Xd picture card & hp 7660 printer

Your HP all-in-one can read the following memory cards: CompactFlash (I, II), Memory Sticks, MultiMediaCard (MMC), Secure Digital, SmartMedia, and xD-Picture Card. Note: It will not read an SDHC.

Solved

it is a correct driver of your printer? if so try to reinstall also your OS maybe is attack by some worms.

clean the card with alcohol cleaner, let air dry and try again

The manual gives the following under Explanation:

The xD-Picture Card contact area is soiled
The xD-Picture Card is damaged
The xD-Picture Card format is incorrect
Camera fault

The manual offers the following under Remedy:

Wipe the contact area on the xD-Picture Card with a soft dry cloth. It may be
necessary to format the xD-Picture card
If the error message is still displayed. replace the xD-Picture Card.
Contact your Fujifilm dealer.

A card access error may indicate that an xD-Picture Card memory card is in a write-protected condition. xD-Picture Card memory cards have a special protection feature to ensure that your pictures are kept safe. NOTE: During this condition, you can still use the printer for printing and saving photos from the xD-Picture Card to a secure location, such as the computer hard drive. To resolve this error, try the following:

• Reinsert the xD-Picture Card memory card into your camera and turn on the camera. In most cases, the camera automatically makes the necessary changes.
• Reformat the xD-Picture Card memory card. See the documentation that came with your camera for instructions on reformatting the memory card. Note that this process erases the pictures currently saved to your memory card. To save these pictures, transfer them to the computer before reformatting the memory card. Once you reformat the memory card, transfer those photos back to the memory card using the computer.

You may need to get into your printer settings and adjust the paper size.

when XD card is inserted printer says "card error"

Try re-formatting the card.

Try using a different Memory card and see if it reads it, if not you might need to replace the memory card reader.