20 Most Recent HP Photosmart 7850 InkJet Printer Questions & Answers

With your printer the print head is an integral part of your ink cartridge. Cleaning the cartridge accomplishes the objective.

hi i brought hp photosmart 7850 of ebay please could anyone tell me how many leads should there been with it

HP Support & Drivers

If you ahve teh software installed, right click the icon and select the properties option then locate the tab that has the option to run in compatibility mode. Set the software to run in Windows XP or Vista compatibility. If it is stopping the installation, right click the installation file and tell it to run in compatibility mode with a previous version of windows to install.

turn off and on again

You can download these for free from the hp.com website.

Check feed rollers are not bent or the gears of the rollers have no damaged, broken teeth, check the paper detector sensor / guide roller is not worn

Here's how to print a self-test page.
HP Photosmart 7850 series printers

1. Make sure plain paper is loaded in the In Tray and the printer is on.
2. Press and hold the Select button.
3. Press the Left arrow button once.
4. Release the Select button.