SL4M RFID Printer

The SL4M is the price-performance leader of the Printronix SmartLine series of RFID printers for industrial and commercial applications. Based on the Printronix reputation for reliability, durability, and dependability, the SL4M uses the same MP2 encoding technology and PSA3 advanced electronic architecture found in the high performance SL5000r printer and SLPA8000r high speed printer applicator. It builds upon Printronix growing leadership and established RFID ecosystem to support manufacturers, retailers and government agencies seeking to improve their supply chain management with RFID technology.



  • 4-inch thermal transfer or direct thermal, industrial and commercial grade printer

  • MP2 RFID Smart Encoding Technology

  • Gen 2 hardware certified UHF RFID encoder

  • Multi-position RF coupler and Advanced Printer Encoder Firmware

  • Configured to approved global frequency standards and supports EPCglobal Class 1, Gen 2 standards

  • Includes PrintNet 10/100 Base-T Ethernet with Serial, Parallel and USB 2.0

  • Rugged metal construction

  • Snap-in and upgradeable print heads

  • 32MB DRAM, 8MB Flash

  • Large graphic user interface and color coded user cues

  • Adjustable dual transmissive and reflective sensors with auto-calibration

  • Embedded Printer Language Support including Printronix, Zebra, TEC, Sato, Intermec and Datamax

  • XML enabled printing and XML based remote management via PXML

  • PrintNet remote management

  • Media Counter and Ribbon Life Indicator


True Gen 2 RFID Printing

Printronix's patented MP2 radio frequency identification (RFID) Smart encoding technology is the industry's first designed specifically to EPCglobalTM Class 1 Gen 2 encoding specifications. The SmartLine family of RFID printers leverages this technology in the SL4M MP2 and SL5000r MP2 RFID printers along with the SLPA8000r MP2 label applicator becoming the first mid-range and high performance RFID printers and RFID printer applicator families designed to Gen 2 encoding specifications.

Printronix MP2 printers:

  • Support the widest range of Gen 2 tags with the SL4M MP2, while the SL5000r MP2 and SLPA8000r MP2 also offer additional support for the legacy Class 0, 0+, 1 and Philips UCode 1.19 protocols.
  • Can switch frequencies with regional upgrade kits for global compliance.
  • Give users a migration path to tomorrow's technology.
  • Includes an EPCglobal certified hardware reader giving users the peace of mind that the printer/encoder is fully compatible with other certifed products, including tags and portal readers.
  • Are the most advanced XML-based RFID print and control platforms on the market with real-time XML printer and job control along with XML forms printing and EPC encoding.
  • Feature Unicode with TrueType font support for worldwide compliance requirements and local printing needs.