5-1
Confidential
1. MAINTENANCE MODE
The maintenance mode is exclusively designed for the checking, setting and adjustments of
the printer by using the buttons on the control panel. You can perform operational checks of
sensors, perform a print test, display the log information or error codes, and modify the worker
switch (WSW).
1.1 How to Enter the Maintenance Mode
<Operating procedure>
(1) Press the OK button and then the Go button while the printer is in the ready state. Next,
press the button four times to enter the maintenance mode.
(2) The printer displays “ ” on the LCD, indicating that it is placed in
the initial state of the maintenance mode, a mode in which the printer is ready to accept
entry from the buttons.
(3) To select one of the maintenance-mode functions listed in the next page, press the or
button to display any function code on the LCD. Then press the OK button.
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 09, 12, 25, 28, 45, 66, 68, 71, 72, 75, 77,
80, 82 and 91)
<Operating procedure>
(1) Press the OK, Go and OK buttons in this order when the printer is in the ready state.
“0” appears on the LCD.
(2) Press the or button to display the desired maintenance code on the LCD. Then
press the OK button.
When each of the user-accessible functions is completed, the printer automatically returns to
the ready state. As for the codes 12, 25, 28, 45, 66, 68, 71, 72, 75, 80 and 82, press the
Cancel button to switch the printer return to the ready state.
Note:
To enter the maintenance mode, you must press the Go button within 2 seconds after
pressing the OK button. Also, you need to press the button within 2 seconds after
pressing the Go button.
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