Preparation - Brother MFC5890CN 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
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
- 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, if
connected (if not, remove the EXT cap)
(3) Remove the paper tray ASSY.
(4) Remove memory cards if inserted in the machine.
EXT cap
200 V series
Power cord
(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.
Protective part
Telephone line cord
6-3
Chapter 9, Section 9.4.11 "Backup
Paper tray ASSY
(6_01_BHL9_A3)
(protective_part)
Confidential