HP Printer Error 99.09.66 [How to Fix]

In this article, we will guide you on how to fix the HP printer error 99.09.66.

The HP printer error 99.09.66 is an indication of an issue with the solid-state memory or hard disk drive. It could be that the storage device isn’t installed, the connection isn’t done properly, or there is a drive failure.

How to Fix HP Printer Error 99.09.66

To fix this HP printer error 99.09.66, turn off your HP printer and then turn it back on. This is a simple reset that fixes most HP printer errors.

You can read this article: How to Reset HP Printer [Detailed Guide], to learn other ways you can reset your HP printer.

In most cases, doing the above should resolve the error. However, if the HP printer error 99.09.66 isn’t cleared, then you need to check if the storage device is correctly installed. To do this, follow the instructions below depending on the type of storage device your printer uses.

Solid-State Memory Drive

Step 1: Turn off your HP printer.

Step 2: Unplug every cable from the printer.

Step 3: Remove the formatter by sliding its cover to the back of your printer.

Step 4: Open the printer’s formatter cage.

Step 5: Raise and take away the metal-sheet door.

Step 6: Detach the fax card connector.

Step 7: Free the fax card by pressing three tabs.

Step 8: Take out the fax card.

Step 9: Rotate the retaining clip 90 degrees in an anti-clockwise manner before pulling it up to release it.

Step 10: Remove the solid-state drive by sliding it to the formatter’s edge.

Step 11: Put the solid-state drive back into its connector.

Step 12: Push the retaining clip in, and then rotate it 90 degrees in a clockwise manner.

Step 13: Put the fax card back into the printer.

Step 14: Reattach the fax card connector.

Step 15: Put the metal-sheet cover back in its place.

Step 16: Return the formatter cover to its position on your printer.

Step 17: Reconnect all the cables.

Step 18: Turn on your HP printer.

In this article: HP Printer Errors and Solutions [Detailed] you can learn how to fix other HP printer errors.

Hard Disk Drive

Step 1: Turn off your HP printer.

Step 2: Unplug every cable from the printer.

Step 3: Remove the formatter by sliding its cover to the back of your printer.

Step 4: Open the printer’s formatter cage.

Step 5: Raise and take away the metal-sheet door.

Step 6: Free the hard drive by pushing the locking lever

Step 7: Remove the hard drive by sliding it to the formatter’s edge.

Step 8: Reinsert the hard disk by sliding it onto the formatter. Ensure that the locking lever is firmly in place.

Step 9: Place the metal-sheet cover back in its place.

Step 10: Return the formatter cover to its position on your printer.

Step 11: Reconnect all the cables.

Step 12: Turn on your HP printer.

If after doing the above, the HP printer error 99.09.66 persists, then you should contact HP support for further assistance.