Epson T21 Error 0xB9 The Epson T21 printer error code 0xB9 is displayed when there is an ink device error. This error indicates that there is a problem with the ink cartridge or the holder board assembly. It could be due to the failure of the Contact Image Sensor Chip (CSIC) or an issue with…
Epson T21 Error Code 0xB9 Part 59286
