Error code 393-927, 393-928, 393-929, 393-924 will point to Yellow, Magenta, Cyan and Black respectively suggesting a Communication Fault between the Toner CRUM and and cartridge. You may find that the pins are damaged which will be obvious upon inspection. But don’t worry it’s not a hard job to replace. Please watch the video to see how and the see the part number itself.
Post time: Aug-15-2019