printer and another guide

Resetting Ink-Waste Overflow Counter Canon Pixma iP3000, iP4000, iP5000 Printers

• With the printer plugged in and powered off, press and hold the Resume/Cancel button, then press and hold the Power button. (DO NOT release the buttons. The LED light should be green to indicate that a function is selectable.).

• While holding the Power button, release the Resume/Cancel button. (DO NOT release the Power button)

• While holding the Power button, press the Resume/Cancel button 2 times, and then release both the Power and Resume/Cancel buttons. (Each time the Resume/Cancel button is pressed, the LED lights alternately in orange and green, starting with orange)

• When the LED light is green, press the Resume/Cancel button 4 times. (Each time the Resume/Cancel button is pressed, the LED lights alternately in orange and green, starting with orange)

• Press the Power button. The LED lights in green, and the reset is performed. (When the operation completes, the printer returns to the menu selection mode automatically)

• Press the power button to exit service mode.

Note:
if you accidentally press the Resume/Cancel button more than 4 times in step 4 then just press the Resume/Cancel button at least 10 times and the printer will be returned to step 4 automatically

iP3000 power supply K30233 only has three wires.
Measure voltage with power supply pulled out of printer but with 3-wire plug still plugged up. Printers logic board turns power supply 8 volts stand by to 24 volts run voltage.

Pin 1 red wire = 8 volts dc printer off and 24 volts DC printer on.
Pin 2 black wire = printer ground
Pin 3 yellow wire = 0 volts dc printer off and 3.1 volts dc printer on.