Abstract: An ink including a pigment, water, and a resin is provided. An image formed with the ink on a print medium has a tack force of 6 gf or greater but 13 gf or less when measured at a probe temperature of 100 degrees C., where the image is a solid image formed at a resolution of 1,200 dpi, subsequently irradiated with light of 395 nm for 0.6 seconds, and left to stand at normal temperatures and normal humidities for 30 seconds.

Abstract: A liquid composition contains a macrocyclic compound enclosing a metal ion, water, and an organic solvent, wherein a recording medium where the liquid composition has been applied has at least one of an antibacterial activity or an antiviral activity.

Abstract: An ink set includes an ink A including water, a first organic solvent, and a first pigment and an ink B including water, a second organic solvent, a second pigment, and a urethane resin particle. The first organic solvent includes at least one of N,N-dimethyl-?-buthoxy propionamide, N,N-dimethyl-?-methoxy propionamide, and 3-ethyl-3-hydroxymethyl oxetane and has a mixing solubility parameter A of 10.00 to less than 13.00 and the second organic solvent has a mixing solubility parameter B of 13.00 to 16.00.

Abstract: An ink includes at least one polyether-modified siloxane compound, and at least one aliphatic alcohol alkylene oxide compound. The mass ratio of the polyether-modified siloxane compound to the aliphatic alcohol alkylene oxide compound in the ink is from 95/5 to 50/50.

Abstract: An ink including a pigment, water, and a resin is provided. An image formed with the ink on a print medium has a tack force of 6 gf or greater but 13 gf or less when measured at a probe temperature of 100 degrees C., where the image is a solid image formed at a resolution of 1,200 dpi, subsequently irradiated with light of 395 nm for 0.6 seconds, and left to stand at normal temperatures and normal humidities for 30 seconds.

Abstract: Provided is an ink including: a pigment-containing matter containing a pigment; an organic solvent; water; and a compound represented by General Formula (1) below. A difference (Ra?R0) is 2.0 or less, where Ra is a distance between a Hansen solubility parameter of the organic solvent and a Hansen solubility parameter of the pigment-containing matter determined by a Hansen solubility sphere method, and R0 is an interaction radius of the pigment-containing matter determined by the Hansen solubility sphere method. In the General Formula (1), R1, R2, R3, and R4 each independently represent a hydrogen atom or an alkyl group having 1 or more but 5 or less carbon atoms, and n represents an integer of 3 or more but 11 or less.

Abstract: Provided is a liquid discharging apparatus including a liquid discharging unit configured to discharge a liquid, and a dummy discharge receptacle including an absorbing member configured to absorb a liquid dummy-discharged by the liquid discharging unit, wherein the liquid discharging unit discharges a liquid having a resin content of 5% by mass or greater, and wherein the absorbing member of the dummy discharge receptacle is formed of melamine foam.

Abstract: An ink contains water, an organic solvent, a resin, and a pigment, wherein the organic solvent has a Hansen solubility parameter (HSP) value in a Hansen sphere in a ?D axis, ?P axis, and ?H axis coordinate space of a solid content of the ink.

Abstract: An ink comprises a pigment, a quinacridone derivative represented by the following Chemical formula 1. where R1, R2, R3, and R4 each, independently represent hydrogen atoms, halogen atoms, or alkyl groups having 1 to 4 carbon atoms. R5 and R6 each, independently represent alkyl groups having 1 to 4 carbon atoms, and m and n each, independently represent 0, 1, or 2, excluding a case where both m and n are simultaneously 0, and a solvent A having an SP value of from 9.0 to 11.0, wherein the proportion of the solvent A in the ink is less than 10 percent by mass.

Abstract: An ink and cleaning liquid set includes an ink comprising a coloring material and a resin and a cleaning liquid comprising water and at least one type of organic solvent, wherein the ink in a dried form has a glass transition temperature of from 40 to 90 degrees C. and the swelling ratio calculated from a mass of a film of the ink in a dried form before and after immersion in the cleaning liquid is 10 percent or greater according to the following relationship 1: swelling ratio (percent)=100×[(B?A)/A] Relationship 1, where A represents the mass of the film before the immersion and B represents the mass of the film after the immersion.

