The Canon MG2540S is a budget printer. The Service Tool is a temporary bandage. If you get the 5B00 error again after two resets, it is time to recycle the printer and buy a model with refillable tanks (like the Canon G series).

: Offers "Deep Cleaning" options that are sometimes more intensive than those found in the standard Canon maintenance tab . Compatible Versions for MG2540S

Using a service tool voids your warranty. This guide is for informational purposes only. Physically cleaning the ink absorber pad is highly recommended before resetting the counter.

(Error 5B00) and perform deep maintenance functions that aren't available in the standard driver menu. 1. Key Features of the Service Tool Waste Ink Counter Reset