Canon MB5050 – Waste Ink Counter Reset

How to unlock Canon MB5050 when waste ink counter reaches 100%

Canon MB5050 error 5B00? Reset the waste ink counter using WICReset Connect and resume printing immediately.

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Quick Summary

Enter service mode on Canon MB5050
Download & install WICReset Connect
Connect your printer via USB
Reset takes about 2 minutes

Required Step

How to Enter Service Mode on Canon MB5050

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 MB5050 – 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 MB5050 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 MB5050 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 MB5050 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 MB5050 Reset

What is a waste ink counter?

It’s an internal counter that tracks how much waste ink was collected.

Why does the Canon MB5050 stop printing?

When the counter reaches the limit, the printer locks for safety.

Do I need any special cables?

Just a standard USB cable is required.

Can I damage the printer during reset?

No, the reset is software-based and safe.

Do I need to reinstall drivers?

Typically no, Windows detects the printer automatically.

Reset Your Canon MB5050 Now

Resetting the waste ink counter on your Canon MB5050 takes only a moment — start the process now.

Buy Reset Key Supported Models