Page 1
B.2.02 Upper Cover Assembly
B.2.02 Upper Cover Assembly
Item Okidata P/N Oki-J
P/N
1 53066901
1PP4094-6501P1
1 53067001
1PP4094-7201P1
2 51009401 N/A Guide: Sheet
2 51009501 N/A Guide: Sheet (Wide) RSPL 591 3.2.06
ML590/591 ( 96-02-07 )
Description Comments Refer
to B.1.02
Cover: Upper
(Narrow)
Cover: Upper (Wide) RSPL 591 3.2.06
(Narrow)
RSPL 590 3.2.06
RSPL 590 3.2.06
Disassembly
Procedure
Page 2
3 53067101
2PA4094-7381G1
Cover: Access
(Narrow)
RSPL 590 3.2.06
3 53067201
2PA4094-7382G1
Cover: Access (Wide) RSPL 591 3.2.06
ML590/591 ( 96-02-07 )
Page 3
B.2.03 Printer General Assembly
B.2.03 Printer General Assembly
Item Okidata P/N Oki-J
P/N
1 53562601
2PP4094-6507P3
2 53067301
2PP4094-6506P2
3 55937401
4YA4042-1514G301
4 * 55938301 N/A IC: EEPROM
ML590/591 ( 96-02-07 )
Description Comments Refer
Knob: Platen (ML 500
Series)
Cover: (B) for card
slot
PCB: AKGI (w/o
ROM)
BR93LC46A
Disassembly
to B.1.02
RSPL Both 3.2.06
RSPL Both 3.2.06
RSPL Both 3.2.07
RSPL Both 3.2.07
Procedure
Page 4
5 55937501
4YA4042-1516G1
PCB: LEOP
(Operator. Panel)
RSPL Both 3.2.09
6 53562701
3PP4025-3670G1
7 56412101
4YB4049-1707P1
7 56412102 N/A Power Supply 120V RSPL 591 3.2.08
7 56412201
4YB4049-1708P1
7 56412202
4YB4049-1708P2
8 56609701
3YS4011-1315P1
9 56624101
3YS4011-1265P1
10 56624401
3YS4011-1268P1
Panel: Operator RSPL Both 3.2.09
Power Supply 120V RSPL 590 3.2.08
Power Supply
230-240V
Power Supply
230-240V
Cord: AC RSPL Both 3.2.01
Cord: AC (220V)
(ML) Right Ang
Cord: AC 240V Option RSPL Both 3.2.01
Option RSPL 590 3.2.08
Option RSPL 591 3.2.08
Option RSPL Both 3.2.01
11 50217201
4YA4023-2601G1
12 50707501
4PP4025-3621P1
13 56305901
540A2036M1502
13 56306001
4YB4021-1146P1
14 56302901
540A2036M1252
Assembly: Printhead RSPL Both 3.2.02
Clamp: Cord RSPL Both 3.2.08
Fuse: (GGS 5) 120V RSPL Both 3.2.08
Fuse: 3.15 A (for
230/240V)
Fuse: 2.5A 120V RSPL Both 3.2.08
Option RSPL Both 3.2.08
ML590/591 ( 96-02-07 )
Page 5
B.2.04 Printer Unit (1 of 3)
B.2.04 Printer Unit (1 of 3)
Item Okidata P/N Oki-J
P/N
1 53563101
3PA4025-3720G1
1 53563201
3PA4025-3721G1
2 50804601
3PP4025-3315P1
3 50804701
3PP4025-3322P1
4 50804801
3PP4025-3321P1
5 50804902
4PP4025-3323P2
Description Comments Refer
to B.1.02
Frame: Main (Narrow) RSPL 590 3.2.30
Frame: Main (Wide) RSPL 591 3.2.30
Lever: Bottom Paper
End
Lever: Bottom Sensor RSPL Both 3.2.27
Lever: Rear Sensor RSPL Both 3.2.18
Lever: Sensor Cut
Sheet/Continuous
RSPL Both 3.2.27
RSPL Both 3.2.18
Disassembly
Procedure
6 56627201
3PB4025-3356P1
7 56510301 N/A Motor: Line Feed
ML590/591 ( 96-02-07 )
Cord: Connection
Line Feed
(Assembly)
RSPL Both 3.2.21
RSPL Both 3.2.21
Page 6
8 51228401
3PB4055-2887P1
Gear: Line Feed Idle RSPL Both 3.2.21
9 51010301
3PA4025-3387G1
10 50923001
3PP4025-3320P1
10 50923101
3PP4025-3507P1
