Brother MFC MFC-9120CN User Manual

Troubleshooting and routine maintenance
157
C
Cleaning the LED heads C
WARNING
DO NOT use any flammable substances,
spray or organic solvent/liquids containing
alcohol/ammonia 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 119.
IMPORTANT
DO NOT touch the windows of the LED
heads with your fingers.
a Before you clean the inside of the
machine, turn off the machine. Unplug
the telephone line cord first, and then
unplug the power cord from the
electrical socket.
b Fully open the top cover by lifting up on
the handle (1).
IMPORTANT
When the scanner is open, you cannot
open the top cover.
c Wipe the windows of the LED heads (1)
with a dry, lint-free cloth. Be careful not
to touch the windows of the LED
heads (1) with your fingers.
d Close the top cover of the machine.
e Plug the machine’s power cord back into
the electrical socket first, and then plug
in the telephone line cord. Turn on the
machine.
1
1
1

Brother MFC MFC-9120CN Specifications

General

Print Technology	Laser
Connectivity	USB 2.0, Ethernet
Duplex Printing	Manual
ADF Capacity	35 sheets
Fax Modem Speed	33.6 Kbps
Functions	Print, Copy, Scan, Fax
Maximum Printing Speed (Black)	17 ppm
Maximum Printing Speed (Color)	17 ppm
Monthly Duty Cycle	Up to 30, 000 pages
Scanning Resolution	Up to 19200 x 19200 dpi (interpolated)
Optical Scan Resolution	1200 x 2400 dpi
Memory	64 MB
Paper Handling	250-sheet input tray
Scanner Type	Flatbed
Copy Speed	Up to 17 cpm
Paper Capacity	250 sheets
Print Speed	Up to 17 ppm (Black/Color)