HP LaserJet 2840 All-In-One Printer "error reflection" Questions

hp colour laserjet 2820 keeps coming up with error 5. i've turned off and then on but keeps coming up with the same error. is it the bulb? Step1: Open flat bed galss & optical scanner assm, ...

scanner error 5 Remove optical scanner assm, clean internal reflecting mirrors,  refix it back & check, if not resolved replace it..see the snap shot of optical scanner unit

hp colour laserjet 4600dn, 51.2Y error...how to solve that? cannot print...51.2Y error massage From Woody Friesen: Did the printer have a rough ride? HP's service manual suggests this to be a laser ...

scanner error 5 turn off then on all in one printer hp Remove flat bed glass take out optical scanning assembly(detach flat cabl & belt).gently hold the unit & remove bannet of the unit care ...

Scanner Error 5 Remove flat bed glass take out optical scanning assembly(detach flat cabl & belt).gently hold the unit & remove bannet of the unit care fully clean the reflecting glasses with ...

Gives error 51-2Y I already did a cold reset and reset to factory settings it did not help can it be a fuser error? if not does anyone know what it is. I appreciate any response thank you Frank Did ...

...of density sensor ? I have to clean it because printer gives me density sensor out of range error. Maybe i can solve this problem when clean it. Any advide will be appreciated. Thank you for ...

...Problem My HP laserjet 3330 display showed: "Scanner bulb warming up" then switched to " Scanner Error. Power on, power off". The machine is completly un-operatable. I tried to turn power on and ...

...reflection of the screwdriver because of the glass covering the reflective surface. 22. Now clean the remaining mirrors and lens very thoroughly with alcohol. Make sure they are very clean. You can ...

...error message how can i fix it Apparently this is a very common issue with this printer. Some repair people won't touch it and tell you to buy a new printer. However, I have been able to find a ...