Brother MFC640CW - If You Replace the Control Panel Pcb; If You Replace the Scanner Cover; Scanner Unit

6-27 Confidential
6.5 IF YOU REPLACE THE CONTROL PANEL PCB
(MODELS WITH BACKLIGHTS)
Adjust the light intensity of the backlight.
Refer to Chapter 8, Section 8.4.5.
6.6 IF YOU REPLACE THE SCANNER COVER
(SCANNER UNIT)
Check the CIS type and write it to the EEPROM.
Refer to Chapter 5, Section 5.1.3 and Chapter 8, Section 8.4.12.