2 ] Clean The New Head/Carriage Unit - Brother MFC640CW Service Manual

[ 2 ] Clean the new head/carriage unit

MFC820CW/640CW
(1) Open the scanner unit (scanner cover), set new ink cartridges into the ink refill ASSY, and
close the scanner unit.
(2) Carry out "Initial purge" (with Function code 76) using the steps below. (See
Section
Press the 7 and 6 keys in this order.
The machine displays "CLEANING ALL" on the LCD and enters the purge mode.
Press the 4 and Black Start keys in this order.
The machine starts an initial purge that refills the ink supply tubes and the new print head with
fresh ink.
DCP340CW
(1) Open the scanner unit (scanner cover), set new ink cartridges into the ink refill ASSY, and
close the scanner unit.
(2) Carry out "Initial purge" (with Function code 76) using the steps below. (See
Section
Enter 7 and 6 by using the
The machine displays "CLEANING ALL" on the LCD and enters the purge mode.
Enter 4 by using the
The machine starts an initial purge that refills the ink supply tubes and the new print head with
fresh ink.
(*To enter a numerical code on models having no numerical keypad, press the
display the numerical code to be entered and then press the Set key. Repeat this operation for each
numerical code.)
8.4.20.)
8.4.20.)
and Set keys.*
and Set keys.*
6- 9
Chapter 8,
Chapter 8,
key several times to
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