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[10] MAINTENANCE
1. Maintenance table
Unit name
Drum
OPC drum
peripheral
Cleaning blade
Side seal F/R
MC unit
(MC charging electrode)
(MC grid)
(MC case)
Transfer wire
Transfer paper guide
MC guide sheet (Cleaning blade attached)
Drum fixing plate B
Separation pawl
Star ring N2
φ
Star ring
5
Pawl holder
Process frame unit
Discharge holder
Developing
Developer
section
DV seal
Toner temperature sensor
DV side sheet
Optical section Lamp unit
No.2/3 mirror
unit
CCD peripheral
Glass
Other
LSU
Dust-proof glass
Paper feed
Multi paper feed
section
section
Paper transport
PS roller
section
Transport (paper exit) rollers
Spring clutch
Fusing section
Upper heat roller
Pressure roller
Pressure roller bearing
Upper separation pawl
Lower separation pawl
Cleaning pad
Drive section
Gears
Belts
Paper exit
VOC filter
section
*1:Recommendable replacement time:50K(A4/Letter,6%print)
X:Check(Clean, adjust, or replace when required.) O:Clean
Part name
Reflector
Mirror
Mirror
Pulley
Lens
Table glass
White Plate
Drive wire
Rail
Document cover
Take-up roller(manual / SPF)
Paper feed roller
Spring clutch
AR-5520 MAINTENANCE 10-1
When
50K
100K
calling
-
-
X
X
X
X
-
(
)
(
)
-
(
)
(
)
-
(
)
(
)
O
O
O
O
O
O
-
X
X
X
X
X
O
O
O
X
X
X
X
X
X
X
X
X
X
O
O
O
-
O
O
-
O
O
-
X
X
-
O
O
O
O
O
O
O
O
-
X
X
-
X
X
O
O
O
O
O
O
O
O
O
O
O
O
-
O
O
O
O
O
O
O
O
O
O
O
X
O
O
X
O
O
-
X
X
X
X
X
X
X
X
X
X
X
-
X
X
-
X
X
-
:Replace
:Adjust
150K
Remark
X
(
)
(
)
(
)
O
O
O
X
Check the sensor head surface.
X
O
O
O
X
O
O
O
X
X
O
O
O
O
O
O
O
O
O
O
O
X
O
*1
:Lubricate
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