Ro-ràdh
Thank you for choosing the vretti PB821 Portable Thermal Printer. This compact and versatile device is designed for convenient, inkless printing from various devices, including smartphones, tablets, and laptops. Its portability makes it ideal for business, office, home, and travel use. This manual provides essential information on setting up, operating, maintaining, and troubleshooting your printer to ensure optimal performance.

Image: The vretti PB821 Portable Thermal Printer, a sleek black device, ready for use.
Susbaint pacaid
Thoir sùil air susbaint a’ phacaid nuair a dh’fhosglas tu am bogsa gus dèanamh cinnteach gu bheil a h-uile rud ann:
- vretti PB821 Portable Thermal Printer
- 1 Roll of Thermal Paper
- Càball cosgais USB-C
- Leabhar-làimhe cleachdaiche
Bathar seachadview
Prìomh fheartan
- Clò-bhualadh Bluetooth gun uèir: Connects wirelessly to phones and tablets via the "XLifePro" app.
- So-ghiùlain agus Compact: Small and lightweight design for easy transport.
- Cost-effective Inkless Printing: Utilizes advanced thermal printing technology, eliminating the need for ink, toner, or ribbons.
- High-quality Printing: Delivers clear prints with a 203 DPI resolution.
- Bataraidh maireannach: Built-in 1500mAh rechargeable battery supports printing up to 223 A4 sheets on a full charge.
- Multi-size Paper Support: Compatible with A5, A4, Letter, and 2-4 inch labels.
Roghainnean ceangail

Image: The vretti PB821 printer supports both Bluetooth and USB connections for versatile use with Android, iOS, iPad, Windows, Mac OS, Linux, and Chromebook devices.
The vretti PB821 printer offers flexible connectivity, allowing you to print wirelessly via Bluetooth from mobile devices or directly via USB from computers. This ensures compatibility across various operating systems and devices.
Dealbhadh so-ghiùlain

Image: A visual comparison highlighting the compact and portable design of the vretti PB821 printer against a larger, traditional printer, emphasizing its convenience.
The PB821 is designed for maximum portability, making it easy to carry in a backpack or bag. Its compact form factor does not compromise on functionality, offering easy setup and smooth, inkless printing.
Suidhich
1. Cosgais Tùsail
Before first use, fully charge the printer using the provided USB-C cable. Connect the cable to the printer's USB-C port and a compatible power adapter (not included) or computer USB port. The charging indicator light will show the charging status.

Image: Visual representation of the printer's 1500mAh battery capacity, USB-C charging, and its ability to print up to 223 A4 sheets on a single charge.
2. A’ luchdadh pàipear teirmeach
The vretti PB821 supports various thermal paper types. To load paper:
- Open the printer's paper cover.
- Insert the thermal paper with the printable side facing up. Ensure the paper is aligned correctly within the guides.
- Dùin an còmhdach pàipeir gu tèarainte.

Image: The vretti PB821 printer showcasing its compatibility with different thermal paper types, including folding thermal paper and roll paper, along with various paper sizes.
3. A’ ceangal tro Bluetooth (Innealan Gluasadach)
To print wirelessly from your smartphone or tablet:
- Download the "XLifePro" app from the App Store (iOS) or Google Play Store (Android).
- Turn on the vretti PB821 printer. The Bluetooth indicator light will blink.
- Open the XLifePro app, navigate to the device connection settings, and select the PB821 printer from the list of available Bluetooth devices.
- Cho luath ‘s a bhios e ceangailte, bidh solas comharrachaidh Bluetooth a’ tionndadh gu daingeann.

Image: Step-by-step guide on connecting the vretti PB821 printer via Bluetooth, including downloading the XLifePro app and pairing the device.
4. Connecting via USB (Computers)
To print from your Windows, Mac OS, or Linux computer:
- Download the appropriate printer driver from the official vretti weblàrach: vrettitech.com/pages/p83-support.
- Install the driver on your computer following the on-screen instructions.
- Connect the vretti PB821 printer to your computer using the provided USB-C cable.
- The computer should recognize the printer, and you can now select it as your printing device.

