Kyocera TASKalfa 4012i

(1) Abnormal Noise (Basic action)

Step	Description	Assumed cause	Measures
1	Applying the grease	The grease on each gear or bushing is not enough.	Check the rotation of the roller, the pulley or the gear, if they do not rotate smoothly, apply the grease on the gears or the bearings. (EM-50LP, Part number: 7BG010009H)
2	Reattaching the gears or the bearings	The parts such as each gear or bushing are not properly attached.	Reattach the gear or the bearings.

(2) Abnormal sounds from the paper conveying section

Frictional wear, smudges / foreign substances adhesion on the conveying rollers, pulleys and the gears

Step	Description	Assumed cause	Measures
1	Cleaning and applying the grease	The bushing or the gear is dirty or foreign objects are on them.	Clean the bearings and the gears of the conveying related rollers, and apply the grease (EM-50LP, Part number: 7BG010009H).
2	Cleaning and applying the grease	The inside of the pulley is worn down.	Clean the drive shaft of the conveying related pulley and apply the Hanarl. (302LV94550)
3	Cleaning and applying the grease	The gear tooth are dirty or foreign objects are on them.	Clean the drive gears of the conveying related rollers, and apply the grease (EM- 50LP, Part number: 7BG010009H).
4	Checking the pressure spring	Pressure of the conveying related roller and pulley are weak, and the bearing vibrates as the roller and pulley rotate	Reattach the pressure springs of the conveying related rollers or the pulleys, or replace them.
5	Replacing the drive unit	The parts in the drive unit are faulty.	Replace the drive unit.

(3) Abnormal sound from the developer section

Step	Description	Assumed cause	Measures
1	Executing U030	(Specify the source of abnormal noise is the developer unit.)	Confirm the abnormal noise arises from the developer unit by executing U030 [DLP]. Then, go to the next step.
2	Checking the developer unit	The developer unit drive is faulty.	Check if the developer is not leaking from the developer unit, there is no damaged location, and whether the roller rotates manually. Repair if necessary.
3	Replacing the developer unit	The developer unit is faulty.	Replace the developer unit.

(4) Abnormal sound from the document processor

The frictional wear, affixing the smudges or the foreign substances, improperly attaching of the part

Step	Description	Assumed cause	Measures
1	Cleaning and applying the grease	The bushing or the gear is dirty or foreign objects are on them.	Clean the bushing and shaft of the DP conveying roller and apply grease (EM- 50LP• • • part no.: 7BG010009H)
2	Replacing the bushing	The bushing is worn down.	Replace the bearing of the DP conveying roller.
3	Cleaning and applying the grease	The drive gear is dirty or foreign objects are on it.	Clean the gears which transmit the drive to the DP conveying roller, and apply the grease (EM-50LP, Part number: 7BG010009H).
4	Reattaching the motor	The motor does not engage with the drive gear.	Reattach the DP conveying related motors.