These printers use the CE255A cartridge:
HP LaserJet P3011
HP LaserJet P3015
HP LaserJet P3015D
HP LaserJet P3015DN
HP LaserJet P3015N
HP LaserJet P3015X
HP LaserJet P3016
HP LaserJet Enterprise 500 MFP M525DN
HP LaserJet Enterprise 500 MFP M525F
HP LaserJet Enterprise P3010
HP LaserJet Enterprise P3015
HP LaserJet Enterprise P-3015 N
HP LaserJet Enterprise P3015D
HP LaserJet Enterprise P3015DN
HP LaserJet Enterprise P3015X
HP LaserJet Enterprise flow MFP M-525 C
HP LaserJet Pro MFP M-521 DW
Canon i SENSYS LBP 6750 DN 4
Canon i SENSYS LBP 6750 X
Canon i SENSYS LBP 6780 X
Canon i-SENSYS LBP-6750DN
Canon ImageClass LBP 6780 DN
Canon imageRUNNER LBP 3560
Canon imageRUNNER LBP 3580
Canon LaserShot LBP 6750
Canon Satera LBP 6700