Ricoh FT8780, FT880 PARTS CATALOG ST23
ST23A/B (A354)
PARTS CATALOG
INTRODUCTION
This chapter instructs you the numbers and names of these parts on this machine.
INDEX to PARTS CATALOG
LOCATION OF UNIT .............................................................................. 2
1. DIAGONAL TRANSPORT UNIT 1 (A354) .............................................. 5
2. DIAGONAL TRANSPORT UNIT 2 (A354) .............................................. 7
3. DIAGONAL TRANSPORT UNIT 3 (A354) .............................................. 9
4. DIAGONAL TRANSPORT UNIT 4 (A354) ............................................ 11
5. DISTRIBUTION UNIT 1 (A354)............................................................ 13
6. DISTRIBUTION UNIT 2 (A354)............................................................ 15
7. DISTRIBUTION UNIT 3 (A354)............................................................ 17
8. DISTRIBUTION UNIT 4 (A354)............................................................ 20
9. DISTRIBUTION UNIT 5 (A354)............................................................ 22
10. DISTRIBUTION UNIT 6 (A354).......................................................... 24
11. DISTRIBUTION UNIT 7 (A354).......................................................... 26
12. DISTRIBUTION UNIT 8 (A354).......................................................... 28
13. DISTRIBUTION UNIT 9 (A354).......................................................... 30
14. DISTRIBUTION UNIT 10 (A354) ........................................................ 32
15. RELAY UNIT 1 (A354) ....................................................................... 34
16. RELAY UNIT 2 (A354) ....................................................................... 36
17. MAIN CONTROL BOARD (A354) ...................................................... 38
18. DC HARNESS - DIAGONAL (A354) .................................................. 43
19. LOWER DC HARNESS (A354) .......................................................... 45
20. UPPER DC HARNESS (A354) ........................................................... 47
21. DECAL AND DOCUMENT (A354)...................................................... 49
Parts Index ............................................................................................ 52
1
April 20, '92
LOCATION OF UNIT
2
LOCATION OF UNIT
3
LOCATION OF UNIT
4
1. DIAGONAL TRANSPORT UNIT 1 (A354)
5
1. DIAGONAL TRANSPORT UNIT 1 (A354)
Index
No.
1 A354 3611 Front Diagonal Cover 1
2 A354 3691 Front Spacer - Diagonal 1
3 A354 2022 Guide Plate Magnet 3
4 A354 3209 Entrance Support Plate 1
5 A354 3201 Upper Entrance Guide Plate 1
6 A354 3229 Fence Spring 2
7 A354 3228 Paper Guide - By-pass Tray 2
8 A354 3689 Lower Tray Seal 1
9 A354 3681 Lower Exit Tray 1
10 A354 3631 Rear Auxiliary Cover - Diagonal 1
11 A354 3688 Magnet Plate - Front Door 1
12 A354 3621 Rear Diagonal Cover 1
13 A354 3651 Exit Guide Cover - Diagonal 1
14 A354 1611 Decal - R1 1
15 A354 3661 Front Door 1
16 AG07 0004 Magnetic Catch 1
17 A354 3678 Right Door Hinge 1
18 A354 3376 Diagonal Guide Plate 1
19 A354 3346 Roller Holder - Driven 8
20 A354 3341 Roller - Diagonal Driven 8
21 AA06 3199 Front Spring - Diagonal Driven 3
22 A458 2165 Spring - Driven Roller 4
23 AA08 0109 Bushing - 4 mm 4
24 A354 2191 Transport Roller - Driven 2
25 AA06 0382 Spring - Horizontal Driven 1
26 A354 3356 Pressure Release Shaft 2
27 A354 3351 Pressure Release Bracket 1
28 A354 3360 Pressure Release Solenoid - Ass’y 1
29 AW02 0013 Inlet Sensor 1
30 A354 5340 DC Harness - Pressure Release 1
31 AA06 3232 Spring - Diagonal Driven 1
32 A354 3371 Fulcrum Bracket - Diagonal 2
33 AA06 3200 Rear Spring - Diagonal Driven 4
34 A354 3641 Guide Plate Cover - Diagonal 1
35 A354 3321 Diagonal Guide Plate Ass’y - Driven 1
Q'ty per
Assembly
Index
No.
36 A354 1631 R1 Misfeed Decal 1
37 A354 1636 R2 Misfeed Decal 1
38 A354 3811 Upper Joint Stay - Diagonal 1
39 5403 2075 Stepped Screw 2
40 A354 3816 Lower Joint Stay - Diagonal 1
100 0344 0060F Philips Truss Head Screw - M4x6
101 0433 0064B Pan Head Self-Tapping Screw - M3x6
102 0434 0060B Philips Tapping Screw - M4x6
103 0950 4006B Screw - M4x6
104 0434 0104B Philips Tapping Screw - M4x10
105 0434 0060B Philips Tapping Screw - M4x6
106 0720 0030E Retaining Ring - M3
107 0720 0040E Retaining Ring - M4
108 0951 4006B Philips Screw with Flat Washer - M4x6
109 1106 0193 Bushing - 7.9mm
DescriptionPart No.DescriptionPart No.
