The printer’s error code vanished.
One click to erase the memory of every page ever printed. One click to lie to the machine and tell it that it was brand new, born yesterday, clean and empty. He clicked. Canon Service Tool V 3800 Download
The Canon Service Tool if your printer is turned on normally. Your computer will fail to communicate with the software, resulting in frozen screens or "Error Code 006." You must manually put your printer into Service Mode first. How to Put Your Canon Printer into Service Mode: The printer’s error code vanished
Your printer's motherboard EEPROM may be permanently locked. He clicked
Temporarily disable your Windows Defender or antivirus software. These utilities manipulate hardware firmware, causing some security programs to flag them as a false positive. Extract the downloaded ZIP file using WinRAR or 7-Zip.
Because some software isn't a program. It's a promise. And a promise, once installed, never truly uninstalls.