Brother International MFC 8890DW Service Manual - Page 383
If You Replace The Wireless Lan Pcb
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2. IF YOU REPLACE THE WIRELESS LAN PCB • Backup to the Main PCB of the Wireless LAN PCB Information WIRELESS LAN PCB ASSY ■ Backup to the Main PCB of the Wireless LAN PCB Information (MFC 8890DW only) The main PCB stores a part of the information of EEPROM on the wireless LAN PCB. It is necessary to write the information of EEPROM on the wireless LAN PCB. (1) Turn the power supply of the machine on while pressing the [ ] and [OK] button at the same time. (Hold on the [ ] and [OK] button while pressing it.) "PLEASE WAIT" is displayed on the LCD. When continue pressing the [ ] and [OK] button, "CHECK START" is displayed on the LCD. AT this time, release the two buttons. (2) After having passed for a while, "WLAN MODULE OK" is displayed on the LCD. Turn the power supply of the machine off after two indications are displayed. 6-12 Confidential
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