G - Physics – 01 – D
Patent
G - Physics
01
D
101/96.0203
G01D 15/16 (2006.01) B41J 2/185 (2006.01)
Patent
CA 1106435
ABSTRACT OF THE DISCLOSURE An ink jet printing system includes an ink ejection head for pro- viding ink drops which are selectively charged and deflected in accordance with their charge as they traverse a path toward a recording medium. An ac- cumulator or "dump" is positioned, in the operating mode of the system, ad- jacent to the recording medium to catch ink drops directed away from the me- dium. Before the printing is started, the charging and deflecting units are displaced from the ink path, and the accumulator is abutting the ejection head, effectively capturing any ink emanating from the head. When the sys- tem has been pressurized and is in all respects ready for operation, the accumulator is displaced away from the ejection head and along the normal path of the ink drops, thus "catching" all the drops until it reaches its normal operating position adjacent the medium. The charging and deflecting units are then moved into their normal operating positions. In the process of shut-down, the deflection and charging means are moved away from the ink path, and the accumulator is then retracted from it operating position ad- jacent the medium, again traversing the path of the ink drops and catching all the drops, until it again abuts the ejection head.
324071
Dick (a.b.) Company
Smart & Biggar
LandOfFree
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