Brother DCP-7055 - If You Replace the Lcd Unit; Operation Check of LCD (Maintenance Mode: Code 12)

4-10 Confidential
6. IF YOU REPLACE THE LCD UNIT
<What to do when replacing the panel unit or LCD unit>
• Operation check of LCD (Maintenance mode: code 12)
6.1 Operation Check of LCD (Maintenance Mode: Code 12)
Check performance of the LCD in accordance with "1.4.7 Operational check of LCD
(Function code 12)" in Chapter 5.