Brother HL-4200CN Service Manual page 362

2
Push up button A (1) and fully open the
front door (2).
3
Push the button as shown and open
the paper outlet cover.
4
Grip the handle on top of the print
head cartridge and gently lift it out of
the printer.
Place the print head cartridge on a level surface with its
back facing you.
5
Holding the cleaning kit with the
"↑TOP" facing up, slowly insert it into
the print head cartridge.
Note that you need to insert the cleaning kit into
different slots depending on the color of the dots.
Magenta: Second slot (shown in the diagram at right)
Cyan: Third slot
Black: Fourth slot
6
Align the orange rollers on the inner side
of the print head cartridge with the slots
in front of the arrows inside the printer,
and slowly lower it into the printer.
If the slot and the rollers are not completely aligned then
the print head cartridge may be damaged when it is
lowered into the printer.
First slot
Second slot
Third slot
Fourth slot
3