Brother DCP-L8400CDN Service Manual page 435
Color laser
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Also See for DCP-L8400CDN:
- Basic user's manual (211 pages) ,
- Quick setup manual (2 pages) ,
- User manual (77 pages)
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1.3.27 Color test pattern (Function code 71)
<Function>
This function is used to print the pattern of each color and check if there is any dirty on or
failure in the belt unit, developer roller, and exposure drum, etc.
<Operating procedure>
(1) Press the 7 and 1 keys in this order in the initial state of the maintenance mode. "2D3S
YMCBWKW_A" is displayed on the LCD.
(2) Referring to the
pattern and press the SET key. When "2D3S YMCBWKW_A" is selected, "PRINTING" is
displayed on the LCD and a test pattern printing is started. When a print pattern other than
"2D3S YMCBWKWK_A" is selected, "SELECT: A4" is displayed on the LCD. (Following
steps (3) to (6) described below, select an option in each item and perform test pattern
printing.)
(3) Referring to the
size and press the SET key. "SELECT: PLAIN" is displayed on the LCD.
(4) Referring to the
media specifications and press the SET key. "SELECT: SX" is displayed on the LCD.
(5) Referring to the
and press the SET key. "SELECT: 1PAGE" is displayed on the LCD.
(6) Referring to the
key to select the desired number of pages to be printed and press the SET key.
"PRINTING" is displayed on the LCD and the test pattern starts to be printed under the
selected items for paper feed test.
(7) When printing is finished, the screen returns to the print pattern display. To print the test
pattern again, press the Mono Start key.
(8) Press the X key to return the machine to the initial state of the maintenance mode.
Note:
If printing fails, the error indications in the
and printing is cancelled. To print again, refer to the measures in the table and remove the
cause of the error. Then, press the Mono Start key. "PRINTING" is displayed on the LCD
and the color test pattern is printed.
<Print pattern>
table, press the
<Paper size>
table, press the
<Print specifications>
table, press the
<Print type>
table, press the
<Number of pages to be printed>
<Error message>
5-51
or
key to select the desired print
or
key to select the desired paper
or
key to select the desired
or
key to select the desired print type
table, press the
or
table are displayed on the LCD
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Troubleshooting
