HP Paper (Bright White) Q1445A is compatible in the following HP Models:

HP DesignJet T770 Printer series

HP DESIGNJET T770 24-IN PRINTER - CQ305A
HP DESIGNJET T770 24-IN PRINTER WITH HARD DISK - CQ306A
HP DESIGNJET T770 44-IN PRINTER - CH539A
HP DESIGNJET T770 44-IN PRINTER WITH HARD DISK - CN375A

HP DesignJet T1200 Printer series

HP DESIGNJET T1200 44-IN POSTSCRIPT VERSION PRINTER - CK834A
HP DESIGNJET T1200 44-IN PRINTER - CH538A

HP DesignJet T1200 HD Multifunction Printer series

HP DESIGNJET T1200 HD MULTIFUNCTION PRINTER - CQ653A

HP DesignJet 800 Printer series

HP DESIGNJET 800 PRINTER (24 IN) - C7779B
HP DESIGNJET 800 PRINTER (42 IN) - C7780B
HP DESIGNJET 800 REMARKETED PRINTER (24 IN) - C7779BR
HP DESIGNJET 800 REMARKETED PRINTER (42 IN) - C7780BR
HP DESIGNJET 800PS PRINTER (24 IN) - C7779C
HP DESIGNJET 800PS PRINTER (42 IN) - C7780C
HP DESIGNJET 800PS REMARKETED PRINTER (42 IN) - C7780CR

HP DesignJet 5500 Printer series

HP DESIGNJET 5500 PRINTER (42 IN) - Q1251A
HP DESIGNJET 5500 PRINTER (60 IN) - Q1253A
HP DESIGNJET 5500 REMARKETED PRINTER (42 IN) - Q1251AR
HP DESIGNJET 5500 REMARKETED PRINTER (60 IN) - Q1253AR
HP DESIGNJET 5500PS PRINTER (42 IN) - Q1252A
HP DESIGNJET 5500PS PRINTER (60 IN) - Q1254A
HP DESIGNJET 5500PS REMARKETED PRINTER (42 IN) - Q1252AR
HP DESIGNJET 5500PS REMARKETED PRINTER (60 IN) - Q1254AR
HP DESIGNJET 5500UV PRINTER (60 IN) - Q1253V
HP EAGLEJET PRINTER - Q1252C

HP DesignJet 5100 Printer series

HP DESIGNJET 5100 PRINTER - CG710A

HP DesignJet 4500 Printer series

HP DESIGNJET 4500 PRINTER - Q1271A
HP DESIGNJET 4500PS PRINTER - Q1272A

HP DesignJet 4500 mfp series

HP DESIGNJET 4500MFP - Q1276A

HP DesignJet 4000 Printer series

HP DESIGNJET 4000 PRINTER - Q1273A
HP DESIGNJET 4000PS PRINTER - Q1274A

HP DesignJet 130 Printer series

HP DESIGNJET 130NR PRINTER - C7791D

HP DesignJet 120 Printer series

HP DESIGNJET 120 PRINTER - C7791A
HP DESIGNJET 120 REMARKETED PRINTER - C7791AR
HP DESIGNJET 120NR PRINTER - C7791B
HP DESIGNJET 120NR REMARKETED PRINTER - C7791BR