The printer drivers for the IJ printers are to be devoloped in association with Microsoft. Compaq is waiting for the Microsoft team in order to release the drivers. As soon as Microsoft releases the drivers, they will be uploaded onto the driver page for download.
Kindly, keep in touch with the following URL for the release of drivers:
Enter you model in the "enter your model:" column and click the "Go" button in order to view the drivers available for your model.