C5550 MFP User’s Guide
Maintenance > 129
4. Lift each of the image drum units out of the MFP and place 
them in a safe place away from direct sources of heat and 
light.
 ID Bag.eps 
 
CAUTION!
The green image drum surface at the base of each 
cartridge is very delicate and light sensitive. Do not 
touch it and do not expose it to normal room light for 
more than 5 minutes. If the drum unit needs to be out 
of the MFP for longer than this, please wrap the 
cartridge inside a black plastic bag to keep it away 
from light. Never expose the drum to direct sunlight 
or very bright room lighting.