What can I do to ensure my printer is recognizing the correct paper weight?

1. Check that the printer settings are correct.
2. Verify the type of paper being used.
3. Ensure the paper cassette (or tray) is loaded correctly.
4. Clean the paper feed rollers if they appear to be clogged or dirt is visible.
5. Replace any worn, torn or unusable paper with new paper.
6. Replace the toner or cartridge if necessary.