6-9 Confidential
[ 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 Chapter 8,
Section 8.4.20.)
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 Chapter 8,
Section 8.4.20.)
Enter 7 and 6 by using the
and Set keys.*
The machine displays "CLEANING ALL" on the LCD and enters the purge mode.
Enter 4 by using the
and Set keys.*
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 key several times to
display the numerical code to be entered and then press the Set key. Repeat this operation for each
numerical code.)
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