Brother DCP-L8400CDN Service Manual page 434

1.3.26 Frame pattern print (Two-sided) (Function code 70)
<Function>
This function is used to print one page of the frame pattern of the external circumference in
two-sided printing and check if there is any deviation or omission of print.
<Operating procedure>
(1) Load the paper whose size matches the default paper setting (A4 or Letter) into the paper
tray.
(2) Press the 7 and 0 keys in this order in the initial state of the maintenance mode.
"PRINTING" is displayed on the LCD, and the frame pattern (see the figure below) is printed on
both sides of the paper.
(3) When print is completed, "WAKU DX" is displayed on the LCD.
(4) Press the X key to return the machine to the initial state of the maintenance mode.
Note:
If printing fails, the following error indications are displayed on the LCD, and printing is
cancelled. To print again, refer to the measures in the table below and remove the cause of
the error. Then, press the Mono Start key. "PRINTING" is displayed on the LCD, and the
frame pattern is printed on a single sheet.
Error message
Replace Toner
Cover is Open
No Paper
Jam Tray1
Jam Rear
Jam Duplex
Duplex Disabled
■
Frame pattern
Replace the empty toner cartridge and press the Mono Start key
to clear the error.
Close the front cover.
Load paper into the paper tray, close the paper tray, and press the
Mono Start key to clear the error.
Remove the jammed paper, close the paper tray and all the
covers, and press the Mono Start key to clear the error.
Load paper into the paper tray, close the paper tray and all the
covers, and press the Mono Start key to clear the error.
Fig. 5-18
5-50
Measure
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