If your Canon printer is not printing black color on paper, there could be several reasons for this issue. To know more about canon printer not printing black color on paper. Here are some troubleshooting steps you can try to resolve the problem:

1. Check Ink Levels: Ensure that the black ink cartridge has sufficient ink. Most printers have a utility that allows you to check ink levels. If the cartridge is low or empty, replace it with a new one.

2. Print Head Alignment: Run a print head alignment or nozzle check utility from your printer's settings. This will ensure that the print head nozzles are properly aligned and can deliver ink accurately.

3. Clean Print Heads: If the print head nozzles are clogged, it can lead to poor print quality. Many Canon printers have a cleaning utility that can be run to clear the clogged nozzles.

4. Use Genuine Cartridges: Using non-genuine or refilled cartridges can lead to print quality issues. Make sure you are using genuine Canon ink cartridges.

5. Check for Air Bubbles: Sometimes air bubbles can get trapped in the ink cartridge, preventing proper ink flow. Gently tap the ink cartridge on a surface to remove any possible air bubbles.

6. Check Printer Settings: Ensure that the printer settings are configured correctly. For example, make sure that the printer is not set to print in "Grayscale" mode, which would exclude color printing.

7. Update or Reinstall Drivers: Outdated or corrupted printer drivers can cause printing issues. Make sure you have the latest drivers installed for your printer model.

8. Paper Quality and Settings: Ensure that you are using the correct type of paper for your printer and that the paper settings in the print dialog match the type of paper you're using.

9. Restart Printer: Sometimes a simple restart of the printer can help resolve minor issues.

10. Check for Firmware Updates: Ensure that your printer's firmware is up to date. Manufacturers often release firmware updates to address known issues.

11. Perform a Hard Reset: If none of the above steps work, you can perform a hard reset of your printer. Consult your printer's manual for instructions on how to do this. To know more about canon printer troubleshooting. 

If you've tried all these steps and the issue persists, it might be best to contact Canon's customer support or visit an authorized service center for further assistance. They can provide more specific guidance based on your printer model and the exact issue you're facing.