I have faced the same issue while installing Odoo17 and here is how I fixed it.
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1. Find the installed version of Wkhtmltopdf 
   apt show wkhtmltopdf
   

2. Remove if it is 0.12.6 or greater
   apt remove wkhtmltopdf

3. Find the best suitable package version which is 0.12.6.1-3 based on your server from the below mentioned url
   https://github.com/wkhtmltopdf/packaging/releases/tag/0.12.6.1-3
   
4. In my case for Ubuntu22.04 and amd64 architecture, I copied this download link
   https://github.com/wkhtmltopdf/packaging/releases/download/0.12.6.1-3/wkhtmltox_0.12.6.1-3.jammy_amd64.deb
   
5. Download the package
   wget https://github.com/wkhtmltopdf/packaging/releases/download/0.12.6.1-3/wkhtmltox_0.12.6.1-3.jammy_amd64.deb
   

6. Install the package
   dpkg -i wkhtmltox_0.12.6.1-3.jammy_amd64.deb

7. In case of any dependency issue, run the below command to fix it
   apt install -f
   

8. Symlink the binaries to the Odoo readable folders
   sudo ln -s /usr/local/bin/wkhtmltopdf /usr/bin
   sudo ln -s /usr/local/bin/wkhtmltoimage /usr/bin

This did setup Wkhtmltopdf correctly on my server and resolved the Headers/Footers issue.

This is simply the solution , from maduka Sopulu : https://medium.com/@chris-maduka/wkhtmltopdf-error-6-while-printing-odoo-v17-on-ubuntu-22-0-04760b48353b

@Harshad Padaya thank you your solution works great even with ubuntu 24.04 running odoo 17.... i had wkhtmltopdf v0.12.6.1-2 the jammy version works well ith 24.04. and you have the latest version installation. maybe odoo will create their own pdf engine in next verison.

Hi,

Please verify that all the URLs in the system parameter is same as your URL Settings -> Technical -> parameters -> system parameters

On searching URL you can see the below options. verify the URLs are same as your URL

If it is okay, Then Please uninstall your current wkhtmltopdf package and install it again. You can use the below code

sudo wget https://github.com/wkhtmltopdf/wkhtmltopdf/releases/download/0.12.5/wkhtmltox_0.12.5-1.bionic_amd64.deb

sudo dpkg -i wkhtmltox_0.12.5-1.bionic_amd64.deb

sudo apt install -f

Hope it helps

Hi,
Install wkhtmltopdf version 0.12.5 and see if it makes any difference.

Refer to this existing post:  https://www.odoo.com/forum/help-1/wkhtmltopdf-how-do-i-install-0-12-5-1-the-one-odoo-needs-on-ubuntu-20-04-177412

Thanks

Hi all,

what to post the solution, but I am not allowed because I do not have enough Karma points.

How can I post the solution?

thanks in advance

HK