HP Guide
RC1-8443-000CN
is compatible in the following HP Models:
HP LaserJet P1100 Printer series
HP LASERJET PRO P1102 PRINTER - CE651A
HP LaserJet 3000mfp/All-in-One Printer series
HP LASERJET 3050 ALL-IN-ONE PRINTER - Q6504A
HP LASERJET 3050 ALL-IN-ONE PRINTER - Q6504AR