Acquisition Of White Level Data And Cis Scanner Area Setting (Function Code 55) - Brother MFC990CW Service Manual

9.1.4.17 Acquisition of White Level Data and CIS Scanner Area Setting
(Function code 55)
Function
This function allows the machine to obtain white level data for the CIS scanner and save it
together with the CIS scanner area into the EEPROM on the main PCB.
Operating Procedure
(1) Press the 5 key twice in the initial stage of the maintenance mode. For models without
numerical keypad, enter 5 twice using the
The "SCANNER AREA SET" appears on the LCD.
The machine automatically obtains white level data.
(2) If this operation completes normally, the machine returns to the initial stage of the
maintenance mode.
If any error is detected, the "SCANNER ERROR" appears on the LCD. To return the
machine to the initial stage of the maintenance mode, press the Stop/Exit key.
, and OK keys.
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