8.4.14 EEPROM Customizing (Function code 74); Procedure ; EEPROM Customizing (Function code 74) - Page 182

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8.4.14 

EEPROM Customizing (Function code 74) 

„

 Function 

This function allows you to customize the EEPROM according to language, function  
settings, and firmware switch settings.  The customizing codes list is given in 

Appendix 3.

NOTE:

 If you replace the main PCB, be sure to carry out this procedure. 

„

 Operating 

Procedure 

(1) MFC7420/7820N 

Press the 

7

 and 

4

 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 74” code on 
the LCD. Then press the 

Set

  key . 

The current customizing code (e.g., 0002 in the case of MFC7820N CANADA model)  
appears. 

(2)  Enter the desired customizing code (e.g., 8001 in the case of MFC7820N U.S.A. model).  

The newly entered code appears. 

MFC7420/7820N 

To enter letters "A" through "F," press the 

1

 through 

6

 keys while holding down the 

#

key, respectively. 

DCP7010/7020/7025 

 To enter the customizing code, use the   key,   key and 

Set

 keys. The numerical value 

rises when press the   key and falls when press the   key. The digit with a cursor is 
input when press the 

SET

 key, and the curser shifts to the next digit. 

NOTE:

 The machine does not work properly when an incorrect code is entered. 

(3) Press the 

Start

 key. 

The machine saves the setting and appears the “PARAMETER INIT” on the LCD. 
The machine returns to the initial stage of the maintenance mode. 
If you press the 

Stop/Exit

 key or no keys are pressed for one minute in the above  

procedure, the machine stops the procedure and returns to the initial stage of the  
maintenance mode.