9-3
Confidential
9.3 USER-ACCESS TO THE MAINTENANCE MODE
Basically, the maintenance-mode functions listed on the previous page should be accessed by
service personnel only. However, you can allow end users to access some of these under the
guidance of service personnel (e.g., by telephone).
The user-accessible functions (codes 10 to 12, 37, 46, 52, 53, 66, 75, 76, 80, 82, 87, 88, and 91)
are shaded in the table given on the previous page. Function code 10 accesses the firmware
switches, each of which has eight selectors. You should not allow end users to access all of
those selectors, but you can allow them to access user-accessible selectors which are shaded in
the firmware switch tables in Appendix 4.
The service personnel should instruct end users to follow the procedure given below.
(1) Press the Menu, Black Start (Mono Start), and Menu keys in this order.
TIP: For models with numerical keypad, you may press the Menu, Black Start (Mono
Start), and 0 keys instead in the same way as conventional models.
(2) When the machine shows " " on the LCD, indicating that the
machine is ready to accept a function code number, enter a desired user-accessible code.
(3) To make the machine return to standby, press the Stop/Exit key. When each of the user-
accessible functions is completed, the machine automatically returns to standby.
Black Start key
(Mono Start key)
Stop/Exit key
Menu key
0 key
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