Canon publicly distribute this tool. Any download you find will come from unofficial sources, making safety a priority. Avoid random file-sharing sites.
Communicates properly with newer printer models (like the TS or TR series) that older v3400 versions cannot handle. Key Benefits of Using Service Tool v3400 service tool v3400 download better chip
In the "Ink Absorber Counter" section, click on "Absorber" and select . Click SET (next to the counter value). Wait for the "Function Succeeded" message. Canon publicly distribute this tool
// V3400 Enhancement Script for STM32F1 CONNECT SWD FREQ=4000; READ_UID; IF (UID_BATCH > 0x320) THEN WRITE_REG RCC_CFGR = 0x0F400312; // Set PLL to 96MHz WRITE_REG FLASH_ACR = 0x00000032; // 2 wait states, prefetch on CALIBRATE_HSI; ENDIF; REBOOT_TARGET; VERIFY_CLOCK; Communicates properly with newer printer models (like the
The phrase "better chip" often refers to the need for a physical or a "chipless" solution if the software fails or permanently locks the printer.
Keep both buttons pressed. When the green light comes on, release the button.