How to Fix Canon Printer Error Code 2, 140, 21

Posted by Annie Edington on April 7th, 2021

Canon manufactures the best quality printers for both home and office use. Canon printers stand out from the rest in terms of quality. Both wireless and wired Canon printers are in demand as they offer great printing quality that measures up to user's expectations. If you are a Canon printer user, you are likely to face the error code 2, 140, 21 on your Canon printer. Canon Printers may often face such errors, but there is no need to get disheartened and think that the time for buying a new printer has come. You can fix the error code 2, 140, 21 in minutes. In the article, we have shared several different methods to get rid of the error code. Before solving the error code 2, 140, 21, one needs to know what causes the error code.

What Causes the Error Code 2, 140, 21?

The causes for the error code 2, 140, 21 may differ for printers. This can be due to a technical error inside your Canon printer. Sometimes, the error may appear due to hardware. In order to rectify the error code 2, 140, 21, you need to follow the instructions given below.

Methods to Rectify the Error Code

Those facing the error code 2, 140, 21 on their Canon printer may quickly get rid of the error with the help of the methods given below.

Reinstall the Driver

Outdated drivers may cause the error code 2, 140, 21. A Canon printer user can quickly rectify the error code by reinstalling the updated drivers. Follow the instructions:

• Go to the Control panel.
• Then, select Programs and Features.
• Select the outdated version of the drivers and uninstall them.
• After uninstalling the drivers, you can reinstall the latest versions of the drivers from Canon's official website.
• If the problem is related to drivers, this will fix the error code.

Turn off Firewall

Your Canon printer may fail to work properly when the Firewall is on. This may cause the error code to appear on the screen. Follow the steps:

• Open the Control panel.
• Select the "System and Security."
• Select the Windows Firewall or Windows Defender.
• Select the "Turn Windows Firewall OFF or ON" option.
• Checkmark on the bubble that appears just next to the "Turn Off Windows Defender Firewall."
• Now, click OK in order to save the changes that you have applied.

Replace the Cartridge

By replacing the cartridge, one can fix the error easily. Follow the steps:

• First of all, write down the Canon printer brand and model number.
• Turn on the Canon printer and open the lid that covers the cartridges.
• Mention the Canon cartridge number and the model type.
• Pull out the cartridges to replace them with a new one.
• It is recommended to shake the cartridge before you unpack it.
• Remove the ink dispenser and insert the cartridge into your Canon printer.
• Try printing a test page.

Restore to Default Settings

Factory Restore is a great way to get rid of several error codes on a Canon printer. To restore your Canon printer to default settings, you can follow the instructions:

• First and foremost, turn off your Canon printer by pressing the power button.
• Disconnect its power cables from the primary power source.
• Some minutes later, reconnect the cables back to your Canon printer.
• You need to turn on your printer and hold the button for at least 10 to 15 seconds.
• The light will start glowing. It indicates that your printer is in the ready state.
• Now, release the button, and then the light will start blinking.
• This indicates that your Canon printer is restored to defaults.

The methods above will help you fix the error code 2, 140, 21 and put the error code to an end. We hope you find the methods helpful.

Source: https://mysoftwaretutorial.com/how-to-fix-canon-printer-error-code-2-140-21