Patent ID: 7240900

Claim:
A recording medium transport device comprising: a transport roller unit that nips a recording medium and transports it to a recording area, the transport roller unit including a sheet detection lever coming in contact with a leading end part of the recording medium in a transport direction to detect it and a width detection lever coming in contact with the recording medium having a width in a width direction orthogonal to the transport direction to detect the width of the recording medium, the sheet detection lever and the width detection lever being disposed at an upstream side of the recording area in the transport direction, the sheet detection lever being disposed substantially at a center part of the recording medium in the width direction, the width detection lever being disposed at a side part away from the center part toward one side in the width direction; a first urging spring that urges the sheet detection lever; and a second urging spring that urges the width detection lever with an urging force set to be smaller than an urging force of the first urging spring.