There is provided an ink-jet recording apparatus including: a platen, a contact portion disposed between a pair of first ribs of the plurality of first ribs with respect to a scanning direction. A lower end of the contact portion is located lower than each upper end of the pair of first ribs. The platen includes a second rib disposed between one first rib of the pair of first ribs and the contact portion with respect to the scanning direction, and an upper end of the second rib is located lower than the upper end of the one first rib of the pair of first ribs and higher than the lower end of the contact portion.

An image forming apparatus includes a first light source, a second light source, an optical sensor, a storage, and a hardware processor that controls operation of the image forming apparatus, wherein the first wavelength and the second wavelength have a wavelength having a high correlation between the transmittance and the basis weight, compared with those at other wavelengths, and the hardware processor calculates a first transmittance from the amount of the first emission light and the amount of the first transmission light, calculates a second transmittance from the amount of the second emission light and the amount of the second transmission light, derives a first basis weight corresponding to the first transmittance, derives a second basis weight corresponding to the second transmittance, and derives a first average basis weight obtained by averaging the first basis weight and the second basis weight.

An image forming apparatus includes a first light source, a second light source, an optical sensor, a storage, and a hardware processor that controls operation of the image forming apparatus, wherein the first wavelength and the second wavelength have a wavelength having a high correlation between the transmittance and the basis weight, compared with those at other wavelengths, and the hardware processor calculates a first transmittance from the amount of the first emission light and the amount of the first transmission light, calculates a second transmittance from the amount of the second emission light and the amount of the second transmission light, derives a first basis weight corresponding to the first transmittance, derives a second basis weight corresponding to the second transmittance, and derives a first average basis weight obtained by averaging the first basis weight and the second basis weight.

An image forming apparatus includes a first light source, a second light source, an optical sensor, a storage, and a hardware processor, wherein the storage stores a first threshold for determining a type of the recording material based on the basis weight, and the hardware processor calculates a first transmittance from the mount of the first emission light and the amount of the first transmission light, calculates a second transmittance from the amount of the second emission light and the amount of the second transmission light, derives a first basis weight corresponding to the first transmittance and a second basis weight corresponding to the second transmittance, by using predetermined determination criteria, determines the type of the recording material based on the first basis weight and the second basis weight, and derives the basis weight according to the determination criteria based on the determined type of the recording material.

An image forming apparatus includes a first light source, a second light source, an optical sensor, a storage, and a hardware processor, wherein the storage stores a first threshold for determining a type of the recording material based on the basis weight, and the hardware processor calculates a first transmittance from the mount of the first emission light and the amount of the first transmission light, calculates a second transmittance from the amount of the second emission light and the amount of the second transmission light, derives a first basis weight corresponding to the first transmittance and a second basis weight corresponding to the second transmittance, by using predetermined determination criteria, determines the type of the recording material based on the first basis weight and the second basis weight, and derives the basis weight according to the determination criteria based on the determined type of the recording material.

A printing apparatus includes a transport unit that transports a medium in a transport direction, a support portion that supports the medium that is transported by the transport unit in a width direction that intersects with the transport direction, a printing unit that performs printing on a front surface of the medium which is supported by the support portion, a detecting unit that receives reflected light which is emitted on a rear surface of the medium that is transported on a detection position that is provided in a transport path of the medium, and a light-shielding portion that faces the detecting unit with the medium interposed therebetween during at least transport of the medium by the transport unit.

A printing apparatus includes a transport unit that transports a medium in a transport direction, a support portion that supports the medium that is transported by the transport unit in a width direction that intersects with the transport direction, a printing unit that performs printing on a front surface of the medium which is supported by the support portion, a detecting unit that receives reflected light which is emitted on a rear surface of the medium that is transported on a detection position that is provided in a transport path of the medium, and a light-shielding portion that faces the detecting unit with the medium interposed therebetween during at least transport of the medium by the transport unit.

A printing device including: a print head that performs printing on a printing target; a mount on which the printing target is placed; and a lift that positions a nail of a finger placed on the mount at a proper position appropriate for the printing by lifting the mount, and positions a printing medium other than the nail of the finger placed on the mount at a proper position appropriate for the printing by lifting the mount, wherein the mount includes a nail mount on which the finger or the nail is placed when the printing target is the nail of the finger and a medium mount on which the printing medium is placed when the printing target is the printing medium, and at least one of the nail mount and the medium mount is able to be attached and detached selectively according to the printing target.

There is provided an ink-jet recording apparatus including: a transporting roller; a driven roller provided opposite the transporting roller to sandwich the recording medium between the driven roller and the transporting roller, while moving in an approaching-departing direction based on a thickness of the recording medium; a first biasing member biasing the driven roller to the transporting roller; a platen; a recording portion configured to jet ink droplets from nozzles; and a cooperative portion moving along with the movement of the driven roller in the approaching-departing direction to move the platen.

There is provided an ink-jet recording apparatus including: a transporting roller; a driven roller provided opposite the transporting roller to sandwich the recording medium between the driven roller and the transporting roller, while moving in an approaching-departing direction based on a thickness of the recording medium; a first biasing member biasing the driven roller to the transporting roller; a platen; a recording portion configured to jet ink droplets from nozzles; and a cooperative portion moving along with the movement of the driven roller in the approaching-departing direction to move the platen.