The model number HP Officejet Pro 8000.
Method 1:
You may refer to the below links and use the troubleshooters. Check if it lists and helps resolve any issues: Open the Printer troubleshooter:
HP Officejet Pro 8000 Printer - A809a - HP Customer Care (United States - English)
Method 2:
You may check if you have the latest drivers installed for the device. You may refer to the below link for getting the latest drivers and check –
HP Officejet Pro 8000 Driver
Good Luck..