11 53067701
3PP4025-3380P1
12 53563301
3PP4025-3376P1
12 53563401
3PP4025-3522P1
13 50923501
4PB4025-3377P1
Plate: Left Ground RSPL Both 3.2.16
Spring: Leaf (Narrow) RSPL 590 3.2.26
Spring: Leaf (Wide) RSPL 591 3.2.26
Cam: Adjust RSPL Both 3.2.15
Rack: Space (Narrow) RSPL 590 3.2.13
Rack: Space (Wide) RSPL 591 3.2.13
Spring: Tension
(Space Rack)
RSPL Both 3.2.13
14 51009701
4PP4025-3378P1
15 51009801
3PP4025-3379P1
15 51009901
3PP4025-3523P1
16 53563501
4PP4025-3381P1
16 53563502
4PP4025-3381P2
17 53067601
4PA4025-3382G1
18 50923601
4PB4025-3385P1
Guide: Rail Ground
Clip
Guide: Rail (Narrow) RSPL 590 3.2.15
Guide: Rail (Wide) RSPL 591 3.2.15
Shaft: Carriage
(Narrow)
Shaft: Carriage
(Wide)
Protector: Support
(Assembly)
Spring: Support
Protect Reset
RSPL Both 3.2.15
RSPL 590 3.2.25
RSPL 591 3.2.25
RSPL Both 3.2.25
RSPL Both 3.2.25
ML590/591 ( 96-02-07 )
Page 7
B.2.05 Printer Unit (2 of 3)
B.2.05 Printer Unit (2 of 3)
Item Okidata P/N Oki-J
P/N
1 53563101
3PA4025-3720G1
1 53563201
3PA4025-3721G1
2 51228001
4PP4025-3340P1
3 51228101
3PP4025-3341P1
4 50805301
3PP4025-3352P1
5 51228201
4PP4025-3353P1
Description Comments Refer
to B.1.02
Frame: Main
(Narrow)
Frame: Main (Wide) RSPL 591 3.2.30
Gear: Change RSPL Both 3.2.29
Gear: Tractor RSPL Both 3.2.29
Cam: Release RSPL Both 3.2.24
Gear: Idle RSPL Both 3.2.23
RSPL 590 3.2.30
Disassembly
Procedure
ML590/591 ( 96-02-07 )
Page 8
6 50805101
2PP4025-3354P3
Lever: Change RSPL Both 3.2.23
7 50923201
3PP4025-3355P1
8 51010201
3PP4025-3386P1
9 50098301
3PA4025-3370G1
9 50098302 N/A Platen Assembly
10 53341501
3PA4025-3440G2
10 53341601
3PA4025-3530G2
Spring: Reset RSPL Both 3.2.22
Plate: Right Ground RSPL Both 3.2.17
Platen Assembly
(Narrow)
(Wide)
Roller: Pull Up
Assembly (Narrow)
Roller: Pull Up
Assembly (Wide)
RSPL 590 3.2.19
RSPL 591 3.2.19
RSPL 590 3.2.05
RSPL 591 3.2.05
ML590/591 ( 96-02-07 )
Page 9
B.2.06 Printer Unit (3 of 3)
B.2.06 Printer Unit (3 of 3)
Item Okidata P/N Oki-J
P/N
1 53563101
3PA4025-3720G1
1 53563201
3PA4025-3721G1
2 50922901
4PP4025-3316P1
3 50922801
4PP4025-3324P1
4 53341101
4PP4025-3317P1
Description Comments Refer
to B.1.02
Frame: Main (Narrow) RSPL 590 3.2.30
Frame: Main (Wide) RSPL 591 3.2.30
Spring: Front
Pressure (Narrow)
Spring: Front
Pressure (Wide)
Holder: Front Roller RSPL Both 3.2.28
RSPL 590 3.2.28
RSPL 591 3.2.28
Disassembly
Procedure
ML590/591 ( 96-02-07 )
Page 10
5 53341202
4PP4025-3327G1
Roller: Front Pressure RSPL Both 3.2.28
6 51227801
3PP4025-3318P1
6 51227901
3PP4025-3505P1
Shaft: Front Release
Gear (Narrow)
Shaft: Front Release
Gear (Wide)
RSPL 590 3.2.27
RSPL 591 3.2.27
7 50097301 N/A Pan: Paper (Narrow) RSPL 590 3.2.27
7 50097401
Pan: Paper (Wide) RSPL 591 3.2.27
1PP4025-3506P2
8 50923301
3PP4025-3346G1
8 50923401
3PP4025-3511G1
9 50805201
