Too little ink can cause fuzzy appearing dots on your print. After that, the black cartridge worked (the test page showed some black line segments instead of none) however, I did need to run the black cartridge cleaning a couple of times to have all of the test page's black line segments show up.When printing your film separations, there are a few things to consider. I used a needle-nose pliers to rotate the pin to better center it. I further inspected the new black cartridge that I had installed and noted that the white plastic pin in the upper part of the print cartridge was not pointing straight out like the color cartridges white pins, but instead was pointing significantly up. I ran the self cleaning for the black cartridge a couple of times, but still no black would print. I had replaced my Brother MFC-5920DW's black cartridge after the printer alerted me that the black ink was running low however, after replacing the black cartridge, the printer would only print color, no black. Oxidation can build up between pins over time and this simple task can fix the problem in many cases. Unplug and replug any connectors that are related to this system - or just be thorough and replug every connector in the entire machine. If you're getting no black printing whatsoever and the problem is none of the above, take the device apart and verify all the connections. Something to check.Įach print head has a data cable going to it and sometimes they break or get unplugged. In an extreme case, I've used a small drill bit to create my own vent hole that I knew for certain was open.Īccording to this blog, there is an ink-level sensor on your device that might be malfunctioning or otherwise be in need of bypassing. On some models there are multiple holes being covered and it's easy to only pull the cover off of the first one or two. It's messy but usually cleans out a clogged head.įirst off, make sure that the little piece of plastic covering the vent hole is completely removed. I then use Qtips with rubbing alcohol to clean all of the remaining ink-paths that exist in the printer. I usually remove the print head (I believe on your device this requires taking the printer apart and removing the carriage) and soak it in rubbing alcohol. I'm not exactly sure what your problem is, but it is probably one of the following:

Black ink print test