9-1
Confidential
9.1 ENTRY INTO THE MAINTENANCE MODE
(1) Press the Menu and Black Start (Mono Start) keys in this order. Next press the key
four times to switch the machine to the maintenance mode.
The machine beeps for approx. one second and displays " " on the
LCD, indicating that it is placed in the initial stage of the maintenance mode, a mode in
which the machine is ready to accept entry from the keys.
TIP: Models with numerical keypad on the control panel can enter the maintenance mode
in the same way as conventional models; that is, by pressing the Menu, *, 2, 8, 6 and 4
keys in this order.
(2) To select one of the maintenance-mode functions listed in Section 9.2, enter the
corresponding 2-digit function code with the numerical keys on the control panel. (The
details of each maintenance-mode function are described in Section 9.4.)
NOTES • To exit from the maintenance mode and switch to standby, press the 9
key twice
in the initial stage of the maintenance mode.
• Pressing the Stop/Exit key after entering only one digit restores the machine to
the initial stage of the maintenance mode.
• If an invalid function code is entered, the machine resumes the initial stage of
the maintenance mode.
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