If stains appear on the paper, try the following steps.
- Toner smudges may occur after a paper jam. In most cases, the printer cleans itself after printing several letter-size pages.
- You may have previously printed using paper that was too small for the printed document, which may have caused some toner to be deposited inside the printer instead of on the paper. This can cause smudges on the paper that goes through later. In most cases, the printer cleans itself after printing several letter-size pages.