Canon MB2120 – Waste Ink Counter Reset

Waste ink counter full on Canon MB2120 – how to reset it safely

If your Canon MB2120 stopped printing and displays 5B00 or “Ink Absorber Full”, you can restore it quickly. Reset the waste ink counter using WICReset Connect — no service visit required.

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Quick Summary

Enter service mode on Canon MB2120
Download & install WICReset Connect
Connect your printer via USB
Reset takes about 2 minutes

Required Step

How to Enter Service Mode on Canon MB2120

Follow this exact sequence:

Turn off your Canon printer.
Press and hold the Canon printer’s RESET button.
Press and hold the printer’s POWER button (wait a moment for the printer to turn on).
Release the RESET button but continue to hold the POWER button.
While holding the POWER button, press and release the RESET button 5 times.
After pressing and releasing the RESET button for the 5th time, wait a moment before releasing the POWER button.

If the printer does not enter service mode, unplug it for 10–15 seconds and repeat the sequence.

More methods available here:

All Canon Service Mode Guides

How to Reset Waste Ink Counter on Canon MB2120 – Step-by-Step

Step 1 – Download WICReset Connect

Click the button below to download WICReset Connect for Canon printers:

Download WICReset Connect

Step 2 – Enter Service Mode & Connect via USB

Ensure Canon MB2120 is in service mode.
Connect to your PC using a USB cable.
Wi-Fi is not supported for resetting.

Step 3 – Open WICReset Connect

Open WICReset Connect as Administrator.

Step 4 – Enter Your Reset Key & Click RESET

Buy a reset key using the button below.
Enter the key in the program.
Click RESET to start the operation.

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The reset takes about 2 minutes.

Step 5 – Restart Printer

Wait until the program confirms completion.
Turn the printer off for 10 seconds.
Turn it back on — errors should disappear.

Canon MB2120 Error Codes Explained

5B00 – waste ink absorber full
1700 – ink absorber almost full
5B02 – ink absorber full (reset required)

These errors do not mean your Canon MB2120 is damaged. It only means the internal waste ink counter reached 100% and must be reset.

WICReset Connect resets the counter safely in about 2 minutes.

Video Instructions – Canon Reset Tutorial

Watch the official Canon reset tutorial with voice-over and step-by-step explanation:

Open Video Instructions (Canon)

Available in 10 languages. Follow the video for a fast, safe reset.

FAQ – Canon MB2120 Reset

Will a reset fix my 5B00 error?

Yes, resetting the counter removes 5B00 instantly.

Why is Wi-Fi not allowed for this process?

The reset requires a direct USB communication channel.

How do I verify the printer is in service mode?

WICReset Connect will show it in the list when entered correctly.

What happens if the key is typed incorrectly?

The program will notify you — re-enter the correct key.

Can I print normally after the reset?

Yes, the printer will return to full functionality.

Reset Your Canon MB2120 Now

Fix ink absorber issues on your Canon MB2120 by entering service mode and running the reset tool.

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