A dispenser for dispensing a sheet material, comprising: a housing; a supply of the sheet material received within the housing for feeding the sheet material along a discharge path defined at least partially through the housing; a feed roller rotatably mounted within the housing and arranged along the discharge path, the feed roller comprising a body having a chamber defined therein and an exterior surface (30, 328) against which the sheet material is engaged; one or more pressing rollers positioned adjacent the feed roller and biased toward the body of the feed roller so as to engage the sheet material between the one or more pressing rollers and the exterior surface (30, 328) of the feed roller; and a cutting mechanism at least partially disposed within the chamber defined within the body of the feed roller and comprising: a cutting blade configured to at least partially cut, score, or perforate the sheet material as the sheet material is dispensed; and at least one movable support connected to the cutting blade and operatively connected to the body (30, 328) of the feed roller, wherein the at least one moveable support is caused to actuate with rotation of the feed roller so as to move the cutting blade out from and into one or more openings defined along the body (30, 328) of the feed roller as the feed roller rotates, and with the cutting blade moved out from the body (30, 328) of the feed roller to an extent sufficient to at least partially cut, score, or perforate the sheet material as the sheet material is dispensed; and one or more biasing members connected to the body (30, 328) of the feed roller to assist rotation thereof and for assisting movement of the cutting blade into and out from the one or more openings of the body (30, 328) of the feed roller. a housing; a supply of the sheet material received within the housing for feeding the sheet material along a discharge path defined at least partially through the housing; a feed roller rotatably mounted within the housing and arranged along the discharge path, the feed roller comprising a body having a chamber defined therein and an exterior surface (30, 328) against which the sheet material is engaged; one or more pressing rollers positioned adjacent the feed roller and biased toward the body of the feed roller so as to engage the sheet material between the one or more pressing rollers and the exterior surface (30, 328) of the feed roller; and a cutting mechanism at least partially disposed within the chamber defined within the body of the feed roller and comprising: a cutting blade configured to at least partially cut, score, or perforate the sheet material as the sheet material is dispensed; and at least one movable support connected to the cutting blade and operatively connected to the body (30, 328) of the feed roller, wherein the at least one moveable support is caused to actuate with rotation of the feed roller so as to move the cutting blade out from and into one or more openings defined along the body (30, 328) of the feed roller as the feed roller rotates, and with the cutting blade moved out from the body (30, 328) of the feed roller to an extent sufficient to at least partially cut, score, or perforate the sheet material as the sheet material is dispensed; and one or more biasing members connected to the body (30, 328) of the feed roller to assist rotation thereof and for assisting movement of the cutting blade into and out from the one or more openings of the body (30, 328) of the feed roller. a cutting blade configured to at least partially cut, score, or perforate the sheet material as the sheet material is dispensed; and at least one movable support connected to the cutting blade and operatively connected to the body (30, 328) of the feed roller, wherein the at least one moveable support is caused to actuate with rotation of the feed roller so as to move the cutting blade out from and into one or more openings defined along the body (30, 328) of the feed roller as the feed roller rotates, and with the cutting blade moved out from the body (30, 328) of the feed roller to an extent sufficient to at least partially cut, score, or perforate the sheet material as the sheet material is dispensed; and one or more biasing members connected to the body (30, 328) of the feed roller to assist rotation thereof and for assisting movement of the cutting blade into and out from the one or more openings of the body (30, 328) of the feed roller.