Reset manual "Ink Absorber Full" for pixma MP145 ( error message E27) actually , it's work as same as Canon MP 150 or MP 160, This is the step :
Canon MP145
with the printer powered off but connected to a power source , you must:
A) Press stop/reset button, and then press [ON/OFF] button to restart
B) Press [ON/OFF] again and then press twice the stop/reset button.
C) Press [ON/OFF] & Stop/reset button together, this time to enter
the repair status and power lights will be green,
D) Press stop/reset button 4x and warning lights will be go out
in [ON/OFF]button.
E) Turn off the printer.( it must be turn off) and then turn it on again.
Use with your own risk , i'll try this way and my Pixma MP145 not
blink again.
The number of the Reset
button pressing
LED Function Remarks
0 time Green Power off
1 time Orange Service pattern print
2 times Green EEPROM print
3 times Orange EEPROM reset
4 times Green Waste ink counter reset
5) Unplug cable power. (for MP145 / MP150)
6) Turn Off Power. (for MP160)