The rugged 4-inch industrial thermal transfer printer designed for demanding on-site labeling applications. The M84Pro is built for reliability and precision, offering flexible media handling, user-programmable settings via front panel controls and DIP switches, and native support for all major barcodes and multiple built-in fonts – delivering consistent, high-quality output across a wide range of environments.
Heavy-duty metal construction built for harsh, high-demand environments
Proven reliable performance in continuous-use industrial applications
Durable components engineered for long service life
Ideal for warehouses, manufacturing and production lines
High-Resolution Printing
Available in 203, 305, or 609 dpi (printhead dependent)
Produces sharp barcodes, fine text and detailed graphics
Suitable for compliance, identification and precision label work
Maintains consistent print quality at high speeds
Fast & High-Performance
RISC-based CPU delivers print speeds of up to 10 inches per second
Handles large batch jobs with minimal slowdown
Designed for continuous, uninterrupted printing cycles
Supports high-volume label production with industrial durability
Flexible Connectivity
Parallel, RS-232, USB and Ethernet interfaces for easy integration
Print directly from Windows® applications
Suitable for enterprise and legacy environments
Method
Direct Thermal or Thermal Transfer
Mode
Continuous, Tear-off & Cutter/Dispenser
Resolution
305 dpi (12 dots/mm)
Speed
8 ips (200 mm/sec)
Print area
Maximum width: 4.1″ (104 mm)
Maximum length: 32.8″ (833 mm)
Minimum length: 0.24″ (6 mm) – Continuous / 0.63″ (16 mm) – Tear off / 1.18″ (30 mm) – Cutter/Dispenser
Sensor type
Adjustable transmissive sensor for gap, Reflective sensor for black mark, Automatic, Programmable top of form, Label present sensor (opt. w/dispenser), Ribbon-out sensor
Media type
Roll-fed or fanfold, die-cut or continuous direct thermal (thermal transfer) labels, synthetics, and tag stock with or without black mark, gap, or notch
Media width
Maximum 5″ (128 mm) / Minimum 0.87″ (22 mm)
Media specs
Caliper Maximum 0.01″ (0.25 mm) Roll diameter Maximum 8.6″ (218 mm) Wind
Face-in
Maximum ribbon size
4.4″ (111 mm) W x 1475′ (450 m) L – Face In
SATO genuine consumables
For maximum print quality and optimum use, SATO recommends the use of SATO genuine consumables
Fonts
Bitmap – 12 proportional, mono-spaced and outline fonts (Code table 858), Scalable Internal CG Triumvirate® and CG Times® Fonts, Optional Downloaded TrueType® fonts, scalable from 8 to 72 points
360° rotation of barcodes and text, horizontal and vertical character expansion, sequential numbering and form overlay for high-speed editing of complex formats
Plug-in interface
Serial – RS232 (up to 57.6k bps), Parallel – IEEE1284 (ECP), Ethernet – 10/100BaseT, Twinax/Coax, RS422/485, USB (Factory Installed)
Standard
16 MB RAM, 2 MB Flash
Optional
4 MB Flash, 1 MB or 256 K PCMCIA
Processor
32-BIT RISC
Graphic
Printing and storage of *.PCX, *.BMP format, SATO Hex/binary