JP2004185042A5 - - Google Patents

Description

The image forming apparatus according to the present invention is an image forming apparatus in which a cartridge containing expendables is replaceably loaded, and printing is performed on a recording sheet by the expendables stored in the cartridge. An information reading means for reading out information for checking the suitability of the cartridge from a cartridge memory provided separably in the cartridge , and a warning when it is determined that the cartridge is not proper based on the read information. And warning means to perform.

The cartridge according to the present invention is provided with a cartridge main body for storing consumables used for image formation, and is a cartridge exchangeably loaded in an image forming apparatus, wherein the cartridge main body is provided with a removable memory. The memory is characterized in that information for reading out by the image forming apparatus and checking whether it is appropriate for use in the apparatus is encrypted and stored .

Claims (18)

A consumable storage chamber containing toner as a consumable, a photosensitive drum for forming an electrostatic latent image, a charging roller for charging the photosensitive drum, and toner is attached to the charging roller to develop the electrostatic latent image An image forming apparatus which is replaceably loaded with a cartridge having a developing roller and a memory for storing information, and prints on a recording sheet by the consumable item;
And information reading means from the cartridge memory provided in the cartridge which is loaded reads the information for determining the appropriateness of the cartridge,
A memory in which the information read by the information reading means is set;
And a warning unit for giving a warning when it is determined that the cartridge is not appropriate based on the read information.   The image forming apparatus according to claim 1, wherein the information includes cartridge identification information.   3. The image forming apparatus according to claim 2, further comprising an ID collating means for examining whether or not the cartridge identification information is legitimate.   4. The image forming apparatus according to claim 1, further comprising a cartridge detection unit configured to detect loading of the cartridge. The information if it is not possible to read the information by reading means, the image forming apparatus in accordance with claim 1, wherein the warning by said warning means. A consumable storage chamber containing toner as a consumable used for image formation, a photosensitive drum for forming an electrostatic latent image, a charging roller for charging the photosensitive drum, and toner attached to the charging roller A cartridge having a developing roller for developing an electrostatic latent image and a cartridge main body having a memory for storing information, the cartridge being replaceably loaded in an image forming apparatus,
The cartridge body is provided with a separable memory, in which the information for reading by the image forming apparatus and checking whether it is appropriate for use in the apparatus is encrypted and stored. Cartridge characterized in that The cartridge according to claim 6 , wherein the information includes cartridge identification information. 8. The cartridge according to claim 6, wherein the information includes removal information indicating that the cartridge has been removed from the image forming apparatus main body. The cartridge according to any one of claims 6 to 8 , wherein the information includes empty information indicating that the consumable has been used up.   An image forming apparatus, wherein a cartridge containing consumables is replaceably loaded, and printing is performed on recording paper by the consumables,
  An information reading means for reading out information for checking the suitability of the cartridge from a cartridge memory provided in the cartridge loaded;
  A memory in which the information read by the information reading means is set;
  And a warning unit for giving a warning when it is determined that the cartridge is not appropriate based on the read information.   11. The image forming apparatus according to claim 10, wherein the information includes cartridge identification information.   12. The image forming apparatus according to claim 11, further comprising: ID collating means for examining whether or not the cartridge identification information is legitimate.   The image forming apparatus according to any one of claims 10 to 12, further comprising a cartridge detection unit configured to detect loading of the cartridge. The image forming apparatus according to any one of claims 10 to 13, wherein when the information can not be read out by the information reading means, a warning is issued by the warning means.   A cartridge having a cartridge main body for storing consumables used for image formation, the cartridge being replaceably loaded into an image forming apparatus,
  The cartridge body is provided with a separable memory, in which the information for reading by the image forming apparatus and checking whether it is appropriate for use in the apparatus is encrypted and stored. Cartridge characterized in that The cartridge according to claim 15, wherein the information includes cartridge identification information. 17. The cartridge according to claim 15, wherein the information includes removal information indicating that the cartridge has been removed from the image forming apparatus main body.   The cartridge according to any one of claims 16 to 17, wherein the information includes empty information indicating that the consumable has been used up.