Monochrome Print Quality Test Pattern (Function Code 09) - Brother HL-2290 Service Manual

1.3.3 Monochrome print quality test pattern (Function code 09)

<Function>
This function is used to print test patterns to check any missing image and print quality.
<Operating Procedure>
(1) Press the [▲] or [▼] in the initial state of maintenance mode to display "MAINTENANCE
09" on the LCD, and press the [OK]. It starts printing the print quality test pattern (refer to
the figure below).
(2) When printing is completed, the machine returns to the initial state of maintenance
mode.
Fig. 5-1
5-9
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