![](/images/backgrounds/292118/hp-photosmart-c4640-all-in-one-printer-users-manual-14081590x1.png)
Product messages
The following is a list of
•Missing HP Photosmart Software
Door open
Solution: Close the print cartridge door.
Cause: The print cartridge door was open.
Firmware revision mismatch
Solution: Contact HP support for service.
Go to: www.hp.com/support.
If prompted, choose your country/region, and then click Contact HP for information on calling for technical support.
Cause: The revision number of the product firmware did not match the revision number of the software.
Memory is full
Solution: Try making fewer copies at a time.
Cause: The document you were copying exceeded the memory of the product.
Scanner failure
Solution: Turn off the product and then turn it on again. Restart your computer and then try to scan again.
If the problem persists, try plugging the power cord directly into a power outlet rather than a surge protector or power strip. If the problem continues, contact HP support.
Solve a problem
Errors 87