Preparation - Brother MFC990CW Service Manual

Preparation

Prior to proceeding with the disassembly procedure,
(1) Be sure to back up the machine information and user setting information into an external
memory. If the main PCB is replaced, restore the backup data to the new main PCB after
completion of reassembling. Failure to back up the machine information requires the ink
absorber box and flushing box to be replaced after replacement of the main PCB.
For detailed backup and restoration procedures, refer to
"Backup of Machine Information (Function code 46) (User-accessible)."
(2) Unplug the following:
- Power cord from the electrical outlet (or from the machine in the case of 200 V series)
- Modular jack of the telephone line
- Modular jack of the curled cord (and remove the handset)
- USB cable, if connected
- LAN cable, if connected
- Digital camera USB cable or USB flash memory drive, if connected
- Modular jack of the external telephone set from the external telephone line jack
connected (if not, remove the EXT cap)
(3) Remove the following:
- Paper tray ASSY
- Handset mount
(4) Remove memory cards
Power cord
1
EXT cap*
1
Telephone line cord*
200 V series
Power cord
*1
*3
*2
(see the illustration on the next page)
*4
if inserted in the machine.
2
Handset*
6-3
Chapter 9, Section 9.1.4.13
*2
*1 For MFC only
*2 For models with handset
*3 For wired LAN-enabled models
*4 For models with PhotoCapture Center
*1
Paper tray ASSY
(Preparation_mini9)
Confidential
, if