Canon Mb2140 Service Tool 2021 [upd] -

| Problem | Solution | |--------|----------| | Tool doesn’t detect printer | Ensure USB cable is connected after entering service mode. Disable firewall/VPN temporarily. | | Error "No printer in service mode" | Re-enter service mode carefully. The MB2140 requires precise button timing. | | Tool crashes on Windows 10/11 | Run in Windows 7 compatibility mode. Disable real-time antivirus temporarily. | | Counter resets but error returns next day | The waste ink pads are truly full. You must open the printer and clean/replace the pads. | | Ink leak after reset | Turn off printer immediately. The pads are oversaturated. Physical cleaning is mandatory. |

Move down to the Ink Absorber Counter section. Verify the Counter Value is set to 0% . Click the corresponding Set button. canon mb2140 service tool 2021