2RV/2RW/2RX/2RY/3RA-3
7-110
7-6 Abnormal Noise
Content of Abnormal Noise
(1) Abnormal sound (basic treatment)
No. Contents Condition
(1) Abnormal sound (basic treatment)
(2) Abnormal sounds from the paper conveying
section
The conveying rollers, pulleys and gears are
worn down, dirty or foreign objects adhere to
them
(3) Abnormal sound from the developer section Caused by the developer unit.
(4) Abnormal sound from the document processor The DP conveying section is worn down, dirty,
not attached properly or foreign objects adhere
to it
(5) Abnormal sound from the exit section The exit section is dirty or foreign objects adhere
to it
(6) Abnormal sound from the primary paper feed
section
The primary feed section is worn down, dirty, not
attached properly or foreign objects adhere to it
(7) Abnormal sound from the machine front side The MP feed section is worn down, dirty, not
attached properly or foreign objects adhere to it
(8) Abnormal sound from the lower side than the
fuser exit section
Friction sound between the lower exit roller
bushing and stop ring due to adhesion of dirt
and foreign objects
(9) Abnormal sound from the upper side of the fuser
exit section
Friction sound between the lower exit pulley and
shaft due to adhesion of dirt and foreign objects
(10) Abnormal sound from the fuser section Dirt at the fuser section, foreign object adhesion,
contact of parts
(11) Abnormal sound from inside the machine Toner shutter open/close failure of the toner con-
tainer, toner quantity lack, or toner aggregation
(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
(14) The driving sound is noisy during printing
(15) The rotation sound of the fan is noisy
Step Check description Assumed cause Measures Reference
1 Applying the grease Grease to each gear and
bushing is not enough.
Check the rotation of the
roller, pulley and gear. If not
rotating smoothly, apply
grease to them.
2 Checking the gear and the
bushing
The parts such as each
gear or bushing are not
properly attached.
Reattach the gear or bushing,
and apply grease.