Abstract: An ink set includes an ink A including water, a first organic solvent, and a first pigment and an ink B including water, a second organic solvent, a second pigment, and a urethane resin particle. The first organic solvent includes at least one of N,N-dimethyl-?-buthoxy propionamide, N,N-dimethyl-?-methoxy propionamide, and 3-ethyl-3-hydroxymethyl oxetane and has a mixing solubility parameter A of 10.00 to less than 13.00 and the second organic solvent has a mixing solubility parameter B of 13.00 to 16.00.

Abstract: Provided is a liquid discharging apparatus including a liquid discharging unit configured to discharge a liquid, and a dummy discharge receptacle including an absorbing member configured to absorb a liquid dummy-discharged by the liquid discharging unit, wherein the liquid discharging unit discharges a liquid having a resin content of 5% by mass or greater, and wherein the absorbing member of the dummy discharge receptacle is formed of melamine foam.

Abstract: An ink set includes an ink A including water, a first organic solvent, and a first pigment and an ink B including water, a second organic solvent, a second pigment, and a urethane resin particle. The first organic solvent includes at least one of N,N-dimethyl-?-buthoxy propionamide, N,N-dimethyl-?-methoxy propionamide, and 3-ethyl-3-hydroxymethyl oxetane and has a mixing solubility parameter A of 10.00 to less than 13.00 and the second organic solvent has a mixing solubility parameter B of 13.00 to 16.00.

Abstract: An ink and cleaning liquid set includes an ink comprising a coloring material and a resin and a cleaning liquid comprising water and at least one type of organic solvent, wherein the ink in a dried form has a glass transition temperature of from 40 to 90 degrees C. and the swelling ratio calculated from a mass of a film of the ink in a dried form before and after immersion in the cleaning liquid is 10 percent or greater according to the following relationship 1: swelling ratio (percent)=100×[(B?A)/A] Relationship 1, where A represents the mass of the film before the immersion and B represents the mass of the film after the immersion.

Abstract: An image forming method includes applying an ink for the first time to a recording medium to form an image and rolling up the recording medium in a roll form, wherein the recording medium is continuous paper, the ink includes an organic solvent and a coloring material, and the image recorded matter has a tackiness power of from 80 to 110 nN.

Abstract: An ink comprises a pigment, a quinacridone derivative represented by the following Chemical formula 1. where R1, R2, R3, and R4 each, independently represent hydrogen atoms, halogen atoms, or alkyl groups having 1 to 4 carbon atoms. R5 and R6 each, independently represent alkyl groups having 1 to 4 carbon atoms, and m and n each, independently represent 0, 1, or 2, excluding a case where both m and n are simultaneously 0, and a solvent A having an SP value of from 9.0 to 11.0, wherein the proportion of the solvent A in the ink is less than 10 percent by mass.

Abstract: An ink includes at least one polyether-modified siloxane compound, and at least one aliphatic alcohol alkylene oxide compound. The mass ratio of the polyether-modified siloxane compound to the aliphatic alcohol alkylene oxide compound in the ink is from 95/5 to 50/50.

Abstract: An ink set includes an ink A including water, a first organic solvent, and a first pigment and an ink B including water, a second organic solvent, a second pigment, and a urethane resin particle. The first organic solvent includes at least one of N,N-dimethyl-?-buthoxy propionamide, N,N-dimethyl-?-methoxy propionamide, and 3-ethyl-3-hydroxymethyl oxetane and has a mixing solubility parameter A of 10.00 to less than 13.00 and the second organic solvent has a mixing solubility parameter B of 13.00 to 16.00.

Abstract: An image forming method includes applying an ink for the first time to a recording medium to form an image and rolling up the recording medium in a roll form, wherein the recording medium is continuous paper, the ink includes an organic solvent and a coloring material, and the image recorded matter has a tackiness power of from 80 to 110 nN.

Abstract: An ink set includes an ink A including water, a first organic solvent, and a first pigment and an ink B including water, a second organic solvent, a second pigment, and a urethane resin particle. The first organic solvent includes at least one of N,N-dimethyl-?-buthoxy propionamide, N,N-dimethyl-?-methoxy propionamide, and 3-ethyl-3-hydroxymethyl oxetane and has a mixing solubility parameter A of 10.00 to less than 13.00 and the second organic solvent has a mixing solubility parameter B of 13.00 to 16.00.