Printer unit for transaction device

A printer unit, for a transaction device, comprising:

• a base frame;
• a moving frame rotatable, about a rotation center, between a first position and a second position with respect to said base frame in such a manner that said moving frame is rotatable to the first position so as to store rolled paper in a rolled-paper storage space and said moving frame is rotatable to the second position so as to allow replacement of the rolled paper, said moving frame including:
• a rolled-paper shaft for supporting the rolled paper;
• a print head for printing on the rolled paper;
• and
• a paper-discharge presenter for discharging the paper printed by the print head,
• wherein said moving frame is rotatable relative to said base frame by a rack and pinion, and the rack is disposed along an arc having the rotation center as its center.

A printer unit, for a transaction device, comprising:

• a base frame;
• a moving frame rotatable, about a rotation center, between a first position and a second position with respect to said base frame in such a manner that said moving frame is rotatable to the first position so as to store rolled paper in a rolled-paper storage space and said moving frame is rotatable to the second position so as to allow replacement of the rolled paper, said moving frame including:
• a rolled-paper shaft for supporting the rolled paper;
• a print head for printing on the rolled paper;
• and
• a paper-discharge presenter for discharging the paper printed by the print head;
• and
• a rack and pinion disposed between said base frame and said moving frame, wherein said rack and pinion are loaded to regulate rotation of said moving frame relative to said base frame, and wherein the rack is disposed along an arc having the rotation center as its center.