Method Of Entering End-User Accessible Maintenance Mode - Brother HL-2290 Service Manual

1.1.2 Method of entering end-user accessible maintenance mode

The maintenance mode functions should only be accessed by service personnel. However,
end users are allowed to use some of these functions under the guidance of service
personnel over the phone. End users can only use the functions shaded in the table
of Maintenance Mode Functions"
<Operating Procedure>
LCD models
(1) Press the [OK], [Go], and [OK] in this
order while the machine is in the
ready state. "0" is displayed on the
LCD.
(2) Press the [▲] or [▼] several times
until the desired maintenance mode
function is displayed on the LCD.
Check that the desired maintenance
mode is displayed on the LCD, and
press the [OK].
(3) Each time the selected maintenance
mode function is completed, the
machine returns to the ready state
automatically. For function codes 12,
25, 45, 80, and 82, pressing and
holding the [Go] returns the machine
to the ready state.
(Function code 09, 12, 25, 45, 77, 80, 82, 91).
LED models
(1) Check that the front cover is closed.
(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).
(5) Each time the selected maintenance
mode function is completed, the
machine returns to the ready state
automatically.
5-2
"1.2 List
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