IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0602911
(2006-11-21)
|
등록번호 |
US-7796900
(2010-10-04)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
7 |
초록
▼
An electrostatographic printer includes a development housing for supplying developer to an image receptor, and a replenisher in communication with the development housing. In a basic state, a regular supply of developer having a first predetermined TC is supplied. In a special state, a special supp
An electrostatographic printer includes a development housing for supplying developer to an image receptor, and a replenisher in communication with the development housing. In a basic state, a regular supply of developer having a first predetermined TC is supplied. In a special state, a special supply of developer having a second predetermined TC is supplied. In response to determining the printer should be in the special state, the special supply of developer is requested to be installed in the printer, such as through Internet ordering to a vendor. The vendor can also “custom-blend” a developer formulation based on transmitted machine conditions.
대표청구항
▼
What is claimed is: 1. A method of operating an electrostatographic printer, the printer including a development unit, the development unit having a development housing for supplying developer to an image receptor, and a replenisher in communication with the development housing, the method comprisi
What is claimed is: 1. A method of operating an electrostatographic printer, the printer including a development unit, the development unit having a development housing for supplying developer to an image receptor, and a replenisher in communication with the development housing, the method comprising: in a basic state, supplying a regular supply of developer to the development housing, the regular supply of developer having an about 3:1 ratio of toner to carrier by weight and having a first predetermined TC (where the TC is a measurable and/or controllable value derived at least in part from the relative amounts of toner and carrier in the developer); in a special state, supplying a special supply of developer to the development housing, the special supply of developer having an about 5:7 ratio of toner to carrier by weight and having a second predetermined TC; determining whether the printer should be in the special state based on the quality of developer in the development housing; and in response to determining the printer should be in the special state, requesting the special supply of developer be installed in the printer to improve the quality of the developer in the development housing. 2. The method of claim 1, wherein the regular supply of developer has an additive set different from an additive set of the special supply of developer. 3. The method of claim 1, the regular supply of developer being contained in a replenisher cartridge of a regular type, and the special supply of developer being contained in a replenisher cartridge of a special type. 4. The method of claim 1, the determining including maintaining a count of cartridges of the regular type used by the printer. 5. The method of claim 4, the determining further including causing a cartridge of the special type to be installed, in response to the count of cartridges reaching a predetermined number. 6. The method of claim 1, the determining including performing an image-quality measurement of an image placed on the image receptor within the printer. 7. The method of claim 6, the image-quality measurement including measuring an optical density of the image placed on the image receptor. 8. The method of claim 1, the determining including performing a physical measurement relating to developer in the developer housing. 9. The method of claim 8, the physical measurement including at least one of an optical measurement, electrical measurement, magnetic measurement, or mass measurement. 10. The method of claim 1, the determining including maintaining a record of types of developer associated with the development unit in the past. 11. The method of claim 10, the determining including using historical data including average replenisher usage over a determined amount of time sufficient to conclude a similar future usage of replenisher. 12. The method of claim 1, further comprising in response to the requesting, ordering a special developer for the printer. 13. The method of claim 12, wherein the special developer has a special developer formulation based at least in part on data relating to a condition associated with the printer. 14. A method of operating an electrostatographic printer, the printer including a development unit having a development housing for supplying developer to an image receptor, and a replenisher in communication with the development housing, the method comprising: in a basic state, supplying a regular supply of developer to the development housing, the regular supply of developer comprising toner and carrier and having a first predetermined TC (where the TC is a measurable and/or controllable value derived at least in part from the relative amounts of toner and carrier in the developer), the regular supply of developer being contained in a replenisher cartridge of a regular type; in a special state, supplying a special supply of developer to the development housing, the special supply of developer comprising toner and carrier and having a second predetermined TC, the special supply of developer being contained in a replenisher cartridge of a special type having a total mass of developer substantially less than a total mass of developer contained in the replenisher cartridge of a regular type: determining whether the printer should be in the special state based on the quality of developer in the development housing; and in response to determining the printer should be in the special state, requesting the special supply of developer be installed in the printer to improve the quality of the developer in the development housing. 15. The method of claim 14, the replenisher cartridge of a special type having a total mass of developer more than 50% less than a total mass of developer in the replenisher cartridge of a regular type.
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