Brother MFC-9840CDW Printer User Manual


 
150
Routine maintenance C
CAUTION
The drum unit contains toner, so handle it
carefully. If toner scatters on your hands or
clothes, wipe or wash it off with cold water
at once.
Cleaning the outside of the
machine C
CAUTION
Use neutral detergents. Cleaning with
volatile liquids such as thinner or benzine
will damage the outside surface of the
machine.
DO NOT use cleaning materials that
contain ammonia.
DO NOT use isopropyl alcohol to remove
dirt from the control panel. It may crack the
panel.
DO NOT use flammable substances or any
type of spray to clean the inside or outside of
the machine. Doing this may cause a fire or
electrical shock. For more information, see
Important safety instructions on page 104.
Clean the outside of the machine as
follows:
C
a Turn off the machine’s power switch.
Unplug the telephone line cord first,
disconnect all cables, and then unplug
the power cord from the AC power
outlet.
b Pull the paper tray completely out of the
machine.
c Wipe the outside of the machine with a
dry, lint-free cloth to remove dust.
d Remove anything that is stuck inside the
paper tray.