| 摘要 |
PROBLEM TO BE SOLVED: To form an on-target image by adjusting chronological image output properties of an image forming apparatus with low calibration accuracy which does not use a scanner etc.SOLUTION: Printers 1001 to 1003 execute calibration (IBACC) by detection of an area gradation pattern on an intermediate transfer belt, and MFPs 1004 to 1006 execute calibration (ACC) using a scanner-read value of a test pattern image-formed on a recording paper and the IBACC. A server apparatus 1000 monitors IBACC execution results and ACC execution results obtained by the execution by all the MFPs connected via a network, analyzes the execution results, thereby corrects the IBACC execution results of the printers, and transmits the correction results to the printers 1001 to 1003. |
