My canon ts3122 wireless printer did but now - will not print

Please refer to these Wireless Connection notes.
Ensure the printer is enabled. The lights are illuminated while the electricity is on.
If the printer cleans, click head alignment or other procedures, wait until the operation is completed.
To stop, press the button, Stop if the Wi-Fi flashes.
Launch wireless configuration via any one method of the following:
Option 1: Send information from the mobile device router directly to the printer.
Option 2: Use the Inkjet and SELPHY Canon PRINT application for Android or iOS ®. Option 3: The push-button method of WPS is used.
Option 4: Input the device's WPS PIN code.
By following the mentioned methods above you will be able to Setup Canon TS3122 wireless printer . You can also visit https://canonhelpsupport.com/ for more details.

Steps to canon Pixma ts3122 setup

Step 1: You must ensure that your printer is linked to the energy source and turned on in the first step to connect Canon Pixma ts3122 Wireless Setup. When the printer is switched on, the green light right next to the energy button will light up.
Step 2: If the energy light begins to flash, check the printer now, then press the Stop button. After that, until the wireless icon begins flashing, click and hold the network button on your printing machine.
Step 3: Now you'll see a blue colored button on your wireless router to connect Canon TS3122 Printer to Wi-Fi. That button is the button of the WPS. Click that button. You must do it on your canon ts3122 setup Printer within two minutes of activating WPS.
Step 4: When the printer's display screen displays wireless icons and signal bars simultaneously, your printer will be linked to the Wi-Fi router.
Step 5: Insert the CD that joined the canon pixma ts3122 setup into your computer system to install the software. By entering the internet address ij.start.canon, you can also download the setup file.
Step 6: Click on the connections to download the software for your printer, such as Read online handbook, setup, commonly asked questions.
Step 7: Open the downloaded file on your desktop. Click the configuration to begin. The installation software will attempt to obtain the recent software and driver updates information. It will take some time. Now select your residence location and then click on next.
Step 8: You will see the license agreement screen before you. Click yes to proceed with the installation process.

If you're looking forward to understanding how to link Canon Printer to the wireless network, some of the points you need to follow are listed below.
Please guarantee that your Wi-Fi router is accessible and correctly configured before linking your printer to the wireless network. In addition, your computer system must be linked to the wireless network.

For more details please go through this error: Canon ts3122 Wireless Printer Setup

I would check to that you have the newest print driver installed.