To prevent this, disconnection of the power cord is required before starting the printer in the service mode ). This is because the printer remains to be turned on internally if the power is turned off by the Power button. ( note : If the automatic power-on function is enabled in the printer, the printer enters the service mode for the first time, but it will never enter the service mode if the printer is turned off by the Power button.

Connect the Canon PIXMA iX5000 or iX4000 printer to the power cord.Unplug cable power from a power source.When the on/off lights in green, press the Stop/Reset button the specified number of time(s) according to the function listed in the table below.(Each time the Stop/Reset button is pressed, the LED lights alternately inorange and green, starting with orange.)note: press 4 times for waste ink counter reset.When releasing the Power button and the Stop / Reset button (regardless of order), the printer will move into a service mode.When the Power is lit, press the Stop/Reset button two times while pressing and holding the Power button.With the printer powered off but connected to a power source, press the Power button while pressing and holding the Stop/ Reset button.Hope that tip is useful! Here the reset procedure to reset waste ink counter on Canon Pixma MP145 and MP160 :

Press the key (returning to the state of 3)), and then press the key.

Some Canon user found some problem on Canon Pixma MP198, the Problem is How To Reset Canon Pix MP198 or They try to find some Resetter.

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