To execute the actual reset command, you must purchase a single-use "Reset Key" online, which typically costs around $10 USD. This bypasses the need to hunt down rare, functional copies of the official Canon technician software.
the printer, but leave it plugged into the power outlet and connected to the PC via USB. Canon Mb2140 Service Tool
Right-click on the executable file (e.g., ServiceTool.exe ) and select . To execute the actual reset command, you must