Peeling device and ink jet printer

An ink jet printer comprising:

• a printhead configured to print on label paper including backing paper and a label attached to a first surface of the backing paper;
• an interposing roller pair including a first roller and a second roller, the first roller being configured to come into contact with the first surface, the second roller being configured to come into contact with a surface of the backing paper different from the first surface, the interposing roller pair being configured to interpose and transport the backing paper;
• a peeling plate provided on an upstream side of the interposing roller pair in a transport direction of the backing paper when the label is peeled off from the backing paper, the peeling plate being configured to bend a transport path of the backing paper, the first roller being a split roller including a shaft and a plurality of rollers through which the shaft is inserted;
• support portions configured to support the first roller;
• and
• a biasing member configured to come into contact with the shaft in an area on the first roller between the support portions, the biasing member being configured to bias the first roller toward the second roller.