Error E22 = Carriage error (MP150)
to reset this error follow the steps below:
with the printer powered off but connected to a power source, you must
1. Press and hold the stop/reset button, and press the [ON/OFF] button to restart
2. Press and hold [ON/OFF] again and while holding press the stop/reset button twice
3. Press [ON/OFF] & stop/reset together this time, to enter repair_mode. power light will be green,
4. While still holding [ON/OFF] pressed, press stop/reset button 4x and the blinking green light on the [ON/OFF ] should turn off
5. Turn the printer OFF and ON
this is how i remember it working for me. after 2.5 years of sitting with a full cartridge.
cleaned. all good.
if it doesn't work play with it a little more.
used the video here although i altered the steps a bit: v=FGVdYL0QxI8