Kyocera TASKalfa 308ci

(13) Abnormal sound from inside of the machine

Smudges / foreign substances adhesion or the toner condensation in the developer section

Step	Description	Assumed cause	Measures
1	Checking the developer unit	The shaft or the bushing of the developer roller is dirty or foreign substances 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 condensation, etc	Clean the developer unit. If not resolved, replace it

(14) Abnormal sound from inside of the machine

Frictional wear, smudges / foreign substances adhesion, or the waste toner clogging in the drum section

Step	Description	Assumed cause	Measures
1	Executing Drum refresh	Toner is not enough on the drum	Execute the drum refresh to supply the toner to the cleaning unit
2	Checking the drum screw	The drum screw does not properly rotate	Check if the drum cleaning screw rotates. If not rotating smoothly, clean it. it locks up, replace the drum unit
3	Cleaning and applying the grease	Foreign substances are on the tooth of the drum drive gear, or the grease is not enough	Clean the tooth of the drum drive gear and apply the grease on them (Name: EM-50LP, Part#: 7BG010009H)
4	Replacing the drum unit	The torque inside the drum unit increased due to the waste toner clogging, etc.	Replace the drum unit

(15) Abnormal sound from inside the machine (jumping sounds)

Opening/closing operation failure, dirtiness, smudges / foreign substances adhesion of the waste toner vent of the primary transfer section

Step	Description	Assumed cause	Measures
1	Checking the shutter of the toner waste vent	The shutter of the waste toner vent is not properly opened and closed	Check the opening and closing operation of the shutter of the toner waste vent in the transfer cleaning unit, and fix the parts if necessary
2	Checking the cleaning screw	The cleaning screw does not properly rotate	Check if the cleaning screw in the transfer cleaning unit rotates smoothly, and clean it if not rotating smoothly
3	Cleaning and applying the grease	The drive gear or the bushing is dirty, or foreign objects are on them	Clean the parts in the primary transfer unit such as the drive gear and the bushing, and apply the grease on them (Name: EM-50LP, Part#: 7BG010009H). (Apply Hanarl on the conductive bushing)
4	Replacing the primary transfer unit	The primary transfer unit is faulty	Replace the primary transfer unit

(16) The driving sound is noisy during printing

Step	Description	Assumed cause	Measures
1	Changing the settings	The Quiet Mode is off	Select [On] at [Adjustment/Maintenance] in the [System Menu] > [Silent mode]

(17) Abnormal sound from rear side of the main unit

Step	Description	Assumed cause	Measures
1	Reattaching the motor in the drive unit	The motor in the drive unit is faulty	Reattach the motor in the drive unit.
2	Reattaching the drive unit	The gears in the drive unit and the neighboring gears are not engaged properly.	Reattach the drive unit