WRITE hp Color 9850mfp D. Operation condition of the color registration correction control The color registration correction control is performed when: • Operation condition 1 The color registration automatic correction control is executed in the 36 mode. Perform the operation when replacing a component described in "3. LIST OF ADJUSTMENT ITEMS FOR hp Color 9850mfp" in Field Service. • Operation condition 2 The fixing temperature is below the specified temperature during warm-up. • Operation condition 3 II UNIT EXPLANATION The specified number of page is copied/printed. • Operation condition 4 The copy/print operation has not been performed for a certain time.
• Operation condition 5 A certain change in temperature is detected from the temp detection board (TDB). Note: • If one of the operating conditions is met at idle, the color registration correction control is started when the copy/print operation is started for the first time since then. 2-20