Compatible with | Troy models: 4200, 4200 Secure, 4200 Secure EX, 4250, 4300, 4350; HP models: LaserJet: 4200, 4200dtn, 4200dtns, 4200dtnsL, 4200L, 4200Ln, 4200Lvn, 4200n, 4200tn, 4240, 4240n, 4250, 4250dtn, 4250dtns, 4250n, 4250tn, 4300, 4300dtn, 4300dtns, 4300n, 4300tn, 4350, 4350dtn, 4350dtns, 4350n, 4350tn |