Red lights (Ink and Paper indicators) flashing alternately or simultaneously.
Best for: Facebook Groups, Telegram Channels, or Twitter. Adjustment Program Epson L14150
(saves the printer from e-waste). 1/5 for average home users (too dangerous; just pay a repair shop $50). The Ultimate Guide to the Epson L14150 Adjustment
Note: Always check your physical ink pads if the printer has been used heavily! Why You Need It