Canon Kabushiki Kaisha

Nobuhiro Ishizaka

Souhei Tanaka

Masahiko Watanabe

Toru Nakayama

Takashi Kasahara

Takuji Katsu

Masaaki Endo

An object of this invention is to increase the transfer rate of image data from a host computer to a printing apparatus. To achieve this object, a printing apparatus which divides the printing area in the printhead scanning direction into a plurality of regions and prints in each divided region in order to print by scanning the printhead on the printing medium includes a conversion circuit which rearranges image data that is transmitted from the host computer and arranged in a direction perpendicular to the data arrangement of the printhead, into image data in the same horizontal direction as the data arrangement direction of the printhead.

Printing apparatus and printer driver

A host device sends, as setting data, data including a registration adjustment value corresponding to a relative distance between nozzle arrays in a scanning direction. A recording apparatus includes a recording bufferthat stores recording data of each nozzle array in association with a recording position in a scanning direction. A record buffering structure control circuitcontrols to adjust storage positions of recording data of each nozzle array and store the recording data in the recording buffer, based on a registration adjustment value stored in a register and information regarding the readout order of the recording data.

Recording apparatus and data processing method for recording apparatus

To accelerate processing that generates recording data at a host computer, a host device sends, as setting data, data including a first registration adjustment value corresponding to a relative distance in a scanning direction between respective nozzle arrays and a second registration adjustment value corresponding to an inclination of each recording element array in a direction intersecting with a scanning direction, a recording apparatus includes a recording bufferthat stores recording data of each nozzle array in association with a recording position in a scanning direction, and a record buffering structure control circuitperforms control to adjust storage positions of recording data of each nozzle array based on the two registration adjustment values stored in a register and store the data in the recording buffer

Recording apparatus, data processing method for recording apparatus, and recording system

A serial type printing apparatus includes: a reception buffer that stores printing data of respective arrays of printing elements subjected to adjustment by a first unit concerning a relative position in a scanning direction among the respective arrays of printing elements and setting data including registration information by a second unit smaller than the first unit concerning the relative position in the scanning direction, the data being transmitted from a host apparatus connected to the printing apparatus; and a print buffer that stores printing data of the respective arrays of printing elements in association with printing positions in the scanning direction. The printing apparatus performs control to adjust storing locations of the printing data of the respective arrays of printing elements by the second unit on the basis of the registration information and store the printing data in the print buffer. Consequently, it is possible to reduce a buffer size of the printing apparatus and improve an actual printing speed from instruction of printing until the printing is actually started.

Printing apparatus, data processing method for printing apparatus, and printing system

In a printing apparatus including a reception buffer which stores setting data and printing data of printing element arrays transmitted from a connected host device, and a printing buffer which stores the printing data of the printing element arrays in association with printing positions in a scanning direction, the printing data are controlled to be stored in the printing buffer by adjusting the storage positions of the printing data of the printing element arrays on the basis of registration information which is contained in the setting data and corresponds to the relative distance between the printing element arrays in the scanning direction. Read address information for reading out the printing data stored in the printing buffer is controlled for each printing element array. Printing is performed by driving each printing element array in accordance with the printing data read out on the basis of the read address information. The printing apparatus executes a registration adjustment process associated with the relative distance between the printing element arrays that has conventionally been done in a host device, simplifying a printing data generation process by the host device.

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Kawasaki, Japan

Nobuhiro Ishizaka