8.4.12 Acquisition of White Level Data and CIS Scanner Area Setting (Function code 55); 8.4.13 Paper Feeding and Ejecting Test (Function code 67); Procedure - Page 181

  8 - 2 4  

Confidential

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.