HP
Q8684A
is compatible in the following HP Models:
HP DesignJet 9000s Printer series
HP DESIGNJET 9000S PRINTER - Q6665A
HP DESIGNJET 9000SF PRINTER - Q6666A
HP DesignJet 8000 Printer series
HP DESIGNJET 8000S PRINTER - Q6686A
HP DESIGNJET 8000SF PRINTER - Q6671A
HP DESIGNJET 8000SR PRINTER - Q6670A
HP DESIGNJET 8000SR PRINTER - Q6670B
HP DesignJet 10000s Printer series
HP DESIGNJET 10000S PRINTER - Q6693A