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Case Coder, Little David Microjet HRP

Industrial grade high resolution inkjet printer

The Little David. MicroJet HRP is an industrial thermal ink jet printer designed for one and two line marking/coding applications. Utilising HP® technology, the MicroJet HRP offers superior ease of operation and quality of print combined with the industrial durability you expect from Little David.

The MicroJet HRP is the first in a series of industrial grade, high resolution thermal jet printers from Little David. This reliable jet printer is a low cost option for some high resolution marking/coding applications.

Performance and Design Features

Complete System

Printer is ready to run right out of the box. The unit comes with mounting bracketry,necessary cables and software.

Variable Character Heights

Prints a one line message in 11mm characters or two lines of 5.5mm.

Industrial Design

Stainless steel faceplate and sealed printhead ensure durability in the most demanding.

Quick/Easy Maintenance

Easy snap-in/snap-out method for changing ink - includes channel purge at the printhead.

  • Prints characters up to 11mm tall
  • Prints one or two lines
  • Prints UPC-A bar codes and alphanumerics
  • Sealed industrial printhead
  • Hinged cover provides easy access to ink cartridge
  • Easy snap-in/snap-out method for changing ink
  • Stainless steel faceplate with built-in photo sensors to detect product speed and direction
  • Channel purge at the printhead
  • Industrial DB-9 serial connection
  • In/out port for daisy chaining
Case Coder, Microjet 1

  hp logo The Microjet MRP utilises hp inkjet technology


Little David Microjet HRP case coder specifications

Type HP Thermal Ink Jet
Print Speed Up to 61 Mps
Print Lines 1 or 2 lines
Orientation Side or top-down printing
Product Sensing Integrated photoeyes
Print Resolution 300 dpi vertical resolution
Ink Throw Distance Up to 6.35mm
Communication Interface RS232C
Controller Options
Enclosures Moulded plastic
User Interface 40-key terminal, graphics display
Communication Ports RS232C
Connectivity None
Auto Codes

Time, Date, Sell By, Julian Date, Rollover, Time, Count.

Memory Up to 500 messages
Ink Supply
Printer will only function properly while using Genuine Little David Ink
Microjet hrp ink cartridge.jpg
Ink Colours Black, Red, Green, Blue, Yellow, UV Invisible and Non-Porous
Optional Hand-Held Terminal
Allows user to upload messages without bringing Laptop onto the production floor
  • Rugged Design
  • Industrial Grade Hardware
  • 2 Mbyts Flash Memory and 16 Mbyts RAM
HRP Printing System
Microjet HRP Hand Held Terminal