To replace a faulty printer cartridge, here’s a list of things you can do:

1. Assess what kind of printer cartridge you need to replace with.
2. Look for the same type of printer cartridge that is compatible with your printer.
3. Carefully remove the old faulty printer cartridge from the printer.
4. Install the new printer cartridge.
5. Check your printer settings.
6. Print a test page to check if the printer is working correctly.