Canon Service Tool V3400.zip -

Generates diagnostic pages to check color alignment and nozzle health. Supported Canon Models

A: Possibly not. Version 3400 is older. Newer TS and TR series printers require v5000 or higher. Using the wrong version can brick the printer. canon service tool v3400.zip

Release the button while continuing to hold the Power button. Generates diagnostic pages to check color alignment and

This occurs if you don't enter Service Mode correctly, or if your printer model is too new for the v3400 version. canon service tool v3400.zip

While still holding the Stop/Reset button, press and .

Press and hold the button (the triangle inside a circle).