Brother HL-4200CN - Manual (Page 135)

ROUTINE MAINTENANCE AND CONSUMABLE REPLACEMENT 7 - 9
10
With the flat part of the cartridge facing the back,
align the orange rollers on both sides of the print
head cartridge with the slots in front of the arrows on
the printer, and gently lower the cartridge into the
printer.
1. Protective sheet
2. Orange rollers
■ Lowering the cartridge into the printer without
correctly aligning the roll with the slots can
damage the cartridge.
■ Do not allow the surface covered with a
protective sheet to come into contact with
anything.
11
Pull the protective sheet on the cartridge straight up
to remove it, as illustrated.
1. Do not touch the transfer roll
Do not touch the transfer roll (black part). Make sure
that nothing touches or scratches the roll surface.
Scratches, dirt or oil from your hands onto the roll
deteriorates print quality.
12
Close the paper outlet cover.