4PP4025-3351P1
10 51228301
4PP4025-3350P1
Spring: Pressure
(Narrow)
Spring: Pressure
(Wide)
Lever: Switch (Cut
Sheet/Continuous)
Arm: Front Release
Gear
RSPL 590 3.2.24
RSPL 591 3.2.24
RSPL Both 3.2.24
RSPL Both 3.2.24
11 50924701
4PP4025-3365P1
12 50097701
3PA4025-3360G2
12 50097801
3PA4025-3515G2
13 53341301
3PB4025-3364P1
13 53341401
3PB4025-3517P1
14 50097501
3PA4025-3330G1
14 50097502
3PA4025-3330G2
Spring: Lock RSPL Both 3.2.20
Paper Chute
RSPL 590 3.2.20
Assembly (Narrow)
Paper Chute
RSPL 591 3.2.20
Assembly (Wide)
Roller: Pressure Rear
RSPL 590 3.2.20
(Narrow)
Roller: Pressure Rear
RSPL 591 3.2.20
(Wide)
Tractor: Assembly
RSPL 590 3.2.29
(Narrow)
Tractor: Assembly
RSPL 591 3.2.29
(Wide)
ML590/591 ( 96-02-07 )
Page 11
B.2.07 Carriage Assembly
B.2.07 Carriage Assembly
Item Okidata P/N Oki-J
P/N
1 50707401
3PP4025-3431P1
2 53562801
3PP4025-3430P1
3 51228501
3PA4025-3406G1
4 56729601
224A1285P0400
ML590/591 ( 96-02-07 )
Description Comments Refer
to B.1.02
Clamp: Head RSPL Both 3.2.03
Protector: Ribbon RSPL Both 3.2.03
Gear: Case
(Assembly)
Connector: PC
HD40
RSPL Both 3.2.04
RSPL Both 3.2.10
Disassembly
Procedure
Page 12
5 53343001
4PP4025-3433P1
Holder: Connector
(L)
RSPL Both 3.2.11
6 53343101
4PP4025-3434P1
7 56510401
4YA4025-3250G1
8 53343301
4PA4025-3719G1
9 53341901
4PP4025-3398P1
10 53342001
3PP4025-3399P1
11 N/A N/A Pin Both 3.2.11
12 N/A
4PP4025-3401P1
13 56627301
2PU4007-1193P1
Holder: Connector
(R)
Motor: Space
(Assembly)
Guide: Roller
Assembly
Roller: Guide RSPL Both 3.2.11
Holder: Guide Roller RSPL Both 3.2.11
Guide Roller Spring Both 3.2.11
Cable: Carriage
(Narrow)
RSPL Both 3.2.11
RSPL Both 3.2.11
Both 3.2.11
RSPL 590 3.2.12
13 56627302 N/A Cable: Carriage
(Wide)
14 53343201
4PA4025-3718G1
15 53341701
4PP4025-3392P1
16 53341801
3PP4025-3393P1
17 N/A N/A Pin Both 3.2.14
18 N/A
4PP4025-3397P1
19 50098901
4PP4025-3394G1
Assembly:
Roller/Holder
Backup
Roller: Back Up RSPL Both 3.2.14
Holder: Back Up
Roller
Backup Roller
Holder Spring
Carriage: Frame Set RSPL Both 3.2.25
RSPL 591 3.2.12
Both 3.2.14
RSPL Both 3.2.14
Both 3.2.14
ML590/591 ( 96-02-07 )
Page 13
B.2.08 Options
B.2.08 Options
Item Okidata P/N Oki-J
P/N
1 70022501 N/A Kit: Single Bin CSF
1 70022701 N/A Kit: Single Bin CSF
2 70023001 N/A Kit: Pull Tractor
2 70023201 N/A Kit: Pull Tractor Wide Option 591 N/A
3 70022901 N/A Kit: Push Tractor
ML590/591 ( 96-02-07 )
Description Comments
Refer to B.1.02
Option 590 N/A
Narrow
Option 591 N/A
Wide
Option 590 N/A
Narrow
Option 590 N/A
(Bottom) Narrow
Disassembly
Procedure
Page 14
3 70023101 N/A Kit: Push Tractor
(Bottom) Wide
Option 591 N/A
4 52106003 N/A Color Kit (Incl color
ribbon and ribbon
shift bracket)
5 52106002 N/A Ribbon: Color Consumable
6 51709101
3PA4025-3581G1
7 70023301 N/A Kit: Roll Paper Stand Option 590 N/A
