HP Laserjet M1132 MFP on Mac OS 10.7 - No Scanner Detected

Question

I just installed the HP Laserjet M1132 MFP on my mac mini (mid 2011) with OS X 10.7 (Lion).
I have the printer working fine with the right driver comming from the installation disk.
I have also upgraded the firmware to the latest one available for download from there site.
One thing happen during the installation was that I couldn't finish the installation properly at the time of applying custom settings, the wizard prompted me "You must have administrative right ....", which I have, and when mac OS needs it, he asks for it anyway. The only choice was to cancel, but drivers were installed.
Then, I launched HP Scan to check the scanner, and I have ... "No scanners availables" !!
I also run apple software update, but nothing!
Any help would be very much appreciated.
Regards,
Trezi!

Answer 1

Sorry if there are errors of grammar. I'm using google translator because I am Brazilian and I do not write in English,just read.
I bought my printer M1132 After installing the Lion, and came across the same error message. I managed to solve this issue by enabling the root user and installing the drives by the super user root. When you finish the installation, it did not show the error message described above, and the scannerfunctioned normally for the program "HP Director". The image capture MAC did not work, even the Readiris program that came with the printer. But the point I'm getting now typicallyscan the "HP Director"
As the root user is disabled by default, you should follow the tutorial below to activate the super user. Log in by root in the Login screen, click "Other User". Then type in the spacereserved for root user and then type your password. Shortlyfollowing section to install the printer driver as usual.
Steps to enable root user in Lyon:
From the Apple menu choose System Preferences....
From the View menu choose Users & Groups.
Click the lock and authenticate as an administrator account.
Click Login Options....
Click the "Edit..." or "Join..." button at the bottom right.
Click the "Open Directory Utility..." button.
Click the lock in the Directory Utility window.
Enter an administrator account name and password, then click OK.
Choose Enable Root User from the Edit menu.
Enter the root password you wish to use in both the Password and Verify fields, then click OK.
Important notes
Only the owner of a computer or its designated administrator(s) should have an administrator account or the root password.
Any user with an administrator account can become the root user or reset the root password.
A root password should be difficult to guess, containing both numbers and letters within the first eight characters.
A root user has the ability to access other users' files.
The root user has the ability to relocate or remove required system files and to introduce new files in locations that are protected from other users.
I hope it helped!!
Pr. Carlos Ricardo