Brother MFC-9125CN - LED Test Pattern Print (Function Code 68)

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1.4.19 LED test pattern print (Function code 68)
<Function>
This function allows you to print the LED ASSY test pattern and check the quality of the LED
ASSY and if it is lifted from the drum.
<Operating procedure>
(1) Press the 6 and 8 buttons in this order in the initial state of the maintenance mode.
(2) When “M68_L” is displayed on the LCD, press the or button to select an
appropriate test pattern, and press the OK button.
The available test pattern is shown below.
“PRINTING” is displayed on the LCD, and the LED test pattern (refer to next page) is
printed on a sheet.
(3) When the Stop/Exit button is pressed, the machine beeps for one second and returns to
the initial state of the maintenance mode.
When an error message is displayed on the LCD, take the measures described in the table below.
* # indicates the toner color (K, Y, M, or C) of which cartridge became empty.
Note:
You can check scratches and smears on the LED by performing the continuous print test.
(Refer to “1.4.18 Continuous print test (Function code 67)” in this chapter)
LCD Description
M68_L Vertical/horizontal dot loss check pattern
Note:
When printing fails, a relevant error is displayed on the LCD. When the error factors
are removed and the Start/Black button is pressed, the machine automatically
recovers to the re-executable state. “PRINTING” is displayed on the LCD, and the test
pattern is printed on a sheet.
Error message Measure
TONER EMPTY # * Replace the empty toner cartridge and press the Start/Black
button to clear the error. Perform the LED test pattern print
again.
Cover is Open Close the top cover.
No Paper Replenish paper, and press the Start/Black button to clear
the error.
Jam Tray1 Remove the jammed paper, and press the Start/Black
button to clear the error.
Jam Rear Remove the jammed paper, and press the Start/Black
button to clear the error.