Zebra 5100 Resin - Print ink ribbon refill (thermal transfer) - 1 x black - 4.3 in x 1480 ft - for Zebra R-140, R4Mplus, S4M; PAX 110, 170, R110; Xi Series 110, 140, 170, 220, R110 (05100BK11045) at TigerDirect.com
Using Color Ribbons on an S4M Printer
Premium Resin Enhanced Wax Barcode Ribbon, Box of 12 Compatible with Zebra S4M (98750)
Zebra S4M Maintenance Spare Parts Replacement MPI zebra distributor