Service manual
SERVICE
3-17
3 DIS./ASSEMBLY3 SERVICE
2. EDH
3
Periodic check (II)
(Every 1,000,000 cop-
ies)
Paper feed oscillate roller assembly
(Tray 1 to 3)
4024-2056-xx* 3 800,000 29,34,39
Paper feed rubber (by-pass feed)
4024-1029-xx* 1 140,000 49
Fixing lamp/1
4024-2085-xx* 1 1,000,000
Fixing lamp/2
4024-2088-xx* 1 1,000,000
Decurler Decurler roller
4024-2713-xx* 1 1,000,000
ADU conveyance bearing
4024-2374-xx* 2 1,000,000
Bearing/1
4024-2188-xx* 2 1,000,000
Fixing drive gear
4024-2360-xx* 1 1,000,000
4
Periodic check (III)
(Every 2,000,000 cop-
ies)
Drum separation claw solenoid
4024-1035-xx* 1 2,000,000 103
Vertical conveyance clutch/1,2
4024-1028-xx* 2 2,000,000 61,62
2nd paper feed clutch
4024-1028-xx* 1 2,000,000 64
Transfer/separation corona unit
4024-1018-xx* 1 2,000,000 20
5
Periodic check (IV)
(Every 2,500,000 cop-
ies)
Toner control board unit
4024-1017-xx* 1 2,500,000 19
Charging unit (including PCL)
4024-1022-xx* 1 2,500,000 25
TSL
4024-2093-xx* 1 2,500,000
Drum drive bearing
4024-2190-xx* 2 2,500,000
Registration roller /U
4024-2627-xx* 1 2,500,000
Developing unit
4024-1024-xx* 1 2,500,000 27
Upper roller error detection sensor
4024-1021-xx* 1 2,500,000 23
Registration bearing /L
4024-2410-xx* 2 2,500,000
Registration bearing /U
4024-2411-xx* 2 2,500,000
ADU registration roller /U
4024-2671-xx* 1 2,500,000
ADU registration roller /L
4024-2672-xx* 1 2,500,000
TSL cover assembly
4024-2622-xx* 1 2,500,000 28
6
Periodic check (V)
(Every 4,000,000 cop-
ies)
Paper feed clutch (Tray 1 to 3)
4024-1028-xx* 3 2,000,000 31,36,41
Conveyance clutch (Tray 1 to 3)
4024-1028-xx* 3 2,000,000 32,37,42
No
Classification Parts name Parts No. Qty Total count
Actual count Parts count No.
No
Classification Parts name Parts No. Qty Total count
Actual count Parts count No.
1
Periodic replacement (I) Feed roller rubber
4594-1009-xx* 1 200,000 92
(Every 500,000 copies) Paper feed roller
4594-1010-xx* 1 200,000 93
Double feed prevention roller rub-
ber
4594-1011-xx* 1 200,000 94
2
Periodic replacement
(II)
(Every 1,500,000 cop-
ies)
Double feed prevention roller
4594-1012-xx* 1 600,000 95