Fuser - Lexmark Optra C Service Manual

5045-001

Fuser

FRU
1 Fuser roller
Drive unit
2 Fuser rollers
3 Fuser entrance
guide
4 Nip width
5 Cleaning belt
6 Fuser
separation
guide
7 Delivery paper
sensor lever
8 Delivery paper
sensor (PS9)
9 Oil applying unit
Delivery drive
unit
2-42
Action
Do the fuser rollers rotate smoothly? Check
the fuser roller drive unit.
Is the fuser upper roller or the fuser lower
roller deformed or flawed? If yes, replace
them.
Is the entrance guide soiled? Is there a guide
protrusion due to a flaw or toner adhesion?
Clean the entrance guide.
Is the fuser roller engagement correct?
Replace the fuser unit.
Is the cleaning belt being wound correctly?
Check the fuser cleaner unit.
Is the fuser separation guide soiled? Or is
there a protrusion due to a flaw or toner
adhesion? Clean the guide.
Does the delivery paper sensor lever move
smoothly? Adjust it so that it moves smoothly.
Does the delivery paper sensor operate
correctly? Replace the sensor.
Is the fuser delivery roller rotating smoothly?
Is the face-down delivery roller rotating
smoothly? If yes, check the operation of the
oil applying unit. If no, check the delivery drive
unit, and replace the damaged part.