Here are some steps to try when you have a printer that is making smudges or stains:

1. Inspect the Printer
   – Make sure that the printer is clean and that the cartridges are properly installed.
   – Check for any irregularities or malfunctions of the mechanical components.


2. Clean the Print Head
   – Refer to the printer manual for instructions on how to clean the print head.
   – Be sure to use the manufacturer-recommended cleaning solution and/or appropriate solvents.
   – If possible, use a lint-free cloth when cleaning the print head.


3. Replace the Ink Cartridges
   – Replace the old ink cartridges with new ones.
   – Make sure to use the correct ink as specified by the manufacturer.