5-1
Confidential
CHAPTER 5 SERVICE FUNCTIONS
1. MAINTENANCE MODE
Maintenance mode is exclusively designed for checking, setting and adjusting the machine
using the keys on the control panel. For LCD models, you can conduct operational checks of
sensors or test printing, display the log information or error codes, and change the worker
switches (WSW) by using maintenance mode functions. Although LED models are not
equipped with the above maintenance mode functions, they are equipped with conventional
maintenance mode functions using the [Go].
1.1 How to Enter Maintenance Mode
1.1.1 Method of entering maintenance mode for service personnel
<Operating Procedure>
LCD models
(1) Press the [OK] and then the [Go]
while the machine is in the ready
state. Then, press the [
▲
] four times
to enter the maintenance mode.
LED models
(1) Open the front cover while the power
switch is turned OFF.
(2) Press and hold the [Go], and turn ON
the power switch. The Toner, Drum,
and Paper LEDs light.
(3) Release the [Go]. All LEDs go out.
(4) Press the [Go] for the assigned
number of times to enter maintenance
mode (While you are pressing the
[Go], the Ready LED remains lit).
Toner, Drum, and Paper LEDs light
when the [Go] is pressed for assigned
number of times.
(5) Press the [Go] again for the assigned
number of times to select the function
(While you are pressing the [Go], the
Ready LED remains lit).
Toner, Drum, and Paper LEDs go out
in a second after the [Go] is pressed
for assigned number of times.
Note:
• To enter the maintenance mode,
press the [Go] in two seconds
after pressing the [OK].
Similarly, press the [
▲
] in two
seconds after pressing the [Go].
(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
of Maintenance Mode Functions”
press the [
▲
] or [
▼
]. Check that the
desired maintenance mode is
displayed on the LCD, and press the
[OK].
