It is recommended that the maintanance kit be installed every 85,000 pages (based on an average of 3 pages per job and approximately 5% print coverage per colour) to maintain the print quality and reliability of the device.Compatible Printers: Lexmark CS 410 dtn, Lexmark CX 410 dte, Lexmark CS 510 de, Lexmark CS 410 n, Lexmark CX 510 dhe, Lexmark CS 310 n, Lexmark CX 410 de, Lexmark CX 310 dn, Lexmark CX 510 de, Lexmark CX 510 dthe, Lexmark CX 310 n, Lexmark CS 510 dte, Lexmark CS 410 dn, Lexmark CS 310 dn, Lexmark CX 410 e
