5-2
Confidential
1.1.2 Method of entering end-user accessible maintenance mode
The maintenance mode functions should only be accessed by service personnel. However,
end users are allowed to use some of these functions under the guidance of service
personnel over the phone. End users can only use the functions shaded in the table “1.2 List
of Maintenance Mode Functions” (Function code 09, 12, 25, 45, 77, 80, 82, 91).
<Operating Procedure>
(1) Press the [OK], [Go], and [OK] in this order while the machine is in the ready state. “0”
is displayed on the LCD.
(2) Press the [▲] or [▼] several times until the desired maintenance mode function is
displayed on the LCD. Check that the desired maintenance mode is displayed on the
LCD, and press the [OK].
(3) Each time the selected maintenance mode function is completed, the machine returns
to the ready state automatically. For function codes 12, 25, 45, 80, and 82, pressing
and holding the [Go] returns the machine to the ready state.
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