The lexmark c540x33g photodeveloper unit contains magenta which adds a whole range of colour to your prints resulting in more vivid images and higher resolution pictures made to be durable the lexmark 0c540x33g photodeveloper unit is long lasting which ensures you can keep on printing for an extended period of time with no worry or fuss the lexmark 0c540x33g photodeveloper unit is also extremely easy to install and only takes a matter of minutes to replace so when you try to change your lexma