A:AnswerGenerally, printheads should last 1.5 - 2 years before giving any problems like print quality issues. You shouldn't need to replace them until you see a message on the printer instructing you to do so.
A:AnswerThe Print Resolution on this Smart Tank 7001 Printer is: Black: Up to 1200 x 1200 rendered dpi; Color: Up to 4800 x 1200 optimized dpi color when printing from a computer and 1200 input dpi.