Check Control Panel Key Operation (Function Code: 13) - Brother HL-L5000D Service Manual

1.3.5 Check control panel key operation (function code: 13)

<Function>
This function is used to check that keys on the control panel are operating normally.
<Operating Procedure>
Non touch panel models
(1) Press the [▲] or [▼] key in the initial
state of maintenance mode to display
"MAINTENANCE 13" on the LCD, and
press the [OK] key. "00" is displayed
on the LCD.
(2) Press the keys on the control panel
according to the numbers provided in
the figure below. Each time the key is
pressed, the corresponding figure is
displayed on the LCD in decimal
notation. Check that the number and
the key name displayed on the LCD
matches the number assigned to the
key that has been pressed. If the keys
are pressed in the incorrect order,
"INVALID OPERATE" is displayed on
the LCD. Press the [X] key and try
again with the correct key.
(3) When the key operation is normal, the
machine returns to the initial state of
maintenance mode when the last key
is pressed.
To cancel operation and return to the
initial state of maintenance mode,
press the [X] key.
■ Order of pressing keys
<Non touch panel models>
1
4
8
2
3
5 6
7
9
Fig. 5-6
Touch panel models
(1) Press the [1], and then the [3] key in
the initial state of maintenance mode.
"00" is displayed on the LCD.
(2) Press the keys on the control panel
according to the numbers provided in
the figure below. Each time the key is
pressed, the corresponding figure is
displayed on the LCD in decimal
notation. Check that the number
displayed on the LCD matches the
number assigned to the key that has
been pressed. If the keys are pressed
in the incorrect order, "INVALID
OPERATE" is displayed on the LCD.
Press the [X] key and try again with
the correct key.
(3) When the key operation is normal, the
machine returns to the initial state of
maintenance mode when the last key
is pressed. To cancel operation and
return to the initial state of
maintenance mode, press the [X] key.
<Touch panel models>
1
4
5-12
2 3
5 6
Fig. 5-7
Confidential