To perform inking without particularly and directly contacting with a surface of wood, and perform accurate and clear inking even if an inking part is not smooth or even if deep color knot and pattern exist.

A fixing device 3 is movably installed on an inside surface of a frame-shaped base stand 1 which can stride over wood 2, and lateral linear guides 6 are arranged on the upper surfaces on both edges of the base stand 1, and a vertical linear guide 7 is movably arranged along these lateral linear guides 6, and a cartridge 9 having an ink nozzle and an ink tongue or the like is slidably installed on the vertical linear guide 7, and a control device 10 capable of controlling a movement or the like of the cartridge 9 and the cartridge 9 are connected to each other through a flexible base board 11.