Some third-party repair shops sell a legitimate-looking copy of the tool for $10–$20. While not approved by Canon, these vendors often provide:
Version V3900 is generally associated with mid-era Canon models, including: : iP2700, iP4800, iP4900, iP7240. MG Series : MG2120, MG3140, MG3540, MG5240, MG6140. Canon Service Tool V 3900 Free- Download
Given that the average cost of service tool hassle (~$20–$50 plus time) might exceed the value of an older printer, consider buying a refurbished Canon without the error. New entry-level printers cost as little as $40. Some third-party repair shops sell a legitimate-looking copy