Image forming apparatus, part detachable device and image forming apparatus main body that switches operation mode based part used

1. An image forming apparatus comprising:

an image forming section to which a replaceable part is detachably attached; and

a switching section that switches an operation mode of the image forming section to an approved part mode corresponding to a case wherein an approved part is attached as the replaceable part, and to an unapproved part mode corresponding to a case wherein a part other than the approved part is attached,

wherein the image forming section obtains attribute information of the replaceable part from the replaceable part and operates in accordance with the attribute information in the approved part mode, and operates in accordance with information previously stored in the image forming section without using the attribute information in the unapproved part mode.

2. An image forming apparatus comprising:

an image forming section to which a replaceable part is detachably attached; and

a switching section that switches an operation mode of the image forming section to an approved part mode corresponding to a case wherein an approved part is attached as the replaceable part, and to an unapproved part mode corresponding to a case wherein a part other than the approved part is attached,

wherein the image forming section obtains attribute information of the replaceable part from the replaceable part and realizes a prescribed function by using the attribute information in the approved part mode, and disables the prescribed function in the unapproved part mode.

3. A part detachable device comprising:

an operating section to which a replaceable part is detachably attached; and

a switching section that switches an operation mode of the operating section to an approved part mode corresponding to a case wherein an approved part is attached as the replaceable part and to an unapproved part mode corresponding to a ease wherein a part other than the approved part is attached,

wherein the operating section obtains attribute information of the replaceable part from the replaceable part and operates in accordance with the attribute information in the approved part mode, and operates on the basis of information previously stored in the operating section without using the attribute information in the unapproved part mode.

4. A part detachable device comprising:

an operating section to which a replaceable part is detachably attached; and

a switching section that switches an operation mode of the operating section to an approved part mode corresponding to a case wherein an approved part is attached as the replaceable part and to an unapproved part mode corresponding to a case wherein a part other than the approved part is attached,

wherein the operating section obtains attribute information of the replaceable part from the replaceable part and realizes a prescribed function by using the attribute information in the approved part mode, and disables the prescribed function in the unapproved part mode.

5. An image forming apparatus for forming an image on a recording medium, the image forming apparatus comprising:

an image forming apparatus main body having a plurality of operation modes and

a replaceable part detachably attached to the image forming apparatus main body, wherein operation mode switching information for switching the operation modes of the image forming apparatus main body is stored in the replaceable part, and the image forming apparatus main body switches the operation modes in accordance with the operation mode switching information stored in the replaceable part when the replaceable part is attached.

6. The image forming apparatus according to claim 5 , wherein when the image forming apparatus main body switches the operation mode in accordance with the operation mode switching information held by the replaceable part, the image forming apparatus main body nullifies the operation mode switching information stored in the replaceable part.

7. The image forming apparatus according to claim 5 , wherein in the replaceable part is pre-stored individual identifying information of the image forming apparatus main body whose operation mode is to be switched together with the operation mode switching information, and the image forming apparatus main body switches the operation mode when the individual identifying information held by the replaceable part corresponds to the individual identifying information of the image forming apparatus main body.

8. The image forming apparatus according to claim 7 , wherein the individual identifying information can be provided to the replaceable part only by using a special tool.

9. The image forming apparatus according to claim 5 , wherein the operation mode switching information can be provided to the replaceable part only by using a special tool.

10. The image forming apparatus according to claim 5 , wherein the image forming apparatus main body has a plurality of groups of operation modes composed of a plurality of operation modes and switches the operation mode of each group of operation modes in accordance with the operation mode switching information.

11. The image forming apparatus according to claim 5 , wherein the image forming apparatus main body switches the operation mode between an inhibiting mode for inhibiting the use of the replaceable part whose use is not approved by a manufacturer and a permitting mode for permitting the use of the replaceable part.

12. An image forming apparatus for forming an image on a recording medium, the image forming apparatus comprising:

an image forming apparatus main body having a plurality of operation modes and

a replaceable part detachably attached to the image forming apparatus main body, wherein the replaceable part is chosen from a set including at least two types of replaceable parts, including a switching replaceable part in which is pre-stored operation mode switching information for switching the operation mode of the image forming apparatus main body and an ordinary replaceable part that does not hold such information, and the image forming apparatus main body switches the operation mode on the basis of the operation mode switching information held by the replaceable part when the switching replaceable part is attached, and maintains a current operation mode when the ordinary replaceable part is attached.

13. An image forming apparatus for forming an image on a recording medium, the image forming apparatus comprising:

an image forming apparatus main body having a plurality of operation modes, and

a plurality of replaceable parts detachably attached to the image forming apparatus main body, wherein each of the plurality of replaceable parts is chosen from a set comprising at least two types of replaceable parts, including switching replaceable parts in which is pre-stored operation mode switching information for switching the operation mode of the image forming apparatus main body and ordinary replaceable parts that do not hold such information, and, when a plurality of the switching replaceable parts are attached in a prescribed combination, the image forming apparatus main body switches the operation mode on the basis of the operation mode switching information held by the replaceable parts, and otherwise maintains a current operation mode.

14. An image forming apparatus main body having a plurality of operation modes and which forms an image on a recording medium using a detachably attached replaceable part, the image forming apparatus main body comprising:

an attaching section to which a replaceable part holding operation mode switching information for switching the operation modes can be attached, and

an operation mode switching section that switches the operation mode on the basis of the operation mode switching information held by the replaceable part when the replaceable part is attached to the attaching section.

15. An image forming apparatus main body having a plurality of operation modes and which forms an image on a recording medium using a detachably attached replaceable part, the image forming apparatus main body comprising:

an attaching section to which at least two types of replaceable parts, including a switching replaceable part holding operation mode switching information for switching the operation modes and an ordinary replaceable part holding no such information can be attached and

an operation mode switching section that switches the operation mode in accordance with the operation mode switching information held by the replaceable part when the switching replaceable part is attached to the attaching section, and maintains a current operation mode when the ordinary replaceable part is attached to the attaching section.