Brother DCP-6690CW, Service Manual, Page: 184 / 506

6-3 Confidential
„
Preparation
Prior to proceeding with the disassembly procedure,
(1) Be sure to back up the machine information and user data 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
Chapter 9, Section 9.4.10 "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 models)
- Modular jack of the telephone line
*1
- USB cable, if connected
- LAN cable, if connected
- USB digital camera cable or USB flash memory drive, if connected
- Modular jack of the external telephone set
*1
from the external telephone line jack, if
connected (if not, remove the EXT cap
*1
)
(3) Remove the paper tray assemblies #1
*2
and #2.
(4) Remove memory cards if inserted in the machine.
*1 For MFC only
*2 DX paper tray ASSY #1 for duplex print models
(5) Remove all four ink cartridges and set the protective part instead. Check that the small tabs
on both sides of the protective part fit in the holes provided in the ink refill ASSY.
Power cord
200 V series
Telephone line cord* 1
Paper tray ASSY #2
Paper tray ASSY #1*
2
(6_01)
EXT cap* 1
(6_02)
Protective part