Brother MFC5890CN Service Manual page 289

8.2 CLEANING THE MAINTENANCE UNIT
(1) Plug the power cord of the machine into an electrical outlet.
(2) On the machine, press the Menu and Black Start (Mono Start) keys in this order. Next
press the
Chapter 9.)
TIP: Models equipped with a numerical keypad on the control panel can enter the
maintenance mode in the same way as conventional models; that is, by pressing the Menu,
*, 2, 8, 6 and 4 keys in this sequence.
The machine beeps for approx. one second and displays "
LCD, indicating that it is placed in the initial stage of the maintenance mode, a mode in
which the machine is ready to accept entry from the keys.
(3) Move the head/carriage unit to the center of its travel (function code 63 in
Section 9.4.18) by pressing the 6, 3, Black Start (Mono Start), and * keys in this
sequence.
(4) Unplug the power cord of the machine from the electrical outlet.
(5) Open the scanner cover (scanner unit).
(6) Clean the two head cap unit and wiper of the maintenance unit with a "Rubycel" stick that
is a cleaner stick provided as a spare part.
Note: Do not use a cotton swab that may leave lint on the cleaned sections. Lint left on the
maintenance unit will affect the print performance.
Note: Use a new Rubycel stick and do not use the used one for any other maintenance
units.
Note: During the cleaning jobs, take care not to touch the head caps or wiper directly by
hand or scratch their surfaces. Do not remove them from the head cap holder.
(7) Close the scanner cover.
(8) Plug the power cord of the machine into an electrical outlet.
(9) Hear the head/carriage unit moving. After the moving sound stops, unplug the machine's
power cord from the electrical outlet.
Head wiper
Head cap unit
key four times to make the machine enter the maintenance mode. (Refer to
Rubycel stick
Maintenance unit
8-2
" on the
Chapter 9,
(cleaning_BHM9_E)
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