Acquisition Of White Level Data And Cis Scanner Area Setting (Function Code 55) - Brother MFC640CW Service Manual

8.4.10 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) MFC820CW/640CW
Press the 5 key twice in the initial stage of the maintenance mode.
DCP340CW
Enter 5 twice in the initial stage of the maintenance mode by using the
(*To enter a numerical code on models having no numerical keypad, press the
display the numerical code to be entered and then press the Set key. Repeat this operation for each
numerical code.)
The "SCANNER AREA SET" will appear 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 noted, the "SCANNER ERROR" appears on the LCD. To return the machine to
the initial stage of the maintenance mode, press the Stop/Exit key.
8 - 2 4
and Set keys.*
key several times to
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