Toner and developer compositions

A toner composition comprised of resin, colorant, a charge enhancing additive selected from the group consisting of zinc acetate, aluminum acetate, aluminum carbonate, aluminum phosphate, zinc sulfate, zinc carbonate, zinc nitrate, titanium sulfate, titanium acetate, chromium (III) acetate, chromium (III) sulfate, chromium (III) carbonate, magnesium carbonate, magnesium phosphate, magnesium sulfate, magnesium nitrate, cerium carbonate, cerium phosphate, cerium sulfate, cerium nitrate, cobalt carbonate, cobalt phosphate, cobalt sulfate, cobalt nitrate, tin carbonate, tin phosphate, tin sulfate, tin nitrate, ammonium phosphate, ammonium carbonate, and ammonium sulfate;

• a wax selected from the group consisting of polypropylene, polyethylene, and mixtures thereof;
• and present on the toner surface thereof external flow aid additives.

A single component toner composition comprised of resin, magnetite, and a charge enhancing additive comprised of a complex of a hard acid and a hard base wherein said charge enhancing additive is present as an internal component, and wherein said charge additive is selected from the group consisting of zinc acetate, aluminum acetate, aluminum carbonate, aluminum phosphate, zinc sulfate, zinc carbonate, zinc nitrate, titanium sulfate, titanium acetate, chromium (III) acetate, chromium (III) sulfate, chromium (III) carbonate, magnesium carbonate, magnesium phosphate, magnesium sulfate, magnesium nitrate, cerium carbonate, cerium phosphate, cerium sulfate, cerium nitrate, cobalt carbonate, cobalt phosphate, cobalt sulfate, cobalt nitrate, tin carbonate, tin phosphate, tin sulfate, tin nitrate, ammonium phosphate, ammonium carbonate, and ammonium sulfate.

A toner composition comprised of resin, colorant, and a charge enhancing additive that primarily functions to assist in increasing the charge on said toner, and wherein said charge enhancing additive is a zinc acetate dihydrate, and which toner optionally further includes a wax, a second charging enhancing additive and as a surface additive a silica, a metal salt of a fatty acid or a metal salt.