Light that has entered a lens held by a barrel portion of a three-dimensional circuit board transmitting virtually no visible light enters a semiconductor imaging device held inside the three-dimensional circuit board. In the printer, a machine plate is mounted on the outer circumference of a machine-plate cylinder section 12 fixedly provided on a machine-plate drive shaft 1. The method further includes dispatching the at least one write request to the memory in response to the first ordering queue entry. The mixer 7 mixes intermediate quadrature signal ISQR and the input shift signal SSFT to generate a quadrature signal SQR.