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Class Information
Number: 399/27
Name: Electrophotography > Diagnostics > Consumable > Toner
Description: Subject matter wherein a means or method is provided for determining whether or not replenishment or replacement is, or may be, required for developer material.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7613409 |
Image forming apparatus |
Nov. 3, 2009 |
| 7606505 |
Image forming method and apparatus capable of effectively performing charging operation |
Oct. 20, 2009 |
| 7606506 |
Image forming apparatus |
Oct. 20, 2009 |
| 7603046 |
Image forming apparatus including toner supply controlling unit |
Oct. 13, 2009 |
| 7596329 |
System and method for adjusting toner consumption |
Sep. 29, 2009 |
| 7593653 |
Optical sensor system with a dynamic threshold for monitoring toner transfer in an image forming device |
Sep. 22, 2009 |
| 7590360 |
Method and apparatus for selecting image forming apparatus having enough toner |
Sep. 15, 2009 |
| 7577371 |
Image forming apparatus featuring correlation of toner concentration control and image parameter control |
Aug. 18, 2009 |
| 7565085 |
Image forming device and toner consumption amount estimating method |
Jul. 21, 2009 |
| 7561834 |
Developer dispense for enhanced stability in xerographic printing systems |
Jul. 14, 2009 |
| 7558494 |
Image forming apparatus |
Jul. 7, 2009 |
| 7555230 |
Image forming apparatus that generates a different light pattern for different development apparatuses |
Jun. 30, 2009 |
| 7555231 |
Capacitive toner level sensor and methods of use |
Jun. 30, 2009 |
| 7548703 |
Image forming apparatus administration system with developer density detection and developer lifetime information communication features |
Jun. 16, 2009 |
| 7542172 |
Method of detecting pages subject to reload artifact |
Jun. 2, 2009 |
| 7539425 |
Method and device for adjusting to a minimum value the toner supply to a developing station of an electrographic printing unit or copying unit |
May. 26, 2009 |
| 7536122 |
Toner supply device, image forming apparatus and toner supplying method |
May. 19, 2009 |
| 7536121 |
Image forming apparatus and image density control method |
May. 19, 2009 |
| 7536120 |
Image forming apparatus with toner content detection and image density detection |
May. 19, 2009 |
| 7536119 |
Image forming apparatus and a method thereof for supplying toner |
May. 19, 2009 |
| 7536116 |
Image forming apparatus with a plurality of development devices |
May. 19, 2009 |
| 7532833 |
Printing apparatus, printing system, and prediction method of usage of printing agent |
May. 12, 2009 |
| 7532829 |
Image forming apparatus having adjustable communication with toner container |
May. 12, 2009 |
| 7532828 |
Image forming apparatus and developer remaining amount detecting method |
May. 12, 2009 |
| 7529492 |
Developing cartridge and image forming apparatus |
May. 5, 2009 |
| 7522851 |
Developing device |
Apr. 21, 2009 |
| 7515839 |
Image forming apparatus with wireless communication function between toner cartridge and developing unit |
Apr. 7, 2009 |
| 7515844 |
Image density control method and image forming apparatus |
Apr. 7, 2009 |
| 7516318 |
Method of controlling an image forming apparatus |
Apr. 7, 2009 |
| 7512348 |
Image forming apparatus with a toner replenishment feature |
Mar. 31, 2009 |
| 7512347 |
Image-forming device capable of determining information on a detachably mounted developer cartridge and developer cartridge for use therein |
Mar. 31, 2009 |
| 7509063 |
Adjustment mode control method and apparatus for performing the same |
Mar. 24, 2009 |
| 7509064 |
Image forming apparatus, a toner counter and a calculation method of toner consumption |
Mar. 24, 2009 |
| 7509072 |
Image forming apparatus |
Mar. 24, 2009 |
| 7505700 |
Image forming apparatus capable of counting consumable consumption amount, and control method and control program therefor |
Mar. 17, 2009 |
| 7505699 |
Electrophotographic image forming apparatus |
Mar. 17, 2009 |
| 7499657 |
Device and method for measuring quantity of residual toner, image forming apparatus having such a device |
Mar. 3, 2009 |
| 7499656 |
Remaining amount of toner detecting apparatus, toner cartridge and image forming apparatus |
Mar. 3, 2009 |
| 7499655 |
Image forming method and image forming apparatus including decolorization counter and ordinary counter |
Mar. 3, 2009 |
| 7499666 |
Toner container, image forming apparatus, and method for identifying toner container |
Mar. 3, 2009 |
| 7496301 |
Image forming device and cartridge with developer detection |
Feb. 24, 2009 |
| 7496305 |
Method and apparatus for image forming capable of effectively correcting output from toner density sensor |
Feb. 24, 2009 |
| 7493057 |
Inline purge capability (purge while run) to improve system productivity during low area coverage runs |
Feb. 17, 2009 |
| 7493054 |
Image formation device simulation apparatus |
Feb. 17, 2009 |
| 7489882 |
Image forming apparatus, a toner counter and a calculation method of toner consumption |
Feb. 10, 2009 |
| 7483657 |
Image forming apparatus featuring a controller for controlling rotation of a developer feeding screw in response to an angle of inclination of the apparatus |
Jan. 27, 2009 |
| 7478900 |
Toner remain amount detecting method, image forming apparatus and MFP |
Jan. 20, 2009 |
| 7480468 |
Apparatus for detecting developer level in developing unit |
Jan. 20, 2009 |
| 7477854 |
Image forming apparatus and control method for image forming apparatus |
Jan. 13, 2009 |
| 7466932 |
Image forming method with renewal of toner residual amount |
Dec. 16, 2008 |
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