A toner for an image-forming apparatus and method which apparatus has a
cleaning means with a cleaning blade to remove a residual toner remaining
on a surface of a photoconductive member after transfer; the toner being
a mixture of a colored polymer particle and an external additive. The
colored polymer particle has an average circle degree in the range of
0.95-0.995 and a volume average particle diameter in the range of 3-8
.mu.m. The toner has an absolute value of charge amount in the range of
20-70 .mu.C/g in a toner layer formed on a developing roll when the toner
is used with the image-forming apparatus.