Image processing apparatus and non-transitory computer readable medium

1. An image processing apparatus comprising:

a processor configured to

set an image position of a reference image in a transport direction of a recording medium to an arbitrary position on a specific page of the recording medium, the reference image being formed using a first color and serving as a reference for an image position of an image of a second color to be formed after the image of the first color is formed, and

adjust the image position for the second color on an adjacent page, located adjacently upstream of the specific page in the transport direction, by using image information of the reference image formed on the specific page.

2. The image processing apparatus according to claim 1 , further comprising:

a display that displays an image,

wherein the processor is configured to

cause the display to display an input screen on which the arbitrary position is settable.

3. The image processing apparatus according to claim 2 ,

wherein the processor is configured to

cause the display to display a position settable as the arbitrary position if a position input by operating the input screen is not settable as the arbitrary position.

4. The image processing apparatus according to claim 3 ,

wherein the processor is configured to

perform an image forming process by treating the reference image and a normal image as a single group, the reference image being formed on the specific page, the normal image being different from the reference image and being formed on the adjacent page by using the first color.

5. The image processing apparatus according to claim 4 , further comprising:

a first image forming unit that forms the image of the first color;

a second image forming unit that is disposed downstream of the first image forming unit in the transport direction and that forms the image of the second color;

a first detector that is disposed upstream of the first image forming unit in the transport direction and that detects a preliminarily-formed specific image; and

a second detector that is disposed downstream of the first image forming unit in the transport direction and upstream of the second image forming unit in the transport direction and that detects the reference image formed by the first image forming unit,

wherein the processor is configured to

output an image formation command for forming the reference image on the specific page and the normal image on the adjacent page to the first image forming unit if the first detector detects the specific image, and

adjust the image position of the image of the second color to be formed on the adjacent page by the second image forming unit by using the image information of the reference image if the second detector detects the reference image formed on the specific page.

6. The image processing apparatus according to claim 5 , further comprising:

a first image forming unit that forms the image of the first color;

a second image forming unit that is disposed downstream of the first image forming unit in the transport direction and that forms the image of the second color;

a first detector that is disposed upstream of the first image forming unit in the transport direction and that detects a preliminarily-formed specific image; and

a second detector that is disposed downstream of the first image forming unit in the transport direction and upstream of the second image forming unit in the transport direction and that detects the reference image formed by the first image forming unit,

wherein the processor is configured to

output at least an image formation command for forming the reference image on the specific page to the first image forming unit if the first detector detects the specific image, and

adjust the image position of the image of the second color to be formed on the adjacent page by the second image forming unit by using the image information of the reference image and preliminarily-acquired reference information of the reference image if the second detector detects the reference image formed on the specific page.

7. The image processing apparatus according to claim 4 , further comprising:

a first image forming unit that forms the image of the first color;

a second image forming unit that is disposed downstream of the first image forming unit in the transport direction and that forms the image of the second color;

a first detector that is disposed upstream of the first image forming unit in the transport direction and that detects a preliminarily-formed specific image; and

a second detector that is disposed downstream of the first image forming unit in the transport direction and upstream of the second image forming unit in the transport direction and that detects the reference image formed by the first image forming unit,

wherein the processor is configured to

output at least an image formation command for forming the reference image on the specific page to the first image forming unit if the first detector detects the specific image, and

adjust the image position of the image of the second color to be formed on the adjacent page by the second image forming unit by using the image information of the reference image and preliminarily-acquired reference information of the reference image if the second detector detects the reference image formed on the specific page.

8. The image processing apparatus according to claim 3 , further comprising:

a first image forming unit that forms the image of the first color;

a second image forming unit that is disposed downstream of the first image forming unit in the transport direction and that forms the image of the second color;

a first detector that is disposed upstream of the first image forming unit in the transport direction and that detects a preliminarily-formed specific image; and

a second detector that is disposed downstream of the first image forming unit in the transport direction and upstream of the second image forming unit in the transport direction and that detects the reference image formed by the first image forming unit,

wherein the processor is configured to

output at least an image formation command for forming the reference image on the specific page to the first image forming unit if the first detector detects the specific image, and

adjust the image position of the image of the second color to be formed on the adjacent page by the second image forming unit by using the image information of the reference image and preliminarily-acquired reference information of the reference image if the second detector detects the reference image formed on the specific page.

