A detection device includes an electrostatic capacitance sensor including an electrode pair and being configured to detect electrostatic capacitance of a medium brought into contact with the electrode pair, and a first ultrasonic wave sensor including a first transmission unit configured to transmit an ultrasonic wave and a first reception unit configured to receive an ultrasonic wave transmitted from the first transmission unit. The transmission unit and the reception unit are positioned to sandwich the medium.

A detection device includes an electrostatic capacitance sensor including an electrode pair and being configured to detect electrostatic capacitance of a medium brought into contact with the electrode pair, and a first ultrasonic wave sensor including a first transmission unit configured to transmit an ultrasonic wave and a first reception unit configured to receive an ultrasonic wave transmitted from the first transmission unit. The transmission unit and the reception unit are positioned to sandwich the medium.

The pretreatment liquid of the present invention is applicable for a fabric to be used for inkjet textile printing, and the pretreatment liquid contains a block copolymer including a hydrophobic block derived from a hydrophobic resin having an SP value of less than 11 and a hydrophilic block derived from a hydrophilic resin having an SP value of 11 or more, with the difference between the SP values of the hydrophobic resin and the hydrophilic resin of 1.0 or more; and water.

The pretreatment liquid of the present invention is applicable for a fabric to be used for inkjet textile printing, and the pretreatment liquid contains a block copolymer including a hydrophobic block derived from a hydrophobic resin having an SP value of less than 11 and a hydrophilic block derived from a hydrophilic resin having an SP value of 11 or more, with the difference between the SP values of the hydrophobic resin and the hydrophilic resin of 1.0 or more; and water.

A liquid ejecting apparatus includes a liquid ejecting head, a holding member holding the liquid ejecting head, a fixing member including a head portion, an engaging portion, and a shaft portion that couples the head portion to the engaging portion, and an elastic member including a first opening into which the shaft portion is inserted. One of the liquid ejecting head and the holding member includes a second opening into which the shaft portion is inserted, and the other one of the liquid ejecting head and the holding member includes a first engaged portion to be engaged with the engaging portion. The liquid ejecting head is fixed to the holding member by the engaging portion being brought into engagement with the first engaged portion such that the first opening and the second opening are disposed between the head portion and the engaging portion.

A liquid ejecting apparatus includes a liquid ejecting head, a holding member holding the liquid ejecting head, a fixing member including a head portion, an engaging portion, and a shaft portion that couples the head portion to the engaging portion, and an elastic member including a first opening into which the shaft portion is inserted. One of the liquid ejecting head and the holding member includes a second opening into which the shaft portion is inserted, and the other one of the liquid ejecting head and the holding member includes a first engaged portion to be engaged with the engaging portion. The liquid ejecting head is fixed to the holding member by the engaging portion being brought into engagement with the first engaged portion such that the first opening and the second opening are disposed between the head portion and the engaging portion.

A recording apparatus includes a recording head configured to perform recording on a recording medium being conveyed in a conveyance direction, a carriage in which the recording head is mounted, the carriage being configured to perform scanning in a scanning direction that intersects the conveyance direction, and a guide member including a flat surface configured to guide the carriage in the scanning direction. The carriage includes a sliding part configured to slide in contact with the guide member, an impregnated member impregnated with lubricant on at least one side of the sliding part in the scanning direction, and a pressure member configured to press the impregnated member to the guide member side from a surface on a side opposite to the guide member with respect to the impregnated member.

An ink set including an inkjet ink, and a treatment liquid used in combination with the inkjet ink, wherein the inkjet ink includes a pigment, a water-soluble organic solvent, a surfactant and water, the treatment liquid includes a coagulant, an organic solvent and water, the coagulant includes calcium nitrate in an amount of 21.5 to 41.7% by mass relative to the total mass of the treatment liquid, an amount of organic solvent having a boiling point at one atmosphere of 240° C. or higher in the treatment liquid is not more than 8% by mass, a pH of the treatment liquid is within a range from 3.5 to 10.5, and a viscosity of the treatment liquid at 25° C. is within a range from 5.5 to 18.5 mPa.Math.s.

An ink set including an inkjet ink, and a treatment liquid used in combination with the inkjet ink, wherein the inkjet ink includes a pigment, a water-soluble organic solvent, a surfactant and water, the treatment liquid includes a coagulant, an organic solvent and water, the coagulant includes calcium nitrate in an amount of 21.5 to 41.7% by mass relative to the total mass of the treatment liquid, an amount of organic solvent having a boiling point at one atmosphere of 240° C. or higher in the treatment liquid is not more than 8% by mass, a pH of the treatment liquid is within a range from 3.5 to 10.5, and a viscosity of the treatment liquid at 25° C. is within a range from 5.5 to 18.5 mPa.Math.s.

A recording apparatus includes a supply portion for supplying an airflow, a blowing port that is formed in a slit-like form following a width direction orthogonal to a conveying direction of a discharged medium, for blowing out the airflow supplied from the supply portion, the blowing port being formed with a channel, through which the airflow flows, extending in a direction substantially perpendicular to a conveyance region of the discharged medium, from an inlet side at which the airflow is introduced, to an outlet side, and a supporting member provided on the inlet side of the blowing port to support opposing wall faces of the blowing port, while allowing passage of the airflow. The blowing port has a narrow portion that partially narrows a width of the channel, father on the outlet side than the supporting member of the wall faces forming the channel.