Kyocera TASKalfa 420i Service Manual page 332

2KR/2KS-1
Maintenance
Section
part/location
Optical Laser scanner unit
section
Contact glass
Slit glass
Mirror 1
Mirror 2 and mirror 3
Lens
Reflector
Exposure lamp
Optical rail
Original size sensor
Maintenance
Section
part/location
Transfer/ Transfer roller unit
separation
sections
Maintenance
Section
part/location
Developing Developing unit
section
Maintenance
Section
part/location
Drum Drum unit
section
Main charger unit
Drum separation claw
2-4-4
User call 500K
Check - Clean the shield glass with a dry cloth.
Clean
Clean Clean Clean with alcohol and then a dry cloth.
Clean Clean Clean with a dry cloth or alcohol (do not clean
with a wet cloth).
Clean - Clean with alcohol and then a dry cloth only if
vertical black lines appear on the copy image.
Clean - Clean with alcohol and then a dry cloth only if
vertical black lines appear on the copy image.
Clean - Clean with a dry cloth only if vertical black
lines appear on the copy image.
Clean - Clean with a dry cloth only if vertical black
lines appear on the copy image.
Check - Replace if an image problem occurs.
Replace
Grease - Check noise and shifting and then apply
scanner rail grease EM-50L.
Check - Clean the sensor emitter and sensor receiver
Clean with alcohol or a dry cloth only if there is a
problem.
User call 500K
Clean Replace Clean with a cleaning brush or alcohol.
Replace Replace after feeding 500,000 sheets.
User call 500K
Check Replace Replace after feeding 500,000 sheets.
Replace
User call 500K
Check Replace Replace after feeding 500,000 sheets.
Replace
Clean - Clean with a wet cloth and then a dry cloth.
Check - Replace if the leading edge of the claws are
Replace damaged.
Points and cautions
Points and cautions
Points and cautions
Points and cautions
Page
P.1-5-22
P.1-5-12
Page
P.1-5-29
Page
P.1-5-28
Page
P.1-5-25
P.1-5-26
P.1-5-27