HP Rod
C2124-20002
is compatible in the following HP Models:
HP Deskwriter 550c Printer
HP DESKWRITER 550C PRINTER - C2124A
HP Deskwriter 510 Printer
HP DESKWRITER 510 PRINTER - C2128A
HP Deskjet 500 Printer series
HP DESKJET 510 PRINTER - C2127A
HP DESKJET 550C PRINTER - C2121A