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US 2017/0282557 A1Published application
Image forming method
AssigneeSeiko Epson Corporation
InventorsMasayuki MURAI, Masakazu OHASHI, Ryota MIYASA, Kosuke CHIDATE, Takako SUGIYAMA
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Abstract
An image forming method includes discharging an ink jet ink composition which contains a diketopyrrolopyrrole pigment and a solvent having a SP value of equal to or lower than 13 by using an apparatus including a piezo ink jet head satisfying the following Expression (1). 0.13≦{(discharge amount per droplet ejection)/(volume of ink pressure chamber)}×100 (1)
Claims11
An image forming method comprising:
- discharging an ink jet ink composition which contains a diketopyrrolopyrrole pigment and a solvent having a SP value of equal to or lower than 13 by using an apparatus which includes a piezo ink jet head satisfying the following Expression (1).
- 0.13≦{(discharge amount per droplet ejection)/(volume of ink pressure chamber)}×100 (1)
Dependencies are inferred from the claim text.