HP LaserJet 2420 Printer "replacing right side knock sensor" Questions

right. Press down on each one to lock it into place. Lower the print carriage access door. Check the print cartridges to make sure the protective tape has been removed from the ink nozzles. Remove the

side for torn scraps of paper (a flashlight or torch is necessary). Make sure paper cassettes are firmly seated, corner tabs aren't bent. Some trays have lifting springs that could pop out if tray has

...right side of the printer. There is a small spring on the rod. Here lies your problem. There has to be enough tension on this spring to activate a switch in the slot on the right side of the printer. ...

...right hand side of the printer in below four plate there and if then also problem was not slove then u need to replace the senser pcb board and if u get a error from tray one then clean the paper ...

...right arrow until you see "810. SC RESET". press ok and later press "execute" (you will see it in the screen of the printer) press "ESC" until you exit all menus power off the printer for 30 seconds ...

...right, although his description isn`t very exact. Take off the complete scanner part: (back hinges first, then the blue arresting lever at the front), disconnect the flat band cable and the power ...

...right side. after you do that, the tray should move freely. (you should be able to reposition it where ever you like.) put the tray where you can access the ink. open the ink tray and remove all of ...

...replacing printer so i presume here is no quick fix - sorry guys i Did everything stated and checked the x3470 solution aswell. It would seem that once one problem occurs another takes ot place. List ...

...right hand side wall.If it has been knocked out of place, carefully remove it and reseat it. It is held in place by four plastic tabs on the base. The top should not protrude past the inside wall of ...