two-sided documents are printing
Printing two-sided documents takes more time than printing single-sided documents.
printer driver is outdated
An outdated printer driver may be installed.
For information about updating the printer driver, visit HP's Website at:
http://www.hp.com/go/mac-connect
computer does not meet system requirements
1. Verify that the computer's hard disk space or RAM meet system requirements.
For more information, see system requirements.
2. Increase free space on the hard drive.
If your computer does not have enough RAM, or a large amount of free space
on the hard drive, the printer processing time will be longer.