2WA/2NJ/2RK
7-584
(12)Abnormal sound from inside the machine
Open and close operation failure of the toner supply opening of the toner container, the lack of toner amount,
or the toner condensation
(13)Abnormal sound from inside the machine
Smudges / foreign objects adhesion or the toner condensation in the developer section
(14)Abnormal sound from inside the machine
Frictional wear, smudges / foreign objects adhesion, or the waste toner clogging in the drum section
2 Cleaning and applying the
grease
The shaft is dirty or foreign
objects are on it.
Clean the fuser eject roller
and the shaft and apply lubri-
cant to them.
3 Cleaning and applying the
grease
The gear is dirty or foreign
objects are on it.
Clean the fuser drive gear
and apply the grease to it.
4 Applying the grease The grease is not enough. Apply the grease to the pres-
sure release cam and the
frame.
5 Replacing the fuser unit The fuser front guide is
bent and it contacts the
press roller.
Replace the fuser unit. Detaching
and Reat-
taching the
fuser unit
Step Check description Assumed cause Measures Reference
1 Checking the toner con-
tainer
The torque increases due
to the toner condensation.
Shake the toner container
enough and reinstall it. Or,
replace it.
?
Step Check description Assumed cause Measures Reference
1 Checking the developer
unit
The shaft or the bushing of
the developer roller is dirty
or foreign objects are on
them.
Check if the developer roller
rotates. If not rotating
smoothly, clean the shaft or
the bushing of the developer
roller.
2 Checking the developer
unit
The torque inside the
developer unit increased
due to the toner condensa-
tion, etc.
Clean the developer unit.
Then, replace it if the issue is
not resolved.
Detaching
and Reat-
taching the
developer
unit
Step Check description Assumed cause Measures Reference
1 Executing Drum refresh Toner is not enough on the
drum.
Execute the drum refresh to
supply the toner to the clean-
ing unit.
?
Step Check description Assumed cause Measures Reference