8.4.5 Test Pattern 1 (Function code 09); Procedure ; Test Pattern - Page 167

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8.4.5  Test Pattern 1 (Function code 09) 

„

 Function 

This function, much like the copying function, prints out test pattern 1 to allow the service  
personnel to check for record data missing or print quality. 

„

 Operating 

Procedure 

MFC7420/7820N 
Press the 

0

 and 

9

 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 09” code on the 
LCD. Then press the 

Set

  key .

The figure below shows test pattern. 

Test Pattern