Brother DCP-7090 Service Manual page 314

1.3.22 Test pattern (Function code 71)
<Function>
This function is used to print the test pattern to check whether the develop roller or exposure
drum is dirty or damaged.
<Operating Procedure>
(1) Press the [7], and then the [1] in the initial state of maintenance mode. For models
without keypad, press the [▲] or [▼] to display "MAINTENANCE 71" on the LCD and
press the [OK]. "SELECT: LETTER" is displayed on the LCD.
(2) Refer to the
the [SET] or [OK]. "SELECT: PLAIN" is displayed on the LCD.
(3) Refer to the
specification, and press the [SET] or [OK]. "SELECT: SX" is displayed on the LCD.
(4) Refer to the
the [SET] or [OK]. "SELECT: 1PAGE" is displayed on the LCD.
(5) Refer to the
press the [SET] or [OK]. "PRINTING" is displayed on the LCD, and printing test pattern
starts using the selected conditions.
(6) When printing is completed, "OK" is displayed on the LCD.
To perform again, press the [Start] or [Mono Start]. When "2D3S K" appears on the LCD,
press the [Start] or [Mono Start] again and start from the procedure (2).
(7) Press the [X] or [Stop], and the machine returns to the initial state of maintenance mode.
Note:
If printing fails, printing is stopped with displaying any of the errors shown in the
display> table. To retry printing, refer to the "Remedy" in the table, eliminate the error cause
and press the [Start] or [Mono Start]. "PRINTING" is displayed on the LCD, and the test pattern
is printed.
<Paper size>
LCD
SELECT: LETTER
SELECT: A4
SELECT:ISOB5
SELECT:JISB5
SELECT:A5
SELECT:A5L
SELECT:JISB6
SELECT:A6
SELECT:EXECUTE
SELECT:LEGAL
SELECT:FOLIO
SELECT:HAGAKI
<Paper size> table, press the [▲] or [▼] to select the paper size, and press
<Print specification> table, press the [▲] or [▼] to select the media
<Print type> table, press the [▲] or [▼] to select the print type, and press
<Print page> table, press the [▲] or [▼] to select the pages printing, and
Letter
A4
ISO B5
JIS B5
A5
A5L
JIS B6
A6
Executive size
Legal size
Folio size
Postcard size
Description
5-42
<Error
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