5-1
Confidential
CHAPTER 5 SERVICE FUNCTIONS
1. MAINTENANCE MODE
The maintenance mode is exclusively designed for the checking, setting and adjustments of
the machine by using the buttons on the control panel.
By using the functions in the maintenance mode, you can perform operation check of sensors
and print tests, display log information and error codes, or change the settings of worker
switches (WSW).
1.1 How to Enter the Maintenance Mode
<Operating procedure>
(1) Press the Menu button and then the Go button while the machine is in the ready state.
Next, press the button four times to enter the maintenance mode.
(2) The machine displays " " on the LCD, indicating that it is placed in
the initial state of the maintenance mode, a mode in which the machine is ready to accept
entry from the buttons.
(3) Directly enter the desired maintenance-mode function code using the ten-key pad.
1.2 How to Enter the End User-accessible Maintenance
Mode
Basically, the maintenance-mode functions listed in the
next 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 by phone, for example.
The end user-accessible functions are
shaded
in the table given on the next page.
(codes
12, 25, 45, 49, 77, 80, 82 and 91
)
<Operating procedure>
(1) Press the Menu, Go and 0 buttons in this order when the machine is in the ready state.
"0" is displayed on the LCD.
(2) Directly enter the desired maintenance-mode function code using the ten-key pad.
When each of the user-accessible functions is completed, the machine automatically
returns to the ready state. As for the codes 12, 25, 45, 49, 77, 80, 82 and 91, press the
Cancel button to switch the machine return to the ready state.
Note:
Maintenance modes 17 and 18 are not included in the firmware of the products manufac-
tured during an early stage. Be sure to upload the latest firmware first.