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SATO PART #: WM8430031

Thermal Printer SATO M84Pro, 305 dpi, RS-232

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.

  • Print resolution: 203 dpi
  • Print method: Direct Thermal or Thermal Transfer
  • Communication interface: Serial (RS-232)
  • Max print speed: 8 ips
  • Max print width: 4.1"
  • Max print length: 32.8"

See full specifications

Price: $3,203.25$4,271.00
Save $1,067.75
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Added value

  • Best value/price ratio in the market among competitive products
  • FREE shipping and low expedited shipping rates

Added value

  • Best value/price ratio in the market among competitive products
  • FREE shipping and low expedited shipping rates

Added value

  • Best value/price ratio in the market among competitive products

Added value

  • Best value/price ratio in the market among competitive products
  • FREE shipping and low expedited shipping rates

Added value

  • Best value/price ratio in the market among competitive products
  • FREE shipping and low expedited shipping rates

Why choose SATO consumables?

  • Engineered for perfect compatibility with SATO printers
  • Made with high-quality materials and strict quality control
  • Rigorously tested for sharp, consistent prints
  • Trusted by leading businesses worldwide

Customize your printer configuration

This item is configured to match the part # listed above. If you change any option below, part # will change accordingly.

Choose a printer resolution

Choose media handling

Choose a communication interface

$3,203.25 | Part #: WM8430031
$3,203.25$4,271.00/ as configured
SATO part #: WM8430031
Thermal Printer SATO M84Pro, 305 dpi, RS-232
FREE shipping
m84pro thermal printer

Rugged Industrial Design

  • 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
m84pro thermal printer resolutions

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
m84pro thermal printer label

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
m84pro thermal printer label

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
Barcodes Linear
UPC-A, UPC-E, EAN-8, EAN-13, Code 39, Code 93, Code 128, Codabar, MSI, Bookland, Industrial 2/5, Interleaved 2/5, Matrix 2/5, Postnet™, GS1-128, GS1-DataBar™)
2-D
PDF417, Micro PDF417, Truncated PDF417, Maxicode™, Data Matrix, QR Code, Composite Symbology
Formatting 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
Software Windows® Drivers, Label Software

Electrical requirements 115V/220V (± 10%), 50/60 Hz (± 1%) – Jumper switch required
Agency certifications CE, UL, CSA, TÜV
Environment Operating: 41° to 104°F (5° to 40°C), 15-85% RH, non-condensing
Storage: 23° to 140°F (-5° to 60°C), Maximum 90% RH, non-condensing
EDS: 8kV

Dimensions 10.4″ (265 mm) W x 17.1″ (435 mm) D x 13.4″ (341 mm) H
Weight 39.7 lbs (18 kg)

Optional features Label Cutter, Label Dispenser, External Label Rewinder, Memory Expansion, Real Time Clock, Plug-In Interface

Applications

  • Compliance labeling
  • PCB labeling
  • Component marking
  • Ticketing
  • Retail labeling
  • Shipping & receiving
  • Asset tracking
  • Warehouse management