Application Guide
Passion – Results – Integrity 
SL4M STANDARD PITCH 
THERMAL BAR CODE PRINTERS 
44 
The SL4M is the price-performance leader of the Printronix 
SmartLine  series  of  UHF  RFID  printers-  encoders  for 
industrial and commercial applications. This cost-effective 
smart  label  printer  is  designed  for  businesses  seeking  the 
most  economical  solution  for  developing  an  RFID  enabled 
supply chain. 
With  its  heavy-duty  industrial  design,  the  SL4M  delivers 
reliable  performance  for  challenging  applications  and 
environments, in a cost-effective solution. The SL4M’s PSA3 
architecture  provides  the  same  leading-edge  enterprise 
printing solutions 
and  connectivity  as  the  rest  of  the  Printronix  product 
portfolio.  The  SL4M’s  rugged  design,  build  quality,  and 
reliable  performance  make  its  Printronix  heritage 
unmistakable. 
The  SL4M  is  a  4”  Thermal  transfer  or  direct  thermal, 
industrial and commercial grade RFID printer. 
The  RFID  SL4M  printer  includes  Printronix  industry  leading 
MP2 RFID Smart encoding technology 
(Gen 2 hardware certified UHF RFID encoder) 
and supports EPCglobal Class 1, Gen 2 standards. 
Model 
Printable Width 
(inches) 
Dots Per
Inch (dpi)
Inches Per 
Second 
(ips) 
SL4M2
4.1” max (104 mm)
  203  10 
SL4M3
4.1” max (104 mm)
  305  10 
PRINTER OVERVIEW 
Printronix T5000r & T5000e Thermal Transfer Printers 
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