Printer only prints from HP diagnostic

I'm sure you tried "USB" install and plugged the cable in when you got to that step in the install process so that it found new hardware then.

yea, like 3 times! I install wifi printers remotely, been installing them for years, this has got me feeling like a real newbie, I'm doing a repair install of 7 now, I'm suspicious of missing dlls or something. Not even thinking about wifi at this point, just usb would do!
 
SUCESSS!! I'm not sure what exactly did it but I'm posting for anyone else. I performed a repair install, resulting in a message that .net ver 4 had to be repaired, it repaired it on reboot, I them tried to install the driver again, fail. Then did this as suggested by hp employee on a forum:
Please follow these steps: (for win 7)

a) Register egsvr32 atl.dll
1. left click on the "Windows Start" button;
2. on "Run," then type "CMD"
3. Look up the left column and right click on cmd 4. select ‘run as adminstrator’
5. you will get a black dos window 6. type regsvr32 atl.dll at the flashing cursor and press enter on keyboard
7. you will get a popup indicating success 8 try installing again

B) Unregister/register msiexec
1. left click on the "Windows Start" button;
2. on "Run,type: msiexec / unregister
3. Press Enter

1. left click on the "Windows Start" button;
2. on "Run,type: Msiexec /regserver
3. Press Enter

C) Download Windows Installer CleanUp Utility from: http://download.microsoft.com/download/e/9/d/e9d80355-7ab4-45b8-80e8-983a48d5e1bd/msicuu2.exe
- run it;
- click 'Start', click 'All Programs' and then click the shortcut for the Windows Installer Clean Up Utility;
- choose the HP software component and remove it.

C) Before to start the installation please delete all TEMP files;
- Click Start, then Run. The Run window opens.
- In the Open: box, type %temp%.
- Click OK. The system-defined Temp folder opens.
Highlight and delete all of the files in the Temp folder, but not the folder itself.

D) Install the Full Feature Software and Driver from: http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=mp-76831-1&lc=en&dlc=en&cc=us&...

I also found 3 entries in the msft clean prgm besides the c4700 driver they were simply called hp 3.0 I deleted, hoping I didn't mess anything up (its a hp laptop) then I ran the control panel uninstaller for the driver again, ccleaner, cleaned all reg entries and temp files. CAUTION using the old msft clean up utility can screw up Office, thats why its hard to find. I rebooted-THEN the hp update utility popped up and suggested a critical patch to fix printers disconnecting!!! I have been all over the site and never saw this patch! I installed ofcourse, rebooted, downloaded the FULL driver pkg, installed it, printer works done....cocktail.
 
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