Title:
METHOD AND APPARATUS FOR IMAGE FORMATION, AND CONSUMABLES
Document Type and Number:
Japanese Patent JP3808834
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for image formation which, in the formation of an image by controlling the operation of a predetermined control object based on data on the remaining capacity stored in a memory IC, can properly conduct the control of the operation based on the data on the remaining capacity even when normal data could not be recorded in a memory IC, e.g., due to turn-off of a power supply of an apparatus body in recording the data on the remaining capacity in the memory IC.
SOLUTION: The remaining capacity of consumables is divided into a plurality of remaining capacity ranges Hi (where i=1 to n). A plurality of memory areas corresponding respectively to the remaining capacity ranges are set in the memory IC. Data on the remaining capacity is recorded in the memory area corresponding to the remaining capacity range to which the data on the remaining capacity belongs. When the data on the remaining capacity became changed from the remaining capacity range Hi to the next remaining capacity range Hi+1, data is rendered unwritable in the memory area corresponding to the previous remaining capacity range Hi. When the data on the remaining capacity read from the memory area which is not yet in the unwritable state was judged to be no normal remaining capacity data, the data on the remaining capacity recorded in the memory area which was lastly brought to the unwritable state is read.
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Inventors:
Iwamoto Manabu
Application Number:
JP2003038119A
Publication Date:
August 16, 2006
Filing Date:
February 17, 2003
Export Citation:
Assignee:
Ideal Science Industry Co., Ltd.
International Classes:
B41L13/04; B41J2/175; (IPC1-7): B41L13/04; B41J2/175
Domestic Patent References:
| JP4049400U | ||||
| JP2000218818A |
Attorney, Agent or Firm:
Yanagita Seiji
Go Sakuma
Go Sakuma
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