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

Published by Kevin Miller on

Error code 2, 140, 21

Canon Printers are one of the most responsible and multi-functional devices preferable by many users for their printing solution. It is a printing machine delivers a high quality of printouts in fast paced. It is a device also helps the users in scanning immense documents into a single PDF file. The Error Code 2, 140, 21 arises when a user connects the printer to a wireless router and downloads Canon IJ Utility to scan the documents. The Error code 2, 140, 21 comes up by stating an error message: “Printer is in use or an error has occurred. Check status. Scanner driver will be closed”. The troubleshooting procedures of such a Canon printer error problem are simple and easy so any non-tech person can also fix it. For more effective and fruitful assistance, you may directly contact to dexterous engineers. They will support you at high rated!

Efficacious Solutions To Fix Canon Printer Error Code 2, 140, 21

Here, we have discussed numbers of possible solutions in a very effective manner so that you can effort-freely troubleshoot this error code in the less amount of time. Hence, go through the following steps one-by-one and rectify the error code on your own. Have a look at here once:

Solution 1: Try To Stop Printing Process

You will encounter 140, 21, Canon Printer Error Code 2 most likely when scanning the document over Canon printer. To solve this bug, you are required to give your system a simple command to stop printing the document. Just, follow the below-written instructions to quick fix the error code 2, 140, 21 from your Canon printer.

  • First of all, go to the “Start” menu and choose Control Panel
  • Under the Control Panel section, find the option “Devices & Printers” and hit on it
  • Now, tap on your “Printer” button that is Canon printer
  • At the end, click on “Stop Printing” button to stop the printing process

Solution 2: Check Your Canon Printer Completely

For checking out your Canon printer completely, you need to focus on the below points:

  • Re-install the updated printer driver on your computer
  • The next step would be clean the cartridges with a wet cotton cloth
  • Press down the “Reset” button constantly for more than 5 seconds

Solution 3: Replace The Ink Cartridges

If the above solution is not effectual for you to rectify the error code from your Canon printer, then you may replace the ink cartridges as due to low ink available into the container may create trouble in printing and scanning as well. Hence, to sort out this error, it is important to replace the ink cartridges as sooner as possible. Install a Canon Ink Cartridge and get rid of this error in less time and effort. To do the same, follow the below instruction stepwise:

  • First note down the Canon Printer Brand and model number
  • Turn-on your Canon Printer and open the flap or Lid that enfolds the cartridge
  • Mention the Canon cartridge number and model type
  • Now, gently pull out the cartridges from its desired place to replace the cartridge or refill the ink if the ink is low or empty
  • Shake the brand new cartridge before unpacking it from the box
  • Remove the protective layer called protector that covers the ink dispenser
  • Now, insert the cartridge into your Canon printer
  • Try to print a test page to check

Solution 4: Factory Restore

Factory Restore is another possible remedy of the error code 2, 140, 21 that occurs generally in Canon Printer. With the printer restore, the entire settings changed by you will move into the factory defaults. It will just not rest the tray size, language or page count. To restore your Canon printer back to the factory default, you have to follow the given steps:

  • At first, you should turn your Canon printer off from the power button
  • Now, disconnect the power cable for few seconds and then reconnect the cable connection back to the printer
  • And then turn-on your Canon Printer while a tap and hold the resume button for 10 to 15 seconds. A light called Attention light will turn ON
  • Release the “Resume” button and then the light will start flashing in cycle till your Canon Printer will restore to factory defaults

Solution 5: Turn-off Firewall

  • Go to the Start menu and click on Control panel
  • Select the option “System and Security”
  • Choose the “Windows Firewall” or “Windows Defender” from the given list
  • Select the option Turn Windows Firewall ON or OFF
  • Choose the option saying “Turn off Windows Defender Firewall”
  • And then press “OK” to save the new Windows Firewall changes


Call At XYZ For Resolution of Canon Printer Error Code 2, 140, 21

To exterminate the problematic hurdles witnessed from the roots, try to interact with specialized and certified executives. The expert team will offer a high-end solution for complex and tricky warning and can be reached throughout the year 24 hours a day. Share with us your experience, problems, and feedback regarding the Canon printer on our official site. Our team will try to sort out your every technical related glitch within a short span of time in a cost-effective manner.

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