“two things would be very helpful to those who are not computer geeks in installing the package
1. Color coding on the top of the cartridges boxes in order to know what the color of the toner cartridge is instead of a TINY colored dot on the side of the toner box
2. Simple (pictorial) instructions on how and what to remove from the new cartridge before installing it (for those of us who are not computer geeks)”
“After receiving a toner cartridge, the HP printer keeps cranking inside whil displaying "calibrating ..." and stops after a while. Unable to print a page.”
