Monochrome Image Quality Test Pattern (Function Code: 09) - Brother FAX-2840 Service Manual

1.3.5 Monochrome image quality test pattern (Function code: 09)

<Function>
This function is used to print various monochrome test patterns to check any missing image
and print quality.
<Operating Procedure>
(1) Press the [0] and [9] buttons in this order in the initial state of the maintenance mode.
(2) Printing of the monochrome image quality test pattern (see the figure below) starts.
When printing is completed, the machine beeps for one second and returns to the initial
state of the maintenance mode.
Fig. 5-2
5-7
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