10. The apparatus for printing documents according to claim 9 , further comprising: a processing module configured to process the color document to obtain printing step information in the case that the printing step information for the color document is not complete.
10. The apparatus for printing documents according to claim 9 , further comprising: a processing module configured to process the color document to obtain printing step information in the case that the printing step information for the color document is not complete. 12. The apparatus for printing documents according to claim 10 , further comprising: a color correction module configured to execute the color correction to the color document.