Oki ML520 & ML521 Parts

 
 
 


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1 53066902 1PP4094-6501P2 Cover: Upper (Narrow)

1 53067002 1PP4094-7201P2 Cover: Upper (Wide)

2
ML520
2

ML521
3



(Narrow)




(Wide)
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1 53562601 PP4094-6507P3 Knob: Platen (ML500 Series)

2 53067301 2PP4094-6506P1 Cover: (B) for Card Slot

3



4 56301702 540A2036M1202 Fuse: 2A 125V (GG52)

5



6

7



ML520
7



ML521
8



9



10



11 50707501 4PP4025-3621P1 Clamp: Cord

12 56306201 540A2062T2102 Fuse: 1A 250V (Filter Brd 220V) Option

13


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1



(Narrow)
1



(Wide)
2 50804601 3PP4025-3315P1 Lever: Bottom Paper End

3 50804701 3PP4025-3322P1 Lever: Bottom Sensor

4 50804801 3PP4025-3321P1 Lever: Rear Sensor

5 50804902 4PP4025-3323P2 Lever: Sensor (Cut Sheet/Continuous )

6 56627201 3PB4025-3356P1 Cord: Connection Line Feed

7



8 51228601 3PB4055-2893P1 Gear: Line Feed Idle

9 51010301 3PA4025-3387G1 Plate: Left Ground

10

(Narrow)
10

(Wide)
11 53067701 3PP4025-3380P1 Cam: Adjust

12 53563301 3PP4025-3376P1 Rack: Space (Narrow)

12 53563401 3PP4025-3522P1 Rack: Space (Wide)

13 50923501 4PB4025-3377P1 Spring: Tension (Space Rack)

14 51009701 4PP4025-3378P1 Guide: Rail Ground Clip

15 51009801 3PP4025-3379P1 Guide: Rail (Narrow)

15

(Wide)
16 53563501 4PP4025-3381P1 Shaft: Carriage (Narrow)

16 53563502 4PP4025-3381P2 Shaft: Carriage (Wide)

17 53067601 4PA4025-3382G1 Protector: Support (Assembly)

18 50923601 4PB4025-3385P1 Spring: Support Protect Reset
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1



(Narrow)
1



(Wide)
2

3

4 50805301 3PP4025-3352P1 Cam: Release

5 51228201 4PP4025-3353P1 Gear: Idle

6 50805101 2PP4025-3354P1 Lever: Change

7 50923201 3PP4025-3355P1 Spring: Reset

8 51010201 3PP4025-3386P1 Plate: Right Ground

9



(Narrow)
9



(Wide)
10



(N)
10



(W)
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1



(Narrow)
1



(Wide)
2 50922901 4PP4025-3316P1 Spring: Front Pressure (Narrow)

3 50922801 4PP4025-3324P1 Spring: Front Pressure (Wide)

4 53341101 4PP4025-3317P1 Holder: Front Roller

5 53341202 4PP4025-3327G1 Roller: Front Pressure

6 51227801 3PP4025-3318P1 Shaft: Front Release Gear (Narrow)

6 51227901 3PP4025-3505P1 Shaft: Front Release Gear (Wide)

7 50097301 Pan: Paper (Narrow)

7 50097401 1PP4025-3506P2 Pan: Paper (Wide)

8



(Narrow)
8



(Wide)
9 50805201 4PP4025-3351P1 Lever: Switch (Cut Sheet/Continuous )

10 51228301 4PP4025-3350P1 Arm: Front Release Gear

11 50924701 4PP4025-3386P1 Spring: Lock

12 50097701 3PA4025-3360G2 Paper Chute Assembly (Narrow)

12 50097801 3PA4025-3515G2 Paper Chute Assembly (Wide)

13 53341301 3PB4025-3364P1 Roller: Pressure Rear (Narrow)

13 53341401 3PB4025-3517P1 Roller: Pressure Rear (Wide)

14



(Narrow)
14



(Wide)
https://www.argecy.com/images/OKi_20_521_Parts-254_cr.jpg
1 50707401 3PP4025-3431P1 Clamp: Head

2





3




56729601 224A1285P0400 Connector: PC HD40

5 53343001 4PP4025-3433P1 Holder: Connector (L)

6 53343101 4PP4025-3434P1 Holder Connector (R)

7



8 53343301 4PA4025-3719G1 Guide: Roller Assembly Inc.

9 10 11 9 53341901 4PP4025-3398P1 Roller: Guide

10 53342001 3PP4025-3399P1 Holder: Guide Roller

11 Pin

12 4PP4025-3401P1 Guide Roller Spring

13 56627301 2PU4007-1193P1 Cable: Carriage (Narrow)

13



(Wide)
14 53343201 4PA4025-3718G1 Assembly: Roller/Holder Backup Inc. 15 16 17

15 53341701 4PP4025-3392P1 Roller: Back Up

16 53341801 3PP4025-3393P1 Holder: Back Up Roller

17 Pin

18 50925001 3PP4025-3397P1 Holder: Backup Roller Spring

19


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1

Option 520
1

Option 521
2 70023001 Kit: Pull Tractor Narrow Option 520

2

Option 521
3

Option 520
3

Option 521
4

Option 520
5



6



7 56412501 4YB4049-7031P1 Transformer 230-240V (ML520) Option

7 56412502 4YB4049-7031P2 Transformer 230-240V (ML521) Option

8 56624101 3YS4011-1265P1 Cord: AC (220V) ML Series Right Angle Option

8 56624401 3YS4011-1268P1 Cord: AC 240V Option

9



10 56306001 4YB4021-1146P1 Fuse: 3.15A for 230/240V Power Supply Option

11



11




12 56306201 540A2062T2102 Fuse: 1A 250V (Filter Brd 220V) Option
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1

2

3

(N)
3



(W)
4



5



6

6



(W)
7 51010001 1PP4053-2570P1 Guide: Front Sheet (N) Cut-Sheet Feeder Option

7 51010101 1PP4053-2571P2 Guide: Front Sheet (W) Cut-Sheet Feeder Option

8 53067401 1PP4053-2574P1 Cover: Side (Left) Cut-Sheet Feeder Option

8 53067501 1PP4053-2575P1 Cover: Side (Right) Cut-Sheet Feeder Option

9

(W)
9

(N)
10 53563001 4PP4053-2547G1 Shoe: Brake Cut-Sheet Feeder Option

11



12



13



14

15

16 53321501 3PB4025-1941P1 Support: Rear Sheet CSF Option

17 53448501 4PB4025-1914P1 Sheet: Friction CSF Option