8 ] Wireless Lan (Wlan); 9 ] Others - Brother DCP6690CW Service Manual

[ 8 ]
Wireless LAN (WLAN)
Problem
(1) PC-driven printing via the
wireless LAN is impossible.

[ 9 ] Others

Problem
(1) When the power is turned on
(when the AC power cord is
plugged into an electrical
outlet), the scanner makes a
grating noise.
Check the following:
- The address has not been changed at both the machine and PC.
- Connection between the WLAN PCB and the main PCB
- WLAN PCB
Check the following components:
- Scanner cover (CIS flat cable)
- Main PCB
4-48
Action to be taken
Action to be taken
Confidential