Because the printer lacks physical moisture sensors inside the felt, it calculates absorption mathematically based on your print volume and cleanings. Once this internal reaches its pre-programmed threshold, the printer triggers a hardware lockout.
The MB2140, a part of Canon's MAXIFY series, tracks the amount of waste ink collected during cleaning cycles. When the counter reaches its limit, the printer locks itself to prevent ink leakage, often showing an orange light or a "Support Code 5B00" message. Using the service tool allows you to:
engineered for demanding home offices and small business environments. However, like all thermal inkjet machines, it features an internal safety protocol that can abruptly halt operations. Users frequently encounter debilitating interruptions, most notably Support Code 5B00 , which signals that the waste ink absorber is full. canon mb2140 service tool 2021
If you reset the counter multiple times without replacing or washing the physical felt pads inside the bottom of the printer, waste ink will eventually overflow. This can ruin your desk, carpets, or short-circuit the internal electronic components of your printer. Always plan to physically inspect or replace the pads if you perform more than one digital reset over the lifespan of the machine.
The green power light will flash for a few moments and then stay lit continuously. The screen on the printer will remain completely blank. This confirms your MB2140 is successfully in Service Mode. Step 2: Downloading and Running the Service Tool Because the printer lacks physical moisture sensors inside
If the screen remains black and the light is solid green, the printer is ready to communicate with the Service Tool on your PC via 3. Resolving Paper & Counter Issues
Mainboard lockouts happen when an incorrect, older version of the software tool is used repeatedly. If this occurs, the software can no longer reset the chip. The physical EEPROM chip on the motherboard must be replaced, or the entire mainboard must be swapped out. Physical Maintenance Advice When the counter reaches its limit, the printer
Close the software utility on your desktop. Turn off your Canon printer using its physical Power button (you may need to hold it down for a few seconds to force it off while in Service Mode). Unplug the power cable for 10 seconds, plug it back in, and turn the printer back on normally. Troubleshooting Failure and "Error Codes"
Right-click the .exe file and select "Run as Administrator".