What does it mean when the Check Print Cartridge light is blinking?
A blinking Check Print Cartridge light indicates one of several issues, such as an open print cartridge door, missing or incorrectly seated cartridges, tape still on the print cartridge, an incorrect model, or a potential defective cartridge (Page 7).
From the official HP Deskjet F4100 All-in-One Printer manual, page 7
Have a follow-up question?
Answers from the official manual.
Common questions