How to reset error 5B00 for Canon MP170 (Ink Tank Full Error):
1 - power off.
2 - hold stop/reset ,hold ON/OFF
3 - release stop/reset, push stop/reset twice, quickly, then release ON/OFF
4 - wait untill LCD display shows "Canon Idle",then push stop/reset four times, quickly
5 - then push power twice, quickly
6 - power off and power on.
- QK1-1902: AC Adapter