HP Duplexer Q3032A is compatible in the following HP Models:

HP Photosmart 8400 Printer series

HP PHOTOSMART 8450 PHOTO PRINTER - Q3388A
HP PHOTOSMART 8450 PHOTO PRINTER - Q3388B
HP PHOTOSMART 8450 PHOTO PRINTER - Q3482A
HP PHOTOSMART 8450XI PHOTO PRINTER - Q3480A
HP PHOTOSMART 8453 PHOTO PRINTER - Q3388C
HP PHOTOSMART 8458 PHOTO PRINTER - Q3388D

HP Photosmart 8100 Printer series

HP PHOTOSMART 8158 PHOTO PRINTER - Q3399D

HP Photosmart 2700 All-in-One Printer series

HP PHOTOSMART 2713 ALL-IN-ONE PRINTER - Q5547C

HP Officejet 7400 All-in-One Printer series

HP OFFICEJET 7408 ALL-IN-ONE PRINTER - Q5576D
HP OFFICEJET 7410 ALL-IN-ONE PRINTER - Q5569A
HP OFFICEJET 7410 ALL-IN-ONE PRINTER - Q5569B
HP OFFICEJET 7410 ALL-IN-ONE PRINTER - Q5573C
HP OFFICEJET 7410XI ALL-IN-ONE PRINTER - Q5564A
HP OFFICEJET 7413 ALL-IN-ONE PRINTER - Q5570C

HP Officejet 7200 All-in-One Printer series

HP OFFICEJET 7205 ALL-IN-ONE PRINTER - Q5567A
HP OFFICEJET 7205 ALL-IN-ONE PRINTER - Q5567B
HP OFFICEJET 7205 ALL-IN-ONE PRINTER - Q5567C
HP OFFICEJET 7215 ALL-IN-ONE PRINTER - Q5568B

HP Inkjet Automatic Two-sided Printing Units

HP PH3032 AUTO TWO-SIDED PRINT UNIT W/PAPER TRAY - Q3032A

HP Deskjet 6900 Printer series

HP DESKJET 6940 PRINTER - C8970A
HP DESKJET 6940 PRINTER - C8970B
HP DESKJET 6940DT PRINTER - C8973A
HP DESKJET 6943 PRINTER - C8970C
HP DESKJET 6980 PRINTER - C8969A
HP DESKJET 6980 PRINTER - C8969B
HP DESKJET 6980DT PRINTER - C8972A
HP DESKJET 6983 PRINTER - C8969C

HP Deskjet 6800 Printer series

HP DESKJET 6830V COLOR INKJET PRINTER - C9078A

HP Deskjet 6600 Printer series

HP DESKJET 6620 COLOR INKJET PRINTER - C9034A
HP DESKJET 6620 COLOR INKJET PRINTER - C9034B
HP DESKJET 6620XI COLOR INKJET PRINTER - C9056A
HP DESKJET 6623 COLOR INKJET PRINTER - C9034C
HP DESKJET 6628 COLOR INKJET PRINTER - C9034D