I have added you as a friend. Please accept my friend request. I am sending you a private message as well. Respond to the message and provide the Printer’s Service Tag and Registered Owner’s Name so I may access your records and check for further course of action.
you can find a list of all the dell laser printer default usernames and passwords here: https://dell.to/2F08sYx
Hope that helps, let us know if you face further issue either here or via PM (envelope at the top right).