You may get this warning sign when printing."Installing inkjet cartridge different from original cartridge may cause different printout.Do you still want to continue?"Click"yes"and carry on with your normal procedure.This maneuver would not affect your printer and printing.
Owing to the fact that the utility features of the printer itself are designed to concert with those of the cartridge,you may find one or more messages with"Unknown" after you install the compatible cartridge.This is cause by the different data input on the chipset,and it would not have impact on the normal operation of your printer and printing effect.