Tool V3400.zip: Canon Service

If your printer is correctly in Service Mode, the software buttons will be active and clickable. If all the options are greyed out, the software cannot detect your printer. Step 3: Perform the Waste Ink Reset Look for the section labeled .

Canon never intended for end-users to access this tool. Running it incorrectly can permanently disable your printer. There is no “Undo” button. If you reset the wrong EEPROM region, you might change your printer’s serial number or disable its ability to recognize genuine ink. canon service tool v3400.zip

Was the canon service tool taken down from the net? : r/printers If your printer is correctly in Service Mode,

: Reads the EEPROM data to identify specific hardware issues. Canon never intended for end-users to access this tool

The investigation into the mysterious zip file revealed that it was a targeted attack by a group of hackers known for their sophisticated malware. The hackers had likely used the Canon service tool as a Trojan horse to gain access to the office's network.

Besides resetting the waste ink counter, the v3400 tool can perform several advanced maintenance functions:

A small pop-up window should say "A function was finished." Click OK.