123 HP Envy 7864 Wireless Printer Setup Installation
                     123 HP Envy 7864 Wireless Printer Setup 
Installation
Update printer computer code
Some releases of ink cartridges don’t seem to be 
compatible with older versions of printer computer code. 
Update the computer code to resolve this downside.
Make sure the ink cartridges are properly put in
The printer displays a slip-up if the ink cartridges don’t seem 
to be properly put in. take away the ink cartridges, check 
them for any plastic tape, install the ink cartridges, then try 
and print.
Clean the electrical contacts
The printer may show Associate in Nursing cartridge error if 
the cartridge contacts dirty. undo any cords or cables, take 
away the ink cartridges, then clean the electrical contacts on 
the ink cartridges and print carriage HP Envy 7864.
Reset the printer HP Envy 7864
1  Resetting the printer will typically resolve 
Associate in Nursing cartridge error.
2  With the printer turned on, disconnect the 
ability wire from the printer.
3  Unplug the ability wire from the ability 
supply.
1 Minutes.
4  Reconnect the ability wire to a wall outlet 
and to the printer HP Envy 7864.