9. The image processing apparatus according to claim 2 ,

wherein the processor is configured to

perform an image forming process by treating the reference image and a normal image as a single group, the reference image being formed on the specific page, the normal image being different from the reference image and being formed on the adjacent page by using the first color.

10. The image processing apparatus according to claim 9 , further comprising:

a first image forming unit that forms the image of the first color;

a second image forming unit that is disposed downstream of the first image forming unit in the transport direction and that forms the image of the second color;

a first detector that is disposed upstream of the first image forming unit in the transport direction and that detects a preliminarily-formed specific image; and

a second detector that is disposed downstream of the first image forming unit in the transport direction and upstream of the second image forming unit in the transport direction and that detects the reference image formed by the first image forming unit,

wherein the processor is configured to

output an image formation command for forming the reference image on the specific page and the normal image on the adjacent page to the first image forming unit if the first detector detects the specific image, and

adjust the image position of the image of the second color to be formed on the adjacent page by the second image forming unit by using the image information of the reference image if the second detector detects the reference image formed on the specific page.

11. The image processing apparatus according to claim 10 , further comprising:

a first image forming unit that forms the image of the first color;

a second image forming unit that is disposed downstream of the first image forming unit in the transport direction and that forms the image of the second color;

a first detector that is disposed upstream of the first image forming unit in the transport direction and that detects a preliminarily-formed specific image; and

a second detector that is disposed downstream of the first image forming unit in the transport direction and upstream of the second image forming unit in the transport direction and that detects the reference image formed by the first image forming unit,

wherein the processor is configured to

output at least an image formation command for forming the reference image on the specific page to the first image forming unit if the first detector detects the specific image, and

adjust the image position of the image of the second color to be formed on the adjacent page by the second image forming unit by using the image information of the reference image and preliminarily-acquired reference information of the reference image if the second detector detects the reference image formed on the specific page.

12. The image processing apparatus according to claim 9 , further comprising:

a first image forming unit that forms the image of the first color;

a second image forming unit that is disposed downstream of the first image forming unit in the transport direction and that forms the image of the second color;

a first detector that is disposed upstream of the first image forming unit in the transport direction and that detects a preliminarily-formed specific image; and

a second detector that is disposed downstream of the first image forming unit in the transport direction and upstream of the second image forming unit in the transport direction and that detects the reference image formed by the first image forming unit,

wherein the processor is configured to

output at least an image formation command for forming the reference image on the specific page to the first image forming unit if the first detector detects the specific image, and

adjust the image position of the image of the second color to be formed on the adjacent page by the second image forming unit by using the image information of the reference image and preliminarily-acquired reference information of the reference image if the second detector detects the reference image formed on the specific page.

13. The image processing apparatus according to claim 2 , further comprising:

a first image forming unit that forms the image of the first color;

a second image forming unit that is disposed downstream of the first image forming unit in the transport direction and that forms the image of the second color;

a first detector that is disposed upstream of the first image forming unit in the transport direction and that detects a preliminarily-formed specific image; and

a second detector that is disposed downstream of the first image forming unit in the transport direction and upstream of the second image forming unit in the transport direction and that detects the reference image formed by the first image forming unit,

wherein the processor is configured to

output at least an image formation command for forming the reference image on the specific page to the first image forming unit if the first detector detects the specific image, and

adjust the image position of the image of the second color to be formed on the adjacent page by the second image forming unit by using the image information of the reference image and preliminarily-acquired reference information of the reference image if the second detector detects the reference image formed on the specific page.

14. The image processing apparatus according to claim 1 ,

wherein the processor is configured to

perform an image forming process by treating the reference image and a normal image as a single group, the reference image being formed on the specific page, the normal image being different from the reference image and being formed on the adjacent page by using the first color.

