how do I automatically log in (in network configuration)?
This procedure must be performed by System Administrators only, and is applicable to the scanner in network configuration.
to log in automatically…
1.Press the Quit button 
and select Exit to exit your scanner software.
2.Press the Start button on the Windows taskbar, and select Run.
3.Type regedit and then press the OK button.
4.In the Registry Editor, navigate to HKEY_CURRENT_USER \Software\Microsoft\Windows\Windows NT\CurrentVersion \Winlogon.
5.Check that the following entries and their values are present as described in the table below. If they are not present you can add them by selecting New from the Edit menu. If they are present and you need to modify the value data, select the value and Modify from the Edit menu.
value | value data |
DefaultUserName MyUserName
DefaultPassword MyPassword
DefaultDomainName MyDomainUser
AutoAdminLogon 1
where Myxxxxxx are the domain data, user name and password to use in the automatic login.
6. Exit the Registry Editor to return to your Active Desktop.
The next time you restart your system the login will not be requested.
how do I set the scanner system power up/down timer?
If a scan is being done when power off time is reached, automatic power off is delayed by 15 minutes.
If the scanner is manually started, 3 hours will have to pass before it goes into standby.
38 | hp designjet 815mfp & scanner 4200 |