A dispenser having a transfer mechanism for transferring between a first
source and a second source of sheet material, and a method for
transferring between the first source and the second source. Dispensing
is transferred from a first source to a second source upon an absence of
sheet material from the first source. The transfer mechanism includes a
transfer roller with a slot to receive a free end of sheet material from
the second source. The transfer roller also includes a plurality of
raised portions, the raised portions are free to rotate through a
dispensing roller when there is an absence of sheet material from the
first source. This rotation introduces the free end of sheet material
from the second source to the dispensing roller, and allows dispensing
from the second source. Afterwards, the transfer roller is set to receive
sheet material from a new source of sheet material.