HP Officejet Pro L7580 All-In-One InkJet Printer "little black rubber sticks jams" Questions

...little pieces (black plastic with little rubber rollers on the bottom, looks like they hold down the paper and/or feed it through) pop up and I can not get it to go back down. These are under the ...

...little bit of ink underneath the black cartridge(right hand side). I cleaned it up with qtip and it helped for about 2 printouts, but the error came back immediately after each attempt. There's ...

...black gear with a spring on it (you may need to unscrew the PCB that partially covers it); There is a clutch that sticks to the rubber pad behind this gear. You may put a piece of scotch tape towards ...

...little back door just under the top part of the machine. This sensor hangs down from a thin rod that runs across the width of the machine, and is held in place by a small spring that encircles the ...

...little hinges, you do not need to unscrew anything! Mine was filled up with black paint grease, but I could clean it up using a bunch of cotton ear cleaners and a bit of alcohol as well to wipe off ...

...little black plastic finger that gets lifted up when a piece of paper goes through. This little finger is the lower end of the paddle above. Poke gently on this little finger with a little stick or ...

...black.

* There is kind of like a little rail that enables the white tray to slide back and forth, This also needs to be cleaned- The ink can start building up preventing anything to slide or ...

black ink that was gumming up the carriage. It's a good thing HP's ink is so cheap! Wait ... Mine turned out to be a very easy fix -- and may help reduce problems in the future. Total cost of about $4

...little black ink pad tray (which the heads park on) was not moving down out of the way and the white squeegy thingy was getting stuck on it. After disassembling the printer, I found what was ...