Title:
INK JET RECORDER
Document Type and Number:
Japanese Patent JP3216706
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent printing defects by surely discharging ink of which is thickened in a recording head.
SOLUTION: Recording heads 7, 8 are sealed with caps 12, 13, respectively and they are isolated with the open air. In this condition, negative pressures by suction pumps 14, 15 are exerted on the respective recording heads 7, 8 so that a first quantity of ink is sucked from the recording heads 7, 8. Next, the caps 12, 13 are communicated to the open air and the negative pressures of the suction pumps 14, 15 are exerted thereon, then ink in the caps is discharged. The recording heads are wiped by means of a wiping blade 17.
Inventors:
Masahiro Nakamura
Seiji Mochizuki
Shigenori Fukasawa
Kazuhisa Kawakami
Nobutoshi Otsuka
Atsushi Kobayashi
Masahiro Isono
Nobuhito Takahashi
Hitoshi Hayakawa
Norihiro Maruyama
Seiji Mochizuki
Shigenori Fukasawa
Kazuhisa Kawakami
Nobutoshi Otsuka
Atsushi Kobayashi
Masahiro Isono
Nobuhito Takahashi
Hitoshi Hayakawa
Norihiro Maruyama
Application Number:
JP30654797A
Publication Date:
October 09, 2001
Filing Date:
October 21, 1997
Export Citation:
Assignee:
Seiko Epson Corporation
International Classes:
B41J2/165; B41J2/18; B41J2/185; (IPC1-7): B41J2/18; B41J2/165; B41J2/185
Domestic Patent References:
| JP5169668A | ||||
| JP899416A | ||||
| JP6270419A |
Attorney, Agent or Firm:
Katsuhiko Kimura (1 outside)