Works in the following printers:i-SENSYS LBP7100, i-SENSYS LBP7100Cn, i-SENSYS LBP7110, i-SENSYS LBP7110Cw, i-SENSYS MF623Cn, i-SENSYS MF628Cw, i-SENSYS MF8230Cn, i-SENSYS MF8280Cw