Using this utility requires strict adherence to instructions. If you run the software without putting your printer into the proper state, the program will freeze, show an "Error Code: 006", or potentially lock your printer's ROM permanently. Step 1: Put the Printer into Service Mode
Once the application window opens, you will see a gray interface with multiple tabs: Main , Test Print , EEPROM , and Auto . canon service tool v5302
Turn off the printer completely, but leave the power cable plugged into the wall outlet. Using this utility requires strict adherence to instructions
Why it matters
The tool can read, save, and modify settings stored on the printer's EEPROM chip, which holds essential configuration data. the program will freeze
: Conflict with existing print jobs or Windows print spooler blockage.