Brother FAX 560, Service Manual

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3.6 Operational Check of LCD
Function
This function allows you to check whether the LCD on the control panel works normally.
Operating Procedure
Models except FAX-T78
(1) Press the 1 and 2 keys in this
order in the initial stage of the
maintenance mode.
The LCD shows black boxes
as shown at right (top).
(2) Press the Start key. Each time
you press the Start key, the
LCD cycles through these
three patterns as shown at
right.
(3) Press the Stop key in any process of the above pattern cycle. The equipment beeps for one
second and returns to the initial stage of the maintenance mode.
FAX-T78
(1) Press the 1 and 2 keys in this
order in the initial stage of the
maintenance mode.
The LCD shows boxes as
shown at right (top).
(2) Turn the jog dial. The LCD
cycles through these three
patterns as shown at right,
according to the rotation
direction of the jog dial.
(3) Press the Stop key in any process of the above pattern cycle. The equipment beeps for one
second and returns to the initial stage of the maintenance mode.
Turn the jog dial
counterclockwise.
Turn the jog dial
clockwise.