Well, this had then yet been sufficient to date, and thus the logic Seek toner only came today to use.
Installation all right, but unfortunately one side is completely blacked out, just the other side is legible. I do not know my way around with toners, so that I know now how it was to fix.
Unfortunately, the return warranty has expired so I unfortunately can not try with a new toner it. Maybe this one should not let so long wrapped what I know :-(
Update 04/12/2014: On this day I received a new toner sent this brand of ink printing. This works flawlessly so far. With so much goodwill I change like my previous review.