2RV/2RW/2RX/2RY/3RA-3
7-114
(12)Abnormal sound from inside the machine
Dirt at the developer section, Foreign object adhesion or toner aggregation
(13)Abnormal sound from inside the machine
Worn, dirt, foreign object adhesion or waste toner clogging at the drum section
2 Checking the toner
remaining amount
The agitating paddle in the
toner container is warped
or toner amount is low.
Check the toner remaining
amount and replace the toner
container if necessary.
3 Reinstalling / replacing the
toner container
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 toner supply
opening
The spring for opening and
closing of the toner supply
opening is hooked with the
other parts, or deformed.
Open and close the toner
supply opening manually to
fix the operation.
2 Cleaning 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.
3 Replacing the developer
unit
The torque inside the
developer unit increased
due to the toner condensa-
tion, etc.
Replace the developer unit.
Step Check description Assumed cause Measures Reference
1 Executing Drum refresh Toner is not enough on the
drum.
Execute Drum refresh.
2 Checking the drum unit
and the developer unit
The drum screw does not
properly rotate.
Check if the drum screw
rotates manually. Clean it if
not smoothly rotated. If it is
locked, replace the drum unit.
3 Cleaning and applying the
grease
Foreign objects adhere to
the drum drive gear cogs
or grease is in shortage.
Clean the tooth of the drum
drive gear and apply the
grease to them.
4 Replacing the drum unit The torque inside the drum
unit increased due to the
waste toner clogging, etc.
Replace the drum unit.
Step Check description Assumed cause Measures Reference
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