HP Paper C7929A 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 T620 Printer series

HP DESIGNJET T620 24-IN PRINTER - CK835A

HP DesignJet T610 Printer series

HP DESIGNJET T610 24-IN PRINTER - Q6711A
HP DESIGNJET T610 44-IN PRINTER - Q6712A

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 T1120 Printer series

HP DESIGNJET T1120 24-IN PRINTER - CK837A
HP DESIGNJET T1120 44-IN PRINTER - CK839A
HP DESIGNJET T1120PS 24-IN PRINTER - CK838A
HP DESIGNJET T1120PS 44-IN PRINTER - CK840A

HP DesignJet T1120 HD Multifunction Printer series

HP DESIGNJET T1120 HD MULTIFUNCTION PRINTER - CK841A

HP DesignJet T1100 Printer series

HP DESIGNJET T1100 24-IN PRINTER - Q6683A
HP DESIGNJET T1100 44-IN PRINTER - Q6687A
HP DESIGNJET T1100PS 24-IN PRINTER - Q6684A
HP DESIGNJET T1100PS 44-IN PRINTER - Q6688A

HP DesignJet 820 MFP series

HP DESIGNJET 820 MFP - Q6685A

HP DesignJet 4020 Printer series

HP DESIGNJET 4020 42-IN PRINTER - CM765A
HP DESIGNJET 4020PS 42-IN PRINTER - CM766A

HP DesignJet 110plus Printer series

HP DESIGNJET 110PLUS NR PRINTER - C7796E
HP DESIGNJET 110PLUS PRINTER - C7796D

HP DesignJet 110 Color Printer

HP DESIGNJET 110 COLOR PRINTER - C7796B