5-1
Confidential
CHAPTER 5 SERVICE FUNCTIONS
1. FUNCTION CODE
Maintenance mode is exclusively designed for checking, setting and adjusting the machine
using the keys on the control panel. These keys allow you to execute sensor operation
check, test printing, log information and error code display, or worker switch (WSW) setting.
1.1 How to Enter Maintenance Mode
1.1.1 Method of entering maintenance mode for service personnel
<Operating Procedure>
For models without touch panel
(1) Press the [Menu], and then the [Start] key while the machine is in the ready state. Then,
press the [▲] key four times to enter the maintenance mode.
(2) "■■ MAINTENANCE ■■■" is displayed on the LCD to indicate that the machine entered
the initial state of maintenance mode. The machine is ready to accept entry via keys.
(3) To select any of the maintenance mode functions shown in the "1.2 List of Maintenance
Mode Functions", press the [▲] or [▼] key. Check that the desired maintenance mode is
displayed on the LCD, and press the [OK] key. For models with keypad, you can enter
the desired function code number directly with the keypad.
For models with touch panel
(1) Press and hold the [Home] key for
approximately five seconds while the machine
is in the ready state. The display shown on the
right appears on the LCD.
(2) Press and hold the blank field at the bottom for
approximately two seconds. The display
shown on the right appears on the LCD.
(3) Press the [*], [2], [8], [6], and [4] keys in this
order. The display shown on the right appears
on the LCD, and the machine enters into
maintenance mode.
(4) To select any of the maintenance mode
functions shown in the "1.2 List of
Maintenance Mode Functions", use the keypad
to enter the maintenance mode function code
to be executed.
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