Try the following fixes below:
Error 20 on Hewlett Packard printers means that the document you are trying to print is usually too large for the printers on board memory, could be because ...
Press “Menu” button Use the arrow buttons to select “Reports“ Press “Enter“ Use the arrow keys and select “Usage Page“ Press “Enter“
Issues with your iPad’s wireless? Try the following tips below, these can also be used for just normal Wireless issues.
Enables Auto Rejoin [Client wide] – /set irc_auto_rejoin 1