Used 
OEM Print Engine 110PAX4 - 203 dpi 112EL3E-00002

110PAX4 Zebra industrial OEM Print Engine, Left-hand, thermal transfer printing, 203 dpi, 4" max print width, ZPL, Ethernet 10/100 (in lieu of parallel), Memory socket board for PCMCIA and Flash Cards, 64MB Flash, 5V I/O Applicator Interface Card.