Samsung CLT-P4072C / ELS Toner Rainbowkit, 1,500 pages, 1,000 pages per color black (Office supplies & stationery)
"Black toner must be changed soon ...!" Hab for pending applications the same time new (s) ordered toner. I thought buying all equal in this Value Pack that I am the same stored. 1 week ago, it was time, black was empty, so only replaced the bla