HP LaserJet P3005 Printer series - Manual (Page 201)

Enable memory for Windows
1. On the Start menu, Settings, and Printers or Printers and Faxes.
2. Select this device and select Properties.
3. On the Configure tab, click More.
4. In the Total Memory field, type or select the total amount of memory that is now installed.
5. Click OK.
6. Go to Check DIMM installation .
ENWW Enable memory for Windows 189