To fix this problem, you must follow 2 step bellow, one is on printer site and other is with a canon service tool.

Ok, for first step is bring the printer to “Service Mode” with following steps:

Step 1 (hardware pre-reset mode):

1. Turn of the printer.

2. Press on “Stop/Exit” button and hold it, then press “On/Off” button to power up the printer and hold it too.

3. While holding the “on/off” button, release the “Stop/Exit” button and press it twice, then release the “on/off” button.

4. Wait until the printer screen show the “Service Mode / Idle”. After this you can go to step 2:

Step  (software final reset):

1. You must download the canon mx328 service tool here

2. Run the Service tool.

3. Shutdown the printer and turn it on, the error “5B00″ should be gone.

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