Brother International MFC 8890DW Service Manual - Page 415
Acquisition of White Level Data and CCD Scanner Area Setting (Function code 55
UPC - 012502622673
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4.16 Acquisition of White Level Data and CCD Scanner Area Setting (Function code 55) This function allows the machine to obtain white level data for the CCD scanner and save it together with the CCD scanner area into the EEPROM on the main PCB. (1) Press the [5] key twice in the initial stage of the maintenance mode. The "SCANNER AREA SET" will appear on the LCD. (2) When setting of the scanner area is completed, a 4-digit number will appear on the LCD. (e.g., 4723) * If you press the [Stop/Exit] button at this point, the machine will beep for one second and return to the initial stage of the maintenance mode. Enter the input data value of a 5-digit number based on the 4-digit number to be displayed referring to the table below. (e.g., 4723 → 47247) (3) The machine saves the magnification compensation setting value into the EEPROM, and then it beeps for one second and returns to the initial stage of the maintenance mode. Maintenance mode 55 required input data Input data 1 4610 --- 4619 → 46156 2 4620 --- 4629 → 46257 3 4630 --- 4639 → 46358 4 4640 --- 4649 → 46459 5 4650 --- 4659 → 46550 6 4660 --- 4669 → 46651 7 4670 --- 4679 → 46752 8 4680 --- 4689 → 46853 9 4690 --- 4699 → 46954 10 4700 --- 4709 → 47056 11 4710 --- 4719 → 47157 12 4720 --- 4729 → 47247 13 4730 --- 4739 → 47359 14 4740 --- 4749 → 47450 15 4750 --- 4759 → 47551 16 4760 --- 4769 → 47652 17 4770 --- 4779 → 47753 18 4780 --- 4789 → 47854 19 4790 --- 4799 → 47955 20 4800 --- 4809 → 48057 21 4810 --- 4819 → 48158 22 4820 --- 4829 → 48259 23 4830 --- 4838 → 48350 7-28 Confidential