Read problems

when i burn cds (platinum 32x 40x 48x) with my hp9710i 16x10x40 at 8x the burn process is succesful with nero, but when i check the cd with cdcheck afterwards the last sectors are read terrible slow (last 5%). I’ve burned quite a lot, ±1000, and was wondering wat causes the problem?

does this problem also occur on other cd-r brands ?