The v4720 version is particularly effective for the "G" series (MegaTank) and older Pixma models, including: G1000, G2000, G3000, G1400, G2400, G3400. Pixma IP Series: iP2770, iP2772, iP2870. Pixma MG Series: MG2570, MG2470, MG3500. How to Use Service Tool v4720 (Step-by-Step)
Service Tool v4720: The Essential Maintenance Utility for Canon Printers
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