Image: Instructions for USB connection, detailing driver download from the vretti website and connecting the PB821 printer to a laptop.
Stiùireadh Obrachaidh
Printing from Mobile Devices
Aon uair 's gu bheil e ceangailte tro Bluetooth:
- Open the document, image, or file you wish to print within the XLifePro app. The app supports various formats including TXT, PDF, Excel, and Word documents.
- Tagh an roghainn clò-bhualaidh taobh a-staigh an aplacaid.
- Confirm print settings such as paper size and quantity.
- Initiate printing.
Printing from Computers
Once connected via USB and drivers are installed:
- Fosgail an sgrìobhainn no file tha thu airson clò-bhualadh air a’ choimpiutair agad.
- Select the print option from your application (e.g., File > Clò-bhuail).
- Choose "vretti PB821" from the list of available printers.
- Atharraich roghainnean clò-bhualaidh mar a dh’fheumar (m.e., meud pàipeir, treòrachadh).
- Briog air “Clò-bhuail”.
Supported Paper Types and Sizes
The PB821 printer is compatible with various thermal paper types and sizes, including:
- A4 (210mm)
- Letter (8.5" x 11" / 216mm)
- A5 (148mm)
- B5 (175mm)
- 2-inch (53mm) labels
- 3-inch (80mm) labels
- 4-inch (110mm) labels

Image: The vretti PB821 printer demonstrating its support for multiple paper sizes, including standard document sizes and various label sizes.
Using the XLifePro App
The XLifePro app provides additional functionalities beyond basic printing, including:
- Access to multiple templates for creative printing.
- Options for document printing, picture printing, and more.
- Customization features for various printing needs.

Image: Screenshots of the XLifePro app interface, illustrating its diverse range of templates and printing options.
Cumail suas
A 'glanadh a' chlò-bhualadair
To maintain print quality and prolong the printer's lifespan:
- Ensure the printer is turned off and disconnected from power before cleaning.
- Cleachd clò bog, gun lint beagan dampened with water or isopropyl alcohol to gently wipe the print head and paper path.
- Na cleachd luchd-glanaidh sgudail no solventan.
- Allow the printer to dry completely before turning it on.
Cùram Bataraidh
Gus beatha bataraidh a mheudachadh:
- Seachain a bhith a’ leigeil às a’ bhataraidh gu tur gu tric.
- Stòraich am clò-bhualadair ann an àite fionnar, tioram nuair nach eilear ga chleachdadh airson ùine mhòr.
- Charge the printer regularly, even if not in frequent use, to prevent deep discharge.
Fuasgladh thrioblaidean
| Cùis | Adhbhar a dh’fhaodadh a bhith ann | Fuasgladh |
|---|---|---|
| Chan eil am clò-bhualadair a’ tionndadh air | Bataraidh ìosal; Putan cumhachd gun a bhith air a bhrùthadh gu ceart | Charge the printer; Press and hold the power button for a few seconds |
| Cha ghabh ceangal a dhèanamh tro Bluetooth | Bluetooth off on device; Printer not in pairing mode; App issue | Ensure Bluetooth is enabled; Restart printer; Reinstall XLifePro app |
| Càileachd clò dona | Low battery; Dirty print head; Incorrect paper type | Charge printer; Clean print head; Use recommended thermal paper |
| Suim pàipeir | Improper paper loading; Damaged paper | Turn off printer, carefully remove jammed paper, reload correctly; Use undamaged paper |
| Chan eil an coimpiutair ag aithneachadh a’ chlò-bhualadair | Missing/incorrect drivers; Faulty USB cable/port | Install/reinstall drivers from vretti website; Try a different USB cable/port |
Sònrachaidhean
| Feart | Mion-fhiosrachadh |
|---|---|
| Modail | PB821 |
| Brand | abair |
| Teicneòlas clò-bhualaidh | Teirmeach |
| Teicneòlas ceangail | Bluetooth, USB |
| Fuasgladh Clò-bhualaidh as àirde | 203 DPI (Black and White) |
| Meadhanan Clò-bhualaidh | Thermal Paper (plain) |
| Meudan Duilleagan a tha air an Taiceadh | 2'', 3'', 4'', A4, 8.5''x 11'' US Letter |
| Comas duilleag cuir a-steach as àirde | 30 duilleagan |
| Comas Bataraidh | 1500mAh (Lithium Ion) |
| Meudan toraidh | 25.7 x 7 x 4.7 cm |
| Cuideam nì | 900 g |
| Clò-bhualadh dà-thaobhach | Chan eil |
| Dath an inc | Dubh |
Barantas agus Taic
The vretti PB821 Portable Thermal Printer comes with a standard manufacturer's warranty. For specific warranty details, technical support, or service inquiries, please refer to the warranty card included in your package or visit the official vretti weblàrach. Cùm do chuidhteas ceannach mar dhearbhadh ceannach airson tagraidhean barantais.
Video toradh
Video: An official product video demonstrating the features and usage of the vretti PB821 Portable Thermal Printer, including its compact design, wireless connectivity, and printing capabilities.