Are there any specific cleaning procedures for the print head contacts to resolve Error 009?

Yes, for Error 009, cleaning the print head contacts is crucial. Use a lint-free cloth or cotton swab lightly dampened with distilled water or 90%+ isopropyl alcohol. Gently wipe the gold-colored electrical contacts on both the print head and the carriage inside the printer. Ensure the contacts are completely dry before reinserting the print head.