This black and color imaging kit includes a photoconductor unit and one each of the photodeveloper unit for black cyan magenta and yellow its yield is up to 30 000 pages based on an average of 3 pages per job and approximately 5 coverage per color yields may vary based on customer usage compatible with lexmark c540 laser printer lexmark c540n laser printer lexmark c543 laser printer lexmark c543dn laser printer lexmark c544dn laser printer lexmark c544dtn laser printer lexmark c544dw la