Unizen Pocket Printer

Unizen developed COLOP e-mark makes printing in colour directly on any absorbent surface possible, with just a simple sideways swipe of the device. Our mobile printer is palm-sized, operated by an app, flexible and portable. For the cartridge we entered into a cooperation with HP Inkjet Technology, to ensure the best possible performance and imprint quality.


  • Native Printing Technology: ½” Tricolor Thermal Ink Jet print head from HP SPS.
  • PrintHead: One pen, disposable, 1026 jets.
  • Print Resolution: 600 dpi.
  • Print Capacity: 5000 imprints.
  • Print Speed max: up to 300 mm/sec.
  • Ink: CMY pigment ink (k=composite).
  • Host Device : Smartphone, Tab or PC.
  • Supported Media Types: Plain Paper, Cardboard, Fabrics, Wood, Cork, Plaster board, Glossy Paper, Photo Paper, Metal, Matt finish.
  • File Format Support: BMP, PNG, JPEG, TIFF, GI etc.
  • Memory Capacity: 8 MB internal Flash Memory.
  • Core Technology: RMPT Lite. Prints directly on any surface with a sweeping hand movement.
  • Charger: 15 V wall mounted power adapter.
  • Charger Interface: 3.2mm DC-jack.
  • Main Data Interface: WiFi IEEE 802.11n.
  • Secondary Data Interface: Micro USB Type AB connector.
  • Dimensions (incl. Docking Station): 111.2 x 76.5 x 72.7 mm.
  • Maximum Imprint Size Output: ½” x 6” or 1” x 3” or 11/2” x 2”.
  • Net weight: 260 g
  • Box Components: Printer, Ink Cartridge, Charger Adaptor, Docking Station, Quick Setup Guide.
  • Mobile App: Android - Google Play IOS - App Store
  • Navigation Technology: Optical Sensor and IMU.
  • OS: RTOS.
  • Startup Time: 5 sec
  • Battery: 11.1 V Li-Pol rechargeable & replaceable with 500mAh.


  • Paper - Plain Paper, Cardboard, Smooth Paper, Gift Box, Stationery.
  • Logistics, Warehouse
  • Booking Counters – Airport, Hospital, Movie Hall, Hotels, Schools, Colleges.
  • Undersigning Signature with QR code authentication.
  • House Interior Design – wallpaper, Decor.
  • Artworks.
  • Edible ink can be used on Edible paper, Confectionary products, Cakes, Candy, Cookies, Sandwich, Biscuits, Cheese, Marshmallows, Wafers, Serving Plates.
  • Human skin – Tattoo, Pub, Amusement Parks, Live Sports Match, Private Parties, Game Shows, Events, Concerts, Marketing & Promotions
  • Plastic – Plastic Film and Sheets, Rubber & Leather Belts, Plastic Bottle, Mobile Covers, Wallets.
  • Apparels – Polo T-shirts, Jeans, Jackets, Sportees.
  • Wooden Plaque and Signages.

Save The Planet

COLOP e-mark is one of the first devices featuring RMPT technology. RMPT is the only viable technology path to build truly portable printing devices.

Using advanced software instead of hardware, RMPT opens the way for miniaturization, mechanical simplicity and a lack of electrical motors, thus making it an excellent choice for the environment:

Mobile App

Award Winning Product

The COLOP e-mark has been recognised by various award panels for its remarkable features, design and innovative qualities.

Among others, the e-mark won the coveted If Design Award and EOPA Product of the Year Award in 2020. In 2019, the same year of its arrival on the market, the e-mark received a Red Dot Honourable mention