooth omogočen na vaši mobilni napravi.
- 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).
- Dotaknite se »Natisni«, da pošljete opravilo tiskalniku.

Image: The vretti 420B printer in action, producing a shipping label, while a smartphone shows the connected mobile application.
4. Prilagajanje oznak
The mobile application provides extensive customization options:
- Besedilo: Add and format text with various fonts, sizes, and styles.
- Icons/Images: Insert pre-loaded icons or upload your own images.
- Črtne kode/QR kode: Ustvarite in natisnite standardne črtne kode in QR kode.
- Predloge: 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.
Vzdrževanje
Redno vzdrževanje zagotavlja dolgo življenjsko dobo in optimalno delovanje vašega tiskalnika.
- Čiščenje tiskalne glave: 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.
- Čiščenje tiskalnega valja: Regularly clean the rubber roller to prevent dust and adhesive residue buildup, which can affect feeding.
- Shranjevanje: Store the printer in a clean, dry environment away from direct sunlight and extreme temperatures.
- Kakovost etikete: Use high-quality thermal labels to prevent damage to the print head and ensure clear prints.
Odpravljanje težav
Tukaj so rešitve za pogoste težave, na katere lahko naletite:
| Težava | Možen vzrok | rešitev |
|---|---|---|
| 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. |
| Tiskalnik se ne odziva | Loose cable connection, incorrect driver, or Bluetooth not paired. | Check all cable connections. Reinstall printer driver. Ensure Bluetooth is correctly paired in the app. |
| Nalepke se ne podajajo pravilno | Incorrect label size setting, misaligned guides, or label jam. | Verify label size settings in the app/driver. Adjust label guides. Clear any jammed labels. |
Specifikacije
- Model: 420B
- Znamka: vretti
- Tehnologija tiskanja: Toplotna
- Povezljivost: Bluetooth, USB
- Ločljivost tiskanja: 203 dpi (black and white)
- Največja hitrost tiskanja (enobarvno): 72 labels/minute (152mm/s)
- Največja velikost medija: 4 x 6 palcev
- Supported Label Width: 25.4 mm - 115 mm (0.78 - 4.6 palca)
- Dimenzije izdelka: 21 x 17 x 15 cm; 2.09 kg
- Posebne lastnosti: High Speed Printing, Adjustable Width, Versatile Media Support, Multi-Platform Compatibility, Automatic Label Detection.
Garancija in 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.
Kontaktni podatki:
- E-pošta: support@vretti.com
- Webspletno mesto: www.vretti.com