Cover body for image forming apparatus

1. An image forming apparatus comprising:

an image holding member;

an image forming section that forms an image on the image holding member;

a main frame that houses at least the image holding member and the image forming section;

a cover body that is hingedly mounted to the main frame so as to be able to tilt down and includes a side cover for opening and closing a side surface of the main frame and a top cover for opening and closing a top surface of the main frame; and

a unit that is mounted to and dismounted from the side cover by moving in a vertical direction between the top cover and the main frame in a state where the cover body is tilted down,

wherein the unit is pivotally attached to the cover body at a distance from where the cover body is hingedly attached to the main frame.

2. The image forming apparatus of claim 1 , further comprising:

a first engaging member that is provided at one end side of the unit or at one end side of the side cover;

a first engaged member that is provided at the one end side of the side cover or at the one end side of the unit and that the first engaging member can be engaged with and disengaged from;

a second engaging member that is provided at another end side of the unit or at another end side of the side cover; and

a second engaged member that is provided at the other end side of the side cover or at the other end side of the unit and that the second engaging member can be rotatably engaged with and disengaged from.

3. The image forming apparatus of claim 1 , wherein the unit comprises a conveyance unit that conveys a recording medium.

4. The image forming apparatus of claim 3 , wherein the unit comprises a driving unit that drives the conveyance unit.

5. The image forming apparatus of claim 3 , wherein the conveyance unit comprises:

a pair of conveyance rollers that nip and convey a recording medium having an image formed thereon; and

a pair of guide members that are mutually opposite to each other, and feed the recording medium nipped and conveyed by the pair of conveyance rollers into the main frame.

6. The image forming apparatus of claim 5 , wherein the unit comprises:

a first unit that has one of the pair of conveyance rollers and one of the pair of guide members; and

a second unit that is arranged between the first unit and the main frame so as to be able to contact with and separate from the first unit and has another one of the pair of conveyance rollers and another one of the pair of guide members.

7. The image forming apparatus of claim 6 , wherein the second unit comprises a transfer unit that is interposed between the other one of the pair of guide members and the image holding member and transfers an image formed on the image holding member to a recording medium.

8. The image forming apparatus of claim 1 , further comprising:

a pair of conveyance rollers, one of which is provided on the unit and another of which is provided on the main frame and that nip and convey a recording medium having an image formed thereon; and

a pair of guide members that are mutually opposite to each other, one of which is provided on the unit and another of which is provided on the main frame, and that feed the recording medium nipped and conveyed by the pair of conveyance rollers into the main frame.

9. The image forming apparatus of claim 1 , wherein the unit comprises a transfer unit that transfers an image formed on the image holding member to a recording medium.

10. The image forming apparatus of claim 1 , further comprising a fixing unit that is housed in the main frame so as to be opened and closed by the top cover and fixes an image, that is transferred to a recording medium from the image holding member, onto the recording medium.

11. The image forming apparatus of claim 2 , wherein the second engaged member is disengaged from the second engaging member by moving the one end side of the unit away from the side cover.

12. The image forming apparatus of claim 2 , wherein when the cover body is tilted down, the one end side is disposed closer to the main frame than the other end side.

13. The image forming apparatus of claim 2 , wherein when the cover body is tilted down, the one end side is disposed farther from the main frame than the other end side.

14. The image forming apparatus according to claim 1 , wherein the cover body is formed such that the side cover and the top cover are integrally formed.

15. The image forming apparatus according to claim 2 , wherein the cover body is formed such that the side cover and the top cover are integrally formed.