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Confidential
1.4.15 Acquisition of White/Black Level Data and CIS Scanner Area Setting (Maintenance
mode 55)
<Function>
This function allows the machine to obtain white/black level data for the CIS scanner and
save the CIS scanner area and a correction value for it together into the EEPROM on the
Main PCB.
<Operating Procedure>
(1) Enter [5] twice in the initial stage of the maintenance mode.
If any error has occurred in the machine, the "ME STATE STOP" appears on the LCD.
If no error has occurred in the machine, the machine automatically goes to step (2).
(2) The machine displays "SCANNER AREA SET" on the LCD and obtains white/black
level data.
(3) After a few seconds, the machine saves the white/black level data and scanning width
correction value into the EEPROM and returns to the initial stage of the maintenance
mode.
If any error is detected during this operation, the machine displays "SCANNER
ERROR" on the LCD.
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