Question
What does the 'E4' error code typically indicate in the HP Smart Tank 515 AIO printer?
Asked by: USER5854
86 Viewed
86 Answers
Answer (86)
The 'E4' error code in an HP Smart Tank 515 AIO printer generally indicates a problem with the ink cartridge or the ink supply system. It often signifies a blocked ink nozzle, an issue with the cartridge's connection, or a problem with the ink pump. It's a common error that requires troubleshooting.