Using the wrong version or failing to enter Service Mode correctly can lead to Error Code 006 (Service Mode not entered) or Error Code 005 (Device not recognized). 4. Warning & Alternatives
If you need to fix a waste ink pad issue, you'll need the Service Tool V5105. Canon Mb2140 Service Tool
These versions are rarely free and usually require purchasing a one-time activation key or a genuine software license from reputable printer repair sites. Step 1: Entering Service Mode on Canon MB2140 Using the wrong version or failing to enter
For the Canon MB2140 and most MAXIFY series printers, the correct sequence is of the Stop/Reset button while holding down the Power button. Canon Mb2140 Service Tool