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Patent Searching and Data


Title:
HEAD DRIVING CONTROLLER AND IMAGE RECORDER
Document Type and Number:
Japanese Patent JP2004160903
Kind Code:
A
Abstract:

To solve the problem that ejection of a liquid in the printing become instable by a residual vibration due to charging and discharging in a time period of non-printing so that quality of an image is deteriorated.

In the case where a pressurizing chamber 46 is contracted from an initial condition prior to the printing in a time period T1 and the pressurizing chamber 46 is restored to the initial condition after the printing in a time period T2, at least the time period T1 is set to be equal to or greater than a half of a refill cycle Trefill (0.5×Trefill), thereby stabilizing a meniscus.


Inventors:
KUSUNOKI MASAMUNE
Application Number:
JP2002331438A
Publication Date:
June 10, 2004
Filing Date:
November 15, 2002
Export Citation:
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Assignee:
RICOH KK
International Classes:
B41J2/045; B41J2/055; (IPC1-7): B41J2/045; B41J2/055
Attorney, Agent or Firm:
Tomiho Inamoto