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8.4.12 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) MFC7420/7820N
Press the 5 key twice in the initial stage of the maintenance mode.
DCP7010/7020/7025
Press the
key or key several times to display the “MAINTENANCE 55” code on
the LCD. Then press the Set key .
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.
8.4.13 Paper Feeding and Ejecting Test (Function code 67)
Function
This function allows you to check that a sheet of paper is fed and ejected correctly by
printing the grid pattern on a page, whose interval is 1cm.
Operating Procedure
(1) MFC7420/7820N
Press the 6 and 7 keys in this order in the initial stage of the maintenance mode.
DCP7010/7020/7025
Press the
key or key several times to display the “MAINTENANCE 67” code on
the LCD. Then press the Set key .
The "PAPER FEED TEST" will appear on the LCD.
The test printing is started, and the grid pattern is printed.
(2) To return the machine to the initial stage of the maintenance mode, press the Stop/Exit
key.
NOTE: In the case that the front cover is opened, or that there is no paper in the tray
during test printing, the test printing is stopped.