If you have refilled your cartridges or installed third-party ink, the printer may display a low-ink error (such as ) and refuse to print.
If the nozzle check pattern prints correctly (showing clear lines for both Black and Color), your hardware is fine, and your issue is likely software-based on your computer. If the test print shows banding, perform a "Deep Cleaning" cycle via the printer software on your PC (Maintenance tab > Deep Cleaning). canon mg2550 reset
Before delving into button combinations that look like cheat codes for a 1990s video game, start with the basics. The MG2550 has a small memory cache that can become corrupted. A "hard power cycle" is the first line of defense. If you have refilled your cartridges or installed