The question, why is my printer not blinking black Epson is very typical. There may be several reasons due to which your Epson printer is not printing black. There can be issues in the ink cartridge or the source data, and also, there are more chances that the print head is clogged and needs proper cleaning. So, clean your print head. but first, you will need to identify whether the print head in your printer has an automatic cleaning feature or not.