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1.3.6 Operational Check of LCD (Maintenance mode 12)

< Function >

This function checks whether the LCD on the control panel works normally.

< Operating Procedure >

(1) Press the 1 and 2 keys in this order in the initial stage of the maintenance mode.

(2) Each time you press the Home key, the LCD cycles through the screens as shown

below.

Pressing the Back key goes back to the immediately preceding screen.

When Screen 12 displays, pressing the Home key switches to Screen 1.

(3) Press the X key in any process of the screen cycle to return the machine to the

initial stage of the maintenance mode.

< Screen 1 >

Completely blank

< Screen 2 >

All black

< Screen 3 >

All gray

< Screen 4 >

All red

< Screen 5 >

All green

< Screen 6 >

All blue

< Screen 7 >

White stepwise

< Screen 8 >

Red stepwise

< Screen 9 >

Green stepwise

< Screen 10 >

Blue stepwise

< Screen 11 >

Stroke detection

< Screen 12 >

Image data

Brother MFC-J2330DW Service Manual

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