8 70016301 N/A Buffer Expansion
9 70000803 N/A Kit: Parallel Interface
10 70012801 N/A Kit: RS232-C Serial
Bracket: Ribbon Shift
(Color)
Card
Plug'n'Play
Accessory
Interface
Option Both N/A
N/A
Both
Option RSPL
Both
Option Both N/A
Option Both N/A
Option Both N/A
N/A
11 56412201
4YB4049-1708P1
11 56412202
4YB4049-1708P2
12 56624101
3YS4011-1265P1
13 56624401
3YS4011-1268P1
Power Supply
230-240V
Power Supply
230-240V
Cord: AC (220V)
(ML) Right Ang
Cord: AC 240V Option RSPL
Option RSPL
590
Option RSPL
591
Option RSPL
Both
Both
3.2.08
3.2.08
3.2.01
3.2.01
ML590/591 ( 96-02-07 )
Page 15
B.2.09 Option Parts
B.2.09 Option Parts
Item Okidata P/N Oki-J
P/N
1 50097901 N/A Tractor: Pull and
2 50098001
4PA4025-3608G1
3 50098501
2PA4094-6510G3
4 50098502
2PA4094-6510G4
5 50098701
4PP4094-7385G1
5 50098801
4PP4094-7386G1
Description Comments Refer
Bottom Assembly
(Right)
Tractor: Pull and
Bottom Assembly
(Left)
Stand: Bottom Push
(Right)
Stand: Bottom Push
(Left)
Knife: Paper (N)
Bottom Push Tractor
Knife: Paper (W)
Bottom Push Tractor
Disassembly
to B.1.02
Option RSPL Both N/A
Option RSPL Both N/A
Option RSPL Both N/A
Option RSPL Both N/A
Option RSPL 590 N/A
Option RSPL 591 N/A
Procedure
6 50098101
2PP4094-7383G1
6 50098201
2PP4094-7384G1
7 53067401
1PP4053-2574P1
8 53067501
1PP4053-2575P1
9 53563001
4PP4053-2547G1
10 55937301
4YA4050-3026G1
Tractor: Cover
Assembly (N) Pull
Tractor
Tractor: Cover
Assembly (W) Pull
Tractor
Cover: Side (Left)
Cut-Sheet Feeder
Cover: Side (Right)
Cut-Sheet Feeder
Shoe: Brake
Cut-Sheet Feeder
PCB: NCSF
Cut-Sheet Feeder
Option RSPL 590 N/A
Option RSPL 591 N/A
Option RSPL Both N/A
Option RSPL Both N/A
Option RSPL Both N/A
Option RSPL Both N/A
ML590/591 ( 96-02-07 )
Page 16
11 56627501
3YS4011-5120G1
Cable: CSF
Cut-Sheet Feeder
Option RSPL Both N/A
12 51010001
1PP4053-2570P2
12 51010101
1PP4053-2571P2
13 56510501
3PB4053-2560P1
14 53562901
1PP4053-2576P1
14 53480901
1PP4043-1891P4
15 50062801
4PB4053-1705G1
16 50062802
4PB4053-1705G2
Guide: Front Sheet
(N) Cut-Sheet Feeder
Guide: Front Sheet
(W) Cut-Sheet
Feeder
Motor Pulse
Cut-Sheet Feeder
Supporter: Front
Sheet (N) Cut-Sheet
Feeder
Supporter: Front
Sheet (W) Cut-Sheet
Feeder
Roller: Hopping (L.H.)
Cut-Sheet Feeder
Roller: Hopping
(R.H.) Cut-Sheet
Feeder
Option RSPL 590 N/A
Option RSPL 591 N/A
Option RSPL Both N/A
Option RSPL 590 N/A
Option RSPL 591 N/A
Option RSPL Both N/A
Option RSPL Both N/A
17 53321501
3PB4025-1941P1
18 53448501
4PB4025-1914P1
19 56306001
4YB4021-1146P1
20 55038901
4YA4021-1050G1
Support: Rear Sheet
Cut-Sheet Feeder
Sheet: Friction
Cut-Sheet Feeder
Fuse: 3.15 A for
230/240V Power
Supply
PCB: LXHI
(RS232-C)
Option RSPL Both N/A
Option RSPL Both N/A
Option RSPL Both 3.2.08
Option RSPL Both N/A
ML590/591 ( 96-02-07 )
Loading...