HP Cartridge
C9391AL
is compatible in the following HP Models:
HP Officejet Pro K8600 Printer series
HP OFFICEJET PRO K8600 PRINTER - CB015M
HP Officejet Pro K550 Color Printer series
HP OFFICEJET PRO K550 COLOR PRINTER - C8157A
HP OFFICEJET PRO K550DTN COLOR PRINTER - C8158A
HP OFFICEJET PRO K550DTWN COLOR PRINTER - C8159A
HP OFFICEJET PRO K550DTWN COLOR PRINTER - C8159B
HP OFFICEJET PRO K550XI DTN COLOR PRINTER - C8190A