| 摘要 |
<p>PROBLEM TO BE SOLVED: To effectively prevent propagation of noises in a wiring member by setting slow a transmission speed of photographic print data in the wiring member even when the photographic print data are output from a printer main body synchronously with a high speed clock signal. SOLUTION: The print head includes a head substrate 1 where a circuit pattern 2 is formed and an image pixel array 3 and a driver IC4a are mounted, and a wiring member 7 having a plurality of wiring conductors 8 which have one ends electrically connected to the circuit pattern 2 of the head substrate 1 and the other ends connected to a serial-in parallel-out shift register 9. Serial photographic print data input from an external electric circuit are converted in parallel by the shift register 9, and the converted plurality of photographic print data are input in parallel to the driver IC4a on the head substrate 1 via the plurality of wiring conductors 8.</p> |
