My HP Officejet 4315 Printer won't turn on. I can see it powering up on the screen. At a certain point the screen black scan bar stops in full position of movement? I try disconnecting and reconnecting the printer. Nothing happens? My laptop reads, printer off line?

SOURCE: Scan Problem with HP Officejet 6110 All-in-one

Once try to scan from the scanners and camera wizard to check the two way communication between the computer and the all-in-one.

1. Verify that the all-in-one product power is turned on and the printer cable is properly connected.
2. Click Start .
3. Click Programs .
4. Click Accessories .
5. Click Imaging .
6. From the Imaging application, click File , and then click Select Device .
7. Select the HP all-in-one device from the TWAIN source list.
8. Click File , and then Acquire Image . Imaging for Windows will scan from the all-in-one product using TWAIN software instead of the HP software.

SOURCE: HP Officejet 6110 stops printing. Installation of updated software and drivers stops without any warning

Try a complete uninstall:
Unplug the USB cable from your PC.
Go to Control panel add or remove programs. and delete all the entries you see for HP.( If it promts a restart do not restart now)
Then open my computer> C:drive> Program files> and delete the HP Folder only (not Hewlett Packard)
Then Open C:drive> Program files> Common Files and then delete HP and Hewlett Packard folder.
Then Go to C:Drive> Windows> Temp and empty the temp folder as much as you can.
Then go to Recycle bin and empty recycle bin.
Then Insert the All-In-One CD and cancel the installation process.
Open the content of the CD> and open Util folder> Then CCC> Then click on Uninstall_L4 and follow the on screen process.
After all restart the computer.

And if possible download the latest printer driver from HP website and install the same
Let me Know if any problem

Good Luck

SOURCE: HP C7280 won't print

Try reinstalling the software, first remove the previous installation Then confirm all is working through USB cable, the worry about wireless Inkypete

SOURCE: My HP Officejet 5610 All-in-One won't copy or scan any document

Fiend your solution direct from hp. Here is your solution...


http://www.hp.com/printer/prob676ijt65/solution

a7

SOURCE: HP L7700 officejet printer leaves streaks on black

Print in grayscale (black area streaking only) If the streaks are in a black area of a black and white printout, change to grayscale printing.
NOTE: This step does not apply to color printouts.

1. In the application you are printing from, click File , and then click Print .
2. Make sure the printer is selected and click Properties .
3. Click the Color tab, and select Print Grayscale and High Quality .