If your HP printer won’t print black or missing in colours even with recently installed ink cartridges, don’t fuss. It’s a pretty normal printer issue you can encounter at least once in your printer’s lifespan. Here’s what you can do. It’s a step by step simple solution to keep your machine printing. Why printer missing in colours? There are numerous reasons your HP printer won’t print black or another colour. The only way to discovery the answer is to remove the cartridges and start identifying the problem from there. Possible causes of missing colours are: •Clogged printer head •Old version of printer driver For more info visit here: https://www.hpprintersupportpro.us/blog/...nt-print-black/