i have gotten an error message saying i need to install a plugin. when i try to update that it says i need to update my firmware. when i try to do that i get an error message that i need to update teh plugin. i already went to the synaptic package manager and downloaded eveything with hp on it. i have downloaded the hplip status manager. i am sure i have all the plugins i need but i get an error message about the firmware when i enter hp - plugin into the terminal.