15. The image processing apparatus according to claim 14 , further comprising:

a first image forming unit that forms the image of the first color;

a second image forming unit that is disposed downstream of the first image forming unit in the transport direction and that forms the image of the second color;

a first detector that is disposed upstream of the first image forming unit in the transport direction and that detects a preliminarily-formed specific image; and

a second detector that is disposed downstream of the first image forming unit in the transport direction and upstream of the second image forming unit in the transport direction and that detects the reference image formed by the first image forming unit,

wherein the processor is configured to

output an image formation command for forming the reference image on the specific page and the normal image on the adjacent page to the first image forming unit if the first detector detects the specific image, and

adjust the image position of the image of the second color to be formed on the adjacent page by the second image forming unit by using the image information of the reference image if the second detector detects the reference image formed on the specific page.

16. The image processing apparatus according to claim 15 , further comprising:

a first image forming unit that forms the image of the first color;

a second image forming unit that is disposed downstream of the first image forming unit in the transport direction and that forms the image of the second color;

a first detector that is disposed upstream of the first image forming unit in the transport direction and that detects a preliminarily-formed specific image; and

a second detector that is disposed downstream of the first image forming unit in the transport direction and upstream of the second image forming unit in the transport direction and that detects the reference image formed by the first image forming unit,

wherein the processor is configured to

output at least an image formation command for forming the reference image on the specific page to the first image forming unit if the first detector detects the specific image, and

adjust the image position of the image of the second color to be formed on the adjacent page by the second image forming unit by using the image information of the reference image and preliminarily-acquired reference information of the reference image if the second detector detects the reference image formed on the specific page.

17. The image processing apparatus according to claim 14 , further comprising:

a first image forming unit that forms the image of the first color;

a second image forming unit that is disposed downstream of the first image forming unit in the transport direction and that forms the image of the second color;

a first detector that is disposed upstream of the first image forming unit in the transport direction and that detects a preliminarily-formed specific image; and

a second detector that is disposed downstream of the first image forming unit in the transport direction and upstream of the second image forming unit in the transport direction and that detects the reference image formed by the first image forming unit,

wherein the processor is configured to

output at least an image formation command for forming the reference image on the specific page to the first image forming unit if the first detector detects the specific image, and

adjust the image position of the image of the second color to be formed on the adjacent page by the second image forming unit by using the image information of the reference image and preliminarily-acquired reference information of the reference image if the second detector detects the reference image formed on the specific page.

18. The image processing apparatus according to claim 1 , further comprising:

a first image forming unit that forms the image of the first color;

a second image forming unit that is disposed downstream of the first image forming unit in the transport direction and that forms the image of the second color;

a first detector that is disposed upstream of the first image forming unit in the transport direction and that detects a preliminarily-formed specific image; and

a second detector that is disposed downstream of the first image forming unit in the transport direction and upstream of the second image forming unit in the transport direction and that detects the reference image formed by the first image forming unit,

wherein the processor is configured to

output at least an image formation command for forming the reference image on the specific page to the first image forming unit if the first detector detects the specific image, and

adjust the image position of the image of the second color to be formed on the adjacent page by the second image forming unit by using the image information of the reference image and preliminarily-acquired reference information of the reference image if the second detector detects the reference image formed on the specific page.

19. A non-transitory computer readable medium storing a program causing a computer to execute a process, the process comprising:

setting an image position of a reference image in a transport direction of a recording medium to an arbitrary position on a specific page of the recording medium, the reference image being formed using a first color and serving as a reference for an image position of an image of a second color to be formed after the image of the first color is formed; and

adjusting the image position for the second color on an adjacent page, located adjacently upstream of the specific page in the transport direction, by using image information of the reference image formed on the specific page.

20. An image processing apparatus comprising processor means for:

setting an image position of a reference image in a transport direction of a recording medium to an arbitrary position on a specific page of the recording medium, the reference image being formed using a first color and serving as a reference for an image position of an image of a second color to be formed after the image of the first color is formed; and

adjusting the image position for the second color on an adjacent page, located adjacently upstream of the specific page in the transport direction, by using image information of the reference image formed on the specific page.