An inkjet printing system is described herein. In an implementation, the inkjet printing system includes a fixer dispensing unit for applying a fixer composition on a substrate and an ink dispensing unit for applying an ink composition on the substrate. The fixer composition includes a metal salt in a range of about 5% to 10% by weight. Further, the ink composition includes a liquid vehicle having a non-volatile organic solvent, a colorant dispersed in the liquid vehicle, and a latex binder dispersed in the liquid vehicle.