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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:

Class Number Class Name Patents
399/30 By concentration detector 234
399/28 Color 92
399/29 Deterioration or developability of toner 145


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

Patent Number Title Of Patent Date Issued
8705126 Printing device and print job control method Apr. 22, 2014
8688012 Developing device and image forming apparatus Apr. 1, 2014
8682183 Image forming apparatus capable of correcting image density promptly according to change in toner density, and method of controlling the image forming apparatus Mar. 25, 2014
8682184 Image forming apparatus and method of storing toner replenishment amount Mar. 25, 2014
8676066 Image forming apparatus having control unit Mar. 18, 2014
8676073 Toner transportation device, toner case, image forming apparatus, and method of controlling toner transportation device Mar. 18, 2014
8666266 Image forming apparatus and image forming method using a controlled toner supply operation Mar. 4, 2014
8666267 Image forming apparatus, method of controlling image forming apparatus, program, and storage medium Mar. 4, 2014
8666264 Image forming apparatus and toner refilling method therefor Mar. 4, 2014
8660442 Method and apparatus for premature consumable replacement detection on printing systems Feb. 25, 2014
8660443 Systems for detecting low toner in an electro-photographic toner cartridge Feb. 25, 2014
8655203 Toner supply control system and method for image forming apparatus Feb. 18, 2014
8655202 Toner container, developing device, process cartridge and image forming apparatus Feb. 18, 2014
8655201 Image forming apparatus and control method therefor Feb. 18, 2014
8655200 Image forming device, device and system for controlling an image forming device, and recording medium Feb. 18, 2014
8649039 Image forming apparatus with plurality of control boards connected to each other via a high-speed bus Feb. 11, 2014
8649692 Toner replenishing device capable of effectively softening toner and image forming apparatus with toner replenishing device Feb. 11, 2014
8649693 Image forming apparatus Feb. 11, 2014
8649694 Image forming apparatus and remaining toner amount calculating unit Feb. 11, 2014
8639130 Developer storage device Jan. 28, 2014
8630555 Printing apparatus and control method for printing apparatus Jan. 14, 2014
8625145 Method and apparatus for estimating usage of print substance in a printer Jan. 7, 2014
8626005 Printing apparatus, and control method and storage medium therefor Jan. 7, 2014
8626015 Large particle toner printer Jan. 7, 2014
8620167 Image forming device having a plurality of image forming modes Dec. 31, 2013
8615174 Image forming apparatus capable of optimally controlling toner concentration of developer Dec. 24, 2013
8611768 Image forming apparatus and image forming method Dec. 17, 2013
8611766 Replacement toner cartridge management apparatus, replacement toner cartridge management system, image forming apparatus, replacement toner cartridge management method, and recording medium Dec. 17, 2013
8610918 Management apparatus and image forming apparatus for part replacement based on operation mode Dec. 17, 2013
8610915 Printing apparatus and printing system for allotting electric energy usage Dec. 17, 2013
8594516 Image forming apparatus and genuine product determining method for toner cartridge Nov. 26, 2013
8594519 Image forming apparatus and toner supply method Nov. 26, 2013
8588626 Apparatus and output setting method of consumed status of consumable items of the apparatus Nov. 19, 2013
8588627 Image forming apparatus that detects consumable supplies Nov. 19, 2013
8588636 Image forming apparatus Nov. 19, 2013
8582989 Image forming apparatus with replaceable developer holder Nov. 12, 2013
8570545 Image forming apparatus having a plurality of image forming units, initial adjustment method for the image forming apparatus, and computer readable medium recording program for causing the ima Oct. 29, 2013
8571426 Toner supply method, development device, process unit, and image forming apparatus Oct. 29, 2013
8565624 Image forming apparatus and process cartridge Oct. 22, 2013
8559081 System and method for determining a billing structure for documents based on marking medium predictions Oct. 15, 2013
8559830 Lockout device and an indicator to ensure that the correct consumable is replaced in a printing device Oct. 15, 2013
8559833 Image forming apparatus including replenishing operation for developer supply member Oct. 15, 2013
8554094 Image forming apparatus and image quality control method Oct. 8, 2013
8548344 Image forming apparatus Oct. 1, 2013
8543015 Replacement toner cartridge management apparatus, replacement toner cartridge management system, image forming apparatus, replacement toner cartridge management method, and recording medium Sep. 24, 2013
8543016 Image forming apparatus and image processing device Sep. 24, 2013
8538281 Image forming apparatus and image forming method Sep. 17, 2013
8532539 Image forming apparatus Sep. 10, 2013
8521042 Image forming apparatus and image forming method Aug. 27, 2013
8521041 Image forming apparatus with controller controlling an image forming operation Aug. 27, 2013

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19










 
 
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