Olivetti Maintenance kit. Ensures lasting, quality use. Keeps printing precise. Designed for 3500MF and 4500 machines. Print yield: 600,000 pages. OEM: B0988.Compatible Printers: Olivetti D-Copia 5500 MF Plus, Olivetti D-Copia 3500 MF, Olivetti D-Copia 5500 MF, Copystar CS 4500 i, Olivetti D-Copia 3500 MF Plus, Olivetti D-Copia 4500 MF, Olivetti D-Copia 4500 MF Plus, Copystar CS 3500 i, Copystar CS 5500 i, Copystar CS 4501 i, Copystar CS 5501 i, Copystar CS 3501 i, Kyocera TASKalfa 3501 i, Kyocera TASKalfa 3500 i, Kyocera TASKalfa 4501 i, Kyocera TASKalfa 5501 i, Kyocera TASKalfa 4500 i, Kyocera TASKalfa 5500 i