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SERVICE
[2] Maintenance Items
1. Main body (Every 250,000 copies)
NO Classification
1 Preparation
(1) Image check
2 Drum unit
(1) Charging control plate
(2) Charging wire
(3) Charging corona unit (back plate
and peripheral section, PCL)
(4) Charger cleaning base
(5) Charger slide block
(6) Charger cleaning block /U
(7) Resin ring (φ 2)
(8) Charger cleaning block /L
(9) Drum cartridge, bottom plate of
the developing unit, toner control
sensor, separation claw
(10) Toner collection screw A
(11) Toner guide roller
(12) Cleaning blade (36 mode blade
setting mode)
3 Developing
(1) Developing bias armature
unit
(2) Developer (25 mode counter
resetting)
(3) Developing unit
4 Transfer / sepa-
(1) Transfer separation corona unit
ration corona
(front and rear block), guide rail,
separation bridge, entrance
guide plate, lightning protection
sheet, back plate
(2) Discharge wire
(3) Transfer cleaning assembly
(4) Separation cleaning assembly
(5) Resin ring (φ2)
(6) Transfer presser rubber
5 Toner supply
(1) Cartridge holder member
*1
After replacing the toner guide roller, be sure to apply an electricity lubricant on the edge of the guide roller
shaft (on power supply pin side).
Number
Service item
of parts
replaced
4024-1006-xx
4024-1020-xx
4024-2486-xx
4024-2485-xx
4024-1007-xx
4014-1750-xx
4024-1008-xx
*1
4024-1005-xx
4024-1004-xx
4024-1010-xx
4024-1011-xx
4024-1019-xx
4014-1750-xx
4024-3053-xx
3-2
Implementation classification
Clea-
Inspe-
Lubric-
ning
ction
ation
!
1
1
!
1
1
1
1
1
!
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1
1
!
1
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3
1
1
2
3
!
Note
Replace-
ment
!
!
!
!
!
!
!
Electricity libri-
!
cant
!
!
!
!
!
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