A thermal transfer wax/resin ink formulation for printing bar codes on Zebra coated paper. Provides a clear image under harsh conditions. Prints at speeds up to 6 inches per second. Compatible printers:105SL, 110PAX4, 110XiIIIPlus, 140XiIIIPlus, 170PAX4, 170XiIIIPlus, R110Xi, R4Mplus, S4M, ZM400, ZM600, 105S, 105Se, 110PAX3, 140Xi, 140XiII, 140XiIII, 160S, 170PAX, 170PAX3, 170Xi, 170XiII, 170XiIII, 90Xi, 90XiII, 90XiIII, 90XiIIIPlus, 96XiIII, 96XiIIIPlus, R-140, R110PAX3, S300, S400, S500, S600, Z4000, Z4M, Z4Mplus, Z6000, Z6M, Z6Mplus.