Led Test Pattern Print (Function Code 68) - Brother HL-3040CN Service Manual

1.4.12 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.
Note:
You can check scratches and smears on the LED by performing the continuous print test.
(Refer to "1.4.11 Continuous print test (Function code 67)"
<Operating procedure>
(1) Press the
the maintenance mode. Then, press the OK button.
(2) When "M68_L" is displayed on the LCD, press the OK button.
The available test patterns are shown below.
M68_L
"PRINTING" is displayed on the LCD, and the LED test pattern is printed on a sheet.
Note:
When printing fails, a relevant error is displayed on the LCD. When the error factors
are removed and the Go 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.
(3) Press the Cancel button to return to the machine 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.
Error message
TONER EMPTY # *
Cover is Open
No Paper
Jam Tray1
Jam Rear
* # indicates the toner color (K, Y, M, or C) of which cartridge became empty.
or button to display "MAINTENANCE 68" on the LCD in the initial state of
LCD
Vertical/horizontal dot loss check pattern
Replace the empty toner cartridge and press the Go button to
clear the error. Perform the LED test pattern print again.
Close the top cover.
Replenish paper, and press the Go button to clear the error.
Remove the jammed paper, and press the Go button to clear
the error.
Remove the jammed paper, and press the Go button to clear
the error.
in this chapter.)
Description
Measure
7-24
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