Canon TR7520/ TR8520 Error code 1240

Are you having trouble with your Canon TR7520/ TR8520 printer? Are you getting an error code 1240? If so, don’t worry! This blog post will show you how to fix the problem. Keep reading to find out more.

What is Error code 1240 on the Canon TR7520/TR8520 printer and what does it mean?

The Canon TR7520 and TR8520 printers are great machines. However, like all machines, they can occasionally run into problems. One such problem is error code 1240.

Error code 1240 means that the Operation Panel is not in the open position. In other words, the printer thinks that the door is still closed when it is actually open. This can be a very annoying problem, but fortunately, it is fairly easy to fix.

How to fix Error code 1240 on the Canon TR7520/TR8520 printer

first Open the operation panel of your Canon TR7520/TR8520 printer and press the setup button. then Pull out the paper output tray extension and open the paper output tray.

Also, Lift up the scanning unit support lever (A) to release the lock, then open the scanning unit cover (B). After that Take out any jammed paper from inside the printer.

If you still see some paper stuck inside, gently remove it with your hands. After the panel is fully opened, select OK on the touch screen.

Finally, Close the scanning unit cover and push down the scanning unit support lever to lock it in place. Your printer should now be functioning properly.

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If you follow these steps, you should be able to fix error code 1240 on your Canon TR7520/TR8520 printer. If the problem persists, you may need to contact Canon customer support for further assistance.

Why does my Canon Printer say there is no paper in the rear tray?

If your Canon printer is displaying an error message that says “no paper in the rear tray,” it means that the printer is not detecting any paper in the rear tray. This can be caused by a few different things:

1. The rear tray might not be properly loaded with paper. Make sure that the paper is loaded correctly in the tray, and that the stack of paper is even and flat.

2. There might be something blocking the sensors in the rear tray. Check to see if there is anything blocking the sensors, such as a piece of tape or a label. If so, remove it and try again.

3. The sensors in the rear tray might be dirty or damaged. Try cleaning the sensors with a soft, dry cloth. If that doesn’t work, you might need to replace the sensors.

4. There might be a problem with the printer itself. If none of the above solutions work, there could be a problem with the printer itself. In this case, you’ll need to contact Canon customer support for further assistance.


That’s it! You have now successfully fixed your Canon TR7520/ TR8520 printer with the error code 1240. We hope you found this guide helpful and that it saved you from having to purchase a new printer. 

If you did find this guide helpful, please share it with your friends and family who may also be experiencing this issue. And as always, if you have any questions or concerns, please leave us a comment below and we will get back to you as soon as possible. Have a great day!

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