Service Tool V3400 Download Exclusive Better Chip -
Using V3400 on newer printers (those requiring version V4720 or higher) can permanently lock the printer's service mode. This makes it impossible to use any service tool in the future.
Release both buttons. If the power light stays solid green, you are in Service Mode. Run the Software Download and extract the Service Tool v3400 executable. Service Tool V3400.exe as an administrator. Reset the Counter Ink Absorber Counter section, select from the absorber pull-down menu.
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Never modify a chip without a full binary dump.
Use verified hardware (like KESSv2, KTAG, or FGTech Galletto) that includes licensed software or open-source alternatives (e.g., PCMhammer for certain ECUs). Using V3400 on newer printers (those requiring version
Originally developed for industrial maintenance of legacy systems (circa 2014-2018), the V3400 gained a cult following in the DIY electronics, overclocking, and automotive tuning communities due to its ability to "rehabilitate" poorly binned chips.
: MG2120, MG2270, MG3120, MG3570, MG4270 If the power light stays solid green, you
V3400 is highly effective for older to mid-generation Canon Pixma models, including: iP2700, iP3600, iP4700, iP4870, iP4970 MP Series: MP230, MP250, MP270, MP280, MP480, MP490
