Brother HL 1240 - B/W Laser Printer Service Manual page 283

Warning
After you have just used the printer, some internal parts of the printer are
extremely hot. When you open the front cover of the printer, never touch the
shaded parts shown in the following illustration.




4.
Gently wipe the scanner window with a soft dry cloth.
!
Caution
Do not touch the scanner window with your fingers.
Do not wipe the scanner window with cleaning alcohol (isophorol).
Handle the drum unit carefully as it contains toner. If toner scatters and your
hands or cloths get dirty, wipe or wash it off with water immediately.
Note
It is recommended to put the drum unit on a piece of disposable paper or cloth in
case of accidental toner spill or scatter.
High Temperature
Front view
Fig. 3-20 Inside the printer
Scanner Window
Fig. 3-21 Cleaning the scanner window
3-17
CHAPTER 3 MAINTENANCE
High Temperature
Rear view