(19) United States
(12) Patent Application Publication (io) Pub. No.: US 2002/0044168 Al
Hashi et al. (43) Pub. Date: Apr. 18,2002
(75) Inventors: Hiroshi Hashi, Tokyo (JP); Toshihiro Kitahara, Tokyo (JP)
FRISHAUF, HOLTZ, GOODMAN,
LANGER & CHICK, P.C.
767 Third Avenue
New York, NY 10017-2023 (US)
(73) Assignee: Olympus Optical Co., Ltd., Tokyo (JP)
(21) Appl. No.: 09/973,319
(22) Filed: Oct. 9, 2001
(30) Foreign Application Priority Data
Oct. 13, 2000 (JP) 2000-314329
Publication Classification (51) Int. CI.7 B41J 2/165
A printer comprising a printer head disposed above a transportation belt and composed of a plurality of head units having an ink discharge surface, a paper attraction apparatus, and an ink discharge surface recovery apparatus, wherein in order to conduct the recovery treatment of the ink discharge surface, the printer head is moved upward and the recovery apparatus is inserted into the gap formed between the printer head and transportation belt in the direction perpendicular to the paper transportation direction of transportation belt. In the inserted state, ink is discharged from the ink discharge surface toward a cap of the recovery apparatus, the clogged state of the nozzle is eliminated, and recovery treatment is completed. The recovery apparatus is thereafter retracted to the side of transportation belt. With such printer, the recovery treatment of the ink discharge surface can be easily conducted, the increase in the printer size is avoided, and the adjustment, maintenance, and control can be easily conducted.