HP
Q8191-90270
is compatible in the following HP Models:
HP Photosmart C6100 All-in-One Printer series
HP PHOTOSMART C6150 ALL-IN-ONE PRINTER - Q8182A
HP PHOTOSMART C6180 ALL-IN-ONE PRINTER - Q8181A
HP PHOTOSMART C6185 ALL-IN-ONE PRINTER - Q8183A