A printhead is the core component of a printer that transfers ink or toner onto paper. If you're looking for synonyms for the term, you may use the term print mechanism, imaging unit, or print engine. Other synonyms for printhead include print head assembly, print cartridge, or inkjet head. The term print nozzle can also be used, especially in reference to inkjet printers. In commercial printing, the term print drum is used, or the term imaging drum on laser printers. Additionally, the term writing head is used in some computer printers to refer to the same component. Whatever term you use, it is essential to take care of your printhead to ensure the longevity and quality of your printing results.