Brother MFC-9840CDW - Test Pattern (Function Code 09)

Confidential
5-7
1.4.5 Test Pattern (Function code 09)
<Function>
This function prints out a test pattern (Print Quality Check sheet) to allow the service personnel
to check the print quality.
<Operating Procedure>
(1) Press the 0 and 9 buttons in this order in the initial stage of the maintenance mode.
(2) The machine starts printing a test pattern. Upon completion of printing, the machine beeps
for one second and returns to the initial stage of the maintenance mode.
The figure below shows a test pattern that is printed.
Fig. 5-2