5-12
Confidential
1.4.5 Monochrome image quality test pattern (Function code 09)
<Function>
This function allows you to print various monochrome test patterns and check the quality and if
there is any image loss.
<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, and
when printing is finished, the machine beeps for one second and returns to the initial state
of the maintenance mode.
Fig. 5-5
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