Dell 1815dn All-In-One Laser Printer "debloque" Questions

toshiba e-studio 161 error code L7?What reset code debloqué toshiba studio161

Dell 1815dn all-in-one-laser Hello, I have a Dell 1815dn all-in-one laser printer and no longer can find the manual. The scanner was working but is not working now. It is locked. How can I unlock it? ...