2
Symbols and conventions used in the 
documentation A
The following symbols and conventions are used throughout the documentation.
Follow all warnings and instructions marked on the product.
 
WARNING
WARNING indicates a potentially hazardous 
situation which, if not avoided, could result in 
death or serious injuries.
 
CAUTION
CAUTION indicates a potentially hazardous 
situation which, if not avoided, may result in 
minor or moderate injuries.
IMPORTANT
IMPORTANT indicates a potentially 
hazardous situation which, if not avoided, 
may result in damage to property or loss of 
product functionality.
NOTE
NOTE specifies the operating environment, 
conditions for installation, or special 
conditions of use.
• Not all models are available in all 
countries.
• The illustrations in this guide show the 
HL-L2340DW and MFC-L2700DW.
 
 
Electrical Hazard icons alert you to 
possible electrical shocks.
 
Fire Hazard icons alert you to the 
possibility of a fire.
 
Hot Surface icons warn you not to 
touch product parts that are hot.
 
Prohibition icons indicate actions 
that must not be performed.
Bold Bold typeface identifies specific 
buttons on the product’s control 
panel or on the computer 
screen.
Italics Italicized typeface emphasizes 
an important point or refers you 
to a related topic.
Courier 
New
Text in the Courier New font 
identifies messages on the 
LCD of the product.