Hi, I'm Lori and I'll be helping you today. I'm sorry to hear you're having a problem. Please bookmark this page so you can get back to it easily.
U051 means an error occurred with the printhead. (The printhead is the part of the printer that puts ink from the cartridges onto the page). Please follow the steps below to remove the ink thanks, and THEN remove the PRINTHEAD, then re-insert it.
Remove the Ink Tanks
Click to return to the top.
Reseating the Print Head
Follow the instructions below for Installing the Print Head and Re-Installing the Ink Tanks.
Installing the Print Head
Re-Installing the Ink Tanks
Insert ink tanks into the print head.NOTE: Press the mark <PUSH> on the ink tank firmly until you hear a click.
Ensure that all the ink tanks are installed properly and the ink tank lamps light red.
do you know what the cause of error UO51 print head is not installed, install print head yet the cartridges are in the print head
It's possible the print head isn't seated correctly. Would you go through these steps and let me know if that solves your problem?
how do i get to move or remove the print head
it just slides along a rail
Have you tried following the steps I posted above?
yes i have
the all red lights on the cartridges are flashing
How far were you able to get? Could you lift the scanning unit (#3) and remove the ink tanks (#4)?
i have now got the print head out
do i need to replace the print head
i taken it out ant then reinstalled it and no change
Yes, follow the steps to re-install the print head and the ink tanks
You also reinstalled the ink tanks?
yes i did reinstall the tanks too
Ok, try disconnecting the power and reconnecting.
and i reconnected the power too
Ok, I am sorry, I would have expected that to reset the error message. However, I will opt out and let another expert step in now. They will be able to see everything we have tried here, so you won't have to explain what you've already done.
I have a Brothers printer HL 2240 that will not print.