Test Pattern (Function Code 09) - Brother DCP-7030 Service Manual

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.
When there is problem in the print quality, this function use to carve up whether there is the
cause in the recording side or the reading side.
<Operating Procedure>
(1) MFC7840W/7840N/7450/7440N/7340/7320
Press in order the 0 and 9 buttons in the initial stage of the maintenance mode.
DCP7045N/7040/7030
Press the
OK button.
(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.
or button. "MAINTENANCE 09" appears on the LCD, and then press the
Fig. 5-2
5-7
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