Acquisition Of White Level Data (Function Code 55); Paper Feeding And Ejecting Test (Function Code 67) - Brother DCP-7030 Service Manual

1.4.14 Acquisition of White Level Data (Function code 55)

<Function>
This function allows the machine to obtain white level data for the CIS unit and save it into the
EEPROM on the main PCB.
Note :
If you replace the FB unit, be sure to carry out this procedure.
<Operating Procedure>
(1) MFC7840W/7840N/7450/7440N/7340/7320
Press the 5 button twice in the initial stage of the maintenance mode.
DCP7045N/7040/7030
Press the
then press the OK button.
"Press START" will appear on the LCD.
(2) Press the Start button.
"SCANNER AREA SET" will appear on the LCD.
The machine saves the revision data into the EEPROM after a few seconds. Then, it
beeps for one seconds and returns to the initial stage of the maintenance mode.

1.4.15 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) MFC7840W/7840N/7450/7440N/7340/7320
Press in order the 6 and 7 buttons in the initial stage of the maintenance mode.
DCP7045N/7040/7030
Press the
OK button.
(2) The "PAPER FEED TEST" will appear. The test printing is started, and the grid pattern is
printed.
(3) Press the Stop/Exit button so that machine stops printing. Then, it beeps for one second
and returns to the initial stage of the maintenance mode.
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.
• Continue being printed till the recording paper disappears as far as push the Stop / Exit
button or open the front cover.
or button several times. "MAINTENANCE 55" appears on the LCD, and
or button. "MAINTENANCE 67" appears on the LCD, and then press the
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