5-4
Confidential
1.4.2 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 or button to display “MAINTENANCE 09” on the LCD in the initial state of
the maintenance mode. Then, press the OK button.
(2) Printing of a monochrome image quality test pattern (see the figure below) is started.
When printing is finished, the printer returns to the initial state of the maintenance mode.
Fig. 5-1
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