8 Unpack the replacement black and color imaging kit.
Leave the packaging on the developer units.
9 Gently shake the yellow, cyan, magenta, and black developer units side to side.
10 Remove the red shipping cover from the yellow, cyan, magenta, and black developer units.
11 Insert the yellow, cyan, magenta, and black developer units.
12 Place the used black and color imaging kit in the enclosed package.
Maintaining the printer 192