Disconnect external hard drives, extra printers, or scanners to prevent the software from sending commands to the wrong hardware target.

Canon printers feature internal porous pads designed to absorb excess ink accumulated during printhead cleaning cycles and borderless printing. To prevent ink from leaking out of the machine and ruining your desk, the printer's firmware tracks ink usage mathematically. Once this internal counter hits 100%, the printer locks down.

Turn off the printer using its physical Power button (you may have to press it twice to force it to shut down from Service Mode). Unplug the USB cable, wait 10 seconds, and turn the printer back on normally. Your 5B00 error should now be completely gone. Crucial Troubleshooting & Error Codes

A file labeled "v4720" might actually be v3400 or v4900. Using the wrong version can lead to incorrect counter resets, making the printer report false ink levels or service errors.

: Sites like PrinterKnowledge often have long-standing threads where users share working links and troubleshooting tips.

Press and hold the Stop/Reset button (red triangle icon).

The software bypasses standard driver limitations to perform deep system overrides. Core Functions

If you are looking for standard drivers or official utilities (like the ), these can be safely downloaded from the Canon Korea Software Center or Canon USA Support . AI responses may include mistakes. Learn more

Canon printers are reliable workhorses, but they are programmed with built-in safety mechanisms that can abruptly halt your workflow. The most common of these stops is the infamous "Ink Absorber Full" error (often displaying error codes like 5B00 or 1700).

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Version 4720 is widely used because it bridges compatibility between older legacy systems and several generations of Pixma units, including:

To verify success, click the button inside the Test Print section. The printer will feed a sheet of paper and print a line of system metrics. Look for D=000.0 , which proves the waste ink density counter is officially at zero percent. Close the Service Tool application.

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