HP Officejet 7000 Wide Format Printer - E809a - Manual (Page 45)

The ports are used for the following functions:
Printing
•
UDP ports: 427, 137, 161
• TCP port: 9100
Photo card upload
•
UDP ports: 137, 138, 427
• TCP port: 139
Scanning
•
UDP port: 427
• TCP ports: 9220, 9500
HP device status
UDP port: 161
Faxing
•
UDP port: 427
• TCP port: 9220
HP device installation
UDP port: 427
Uninstall and reinstall the software
If your installation is incomplete, or if you connected the USB cable to the computer before
prompted by the software installation screen, you might need to uninstall and then
reinstall the software. Do not simply delete the device application files from your
computer. Make sure to remove them properly using the uninstall utility provided when
you installed the software that came with the device.
There are three methods to uninstall the software on a Windows computer, and two
methods to uninstall on a Macintosh computer.
To uninstall from a Windows computer, method 1
1. Disconnect the device from your computer. Do not connect it to your computer until
after you have reinstalled the software.
2. Press the Power button to turn off the device.
3. On the Windows taskbar, click Start, select Control Panel, and then click Add/
Remove Programs.
- Or -
Click Start, click Control Panel, and then click Uninstall a program.
4. Select the device you want to uninstall, and then click Change/Remove or Uninstall/
Change.
5. Follow the onscreen instructions.
Uninstall and reinstall the software 41