These printers use the Savin 821028 cartridge:
Click On a Printer to View it's Cartridges
Savin CLP 340 C
Savin CLP 340 D
Savin CLP 340 DT1
Savin CLP 350 C
Savin CLP 350 D
Savin CLP 350 DT1
Lanier LP 540 C
Lanier LP 540 CT1
Lanier LP 550 C
Lanier LP 550 CT1