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1. (WO2002004218) AMOUNT-OF-COLORANT RECORDER, COLORANT PROPERTY VALUE PROCESSING DEVICE, COLORANT CARTRIDGE, AND ITS RECOVERY

Pub. No.:    WO/2002/004218    International Application No.:    PCT/JP2001/005959
Publication Date: Jan 17, 2002 International Filing Date: Jul 10, 2001
IPC: B41J 2/175
B41J 29/393
Applicants: SEIKO EPSON CORPORATION

NAKA, Takahiro

YOSHINO, Masumi

MATSUZAKA, Hideto

YANAGIDA, Eiko

Inventors: NAKA, Takahiro

YOSHINO, Masumi

MATSUZAKA, Hideto

YANAGIDA, Eiko

Title: AMOUNT-OF-COLORANT RECORDER, COLORANT PROPERTY VALUE PROCESSING DEVICE, COLORANT CARTRIDGE, AND ITS RECOVERY
Abstract:
After a printer performs its maintenance under control of a maintenance control section (52), an ink information collecting section (73) calculates the consumption of the ink. A storage device managing section (74) stores the calculated ink consumption in a storage device equipped in an ink cartridge. In such a way, thereafter, the amount of ink not consumed for actual printing, such as the amount of ink consumed for maintenance, can be known when the content of the storage device is read.