How do I troubleshoot brother printer in error state?

I believe in using brother printer for various printing purposes. Brother printer is an advanced printing machine, which is fully loaded with wonderful features, hence several users use it for printing the documents. I am also working on brother printer from the last two years, so I have good experience to handle all types of printing tasks. While printing the documents, I am seriously experiencing brother printer in error state . This technical issue means that my printing device is passing through some technical faults. So anyone can provide the easy tips to sort out this technical glitch.