Fig. 5-2
For models without keypad
(1) Press the [▲] or [▼] key in the initial 
state of maintenance mode to display 
"MAINTENANCE 09" on the LCD, and 
press the [OK] key. "MAINTENANCE 
09" is displayed on the LCD, and 
printing the monochrome print quality 
test pattern (refer to the figure below) 
starts. When printing is completed, the 
machine returns to the initial state of 
maintenance mode.
 For models with keypad
(1) Press the [0], and then the [9] key in the 
initial state of maintenance mode. 
"MAINTENANCE 09" is displayed on the 
LCD, and printing the monochrome print 
quality test pattern (refer to the figure 
below) starts. When printing is 
completed, the machine returns to the 
initial state of maintenance mode.