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You do not need to buy a new printer or pay for expensive service center repairs. The is the exact software factory technicians use to reset these waste ink counters and unlock your printer instantly.

Before downloading, ensure your printer model is on this compatibility list: iP2770, iP3600, iP4700, iP4870, iP4970 PIXMA MP Series: MP230, MP250, MP280, MP287, MP490, MP495

Here are some top websites where you can download Canon Service Tool V3900:

If you reset the counter multiple times without cleaning or replacing the physical absorbers, excess ink will eventually overflow out of the bottom of the printer, damaging your desk, floors, or internal electronic circuits.

Before you download, ask yourself:

If you tried to use an old version and now can't enter Service Mode, your motherboard may be permanently locked.

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