Q'ty per
Assembly
6
2. DIAGONAL TRANSPORT UNIT 2 (A354)
7
2. DIAGONAL TRANSPORT UNIT 2 (A354)
Index
No.
1 5875 2088 Shoulder Screw - M4 2
2 A354 3276 Gear - 62Z 2
3 A354 3271 Entrance Shaft 1
4 A354 3141 Middle Stay - Diagonal 1
5 A354 3151 Small Stay - Diagonal 1
6 A354 3261 Idle Gear - 45Z 1
7 AB01 7245 Coupled Gear - 18/78Z 1
8 AW02 0041 Photointerruptor 1
9 5216 5245 Photointerruptor - IL-G-3P-S3T2-E 1
10 A354 3251 Motor Bracket 1
11 AX04 0053 DC Motor - 24V/2.2W 1
12 AB01 7246 Coupled Gear - 20/58Z 1
13 A354 3671 Relay Harness Cover 1
14 A354 3416 Joint Release Lever 1
15 5216 2676 Spring - Engage Gear Bracket 1
16 5413 1882 Stepped Screw 2
17 A354 3141 Middle Stay - Diagonal 1
18 A354 5350 DC Relay Harness 1
19 A354 5220 AC Harness - Diagonal 1
20 A354 3836 Connector Bracket 1
21 A354 3831 Reinforcement Plate - Diagonal 2
Q'ty per
Assembly
Index
No.
100 0701 0040W Flat Washer - M4
101 0805 3386 Bushing - 8mm
102 0950 4006B Screw - M4x6
103 1105 0196 Harness Clamp
104 0434 0060B Philips Tapping Screw - M4x6
105 0805 0088 Retaning Ring - M6
106 0720 0040E Retaining Ring - M4
107 0800 0072 Philips Pan Head Screw - M2.6x4
108 0314 0100B Philips Pan Head Screw - M4x10
109 1106 0241 Bushing - 6.7mm
DescriptionPart No.DescriptionPart No.
Q'ty per
Assembly
8
3. DIAGONAL TRANSPORT UNIT 3 (A354)
9
3. DIAGONAL TRANSPORT UNIT 3 (A354)
Index
No.
1 A354 3337 Stopper Seal - Diagonal 1
2 A354 3331 Stopper - Diagonal 1
3 A354 3411 Exit Guide Plate - Diagonal 1
4 A354 2081 Left Transport Roller - Horizontal 1
5 A354 3111 Front Side Plate - Diagonal 1
6 AB03 0325 Pulley - 20Z 3
7 A354 3531 Flange - 2/22 mm 2
8 AA04 3153 Timing Belt - DS3M660 2
9 AB03 0330 Pulley - 16Z 4
10 A354 3311 Diagonal Guide Plate - Drive 1
11 AX40 0029 Heater - 24V/10W 1
12 A354 3461 Large Transport Roller - Diagonal 1
13 A354 3466 Middle Transport Roller - Diagonal 1
14 A354 3471 Small Transport Roller - Diagonal 1
15 A354 3476 Horizontal Transport Roller-Diagona 1
16 A354 3451 Entrance Transport Roller 1
17 A354 5345 DC Harness - Diagonal 1
18 A354 3121 Rear Side Plate - Diagonal 1
19 AB01 1123 Gear - 24Z 1
20 A354 3511 Adjusting Gear Bracket - Diagonal 1
21 5413 1882 Stepped Screw 1
22 5887 4185 Idler Pulley 2
23 AB01 1122 Gear - 24Z 1
24 AB03 3035 Idle Pulley/Gear - 24/24Z 1
25 A354 2091 Adjusting Pin Bracket - Horizontal 1
26 AB03 0328 Pulley - 30Z 1
27 AA04 3152 Timing Belt - B60S3M1014 1
Q'ty per
Assembly
Index
No.
100 1102 4052 Optional Connector
101 0434 0060B Philips Tapping Screw - M4x6
102 1005 0335 Earth Mark
103 0805 3145 Ball Bearing - 6x12x4mm
104 0632 0120E Spring Pin - 2 x 12mm
105 0720 0040E Retaining Ring - M4
106 0950 4006B Screw - M4x6
107 0720 0060E Retaining Ring - M6
108 0805 3386 Bushing - 8mm
109 1105 0196 Harness Clamp
110 1105 0016 Nylon Clip - 4N
111 1106 0411 Bushing - 11.5mm
112 0632 0120E Spring Pin - 2 x 12mm
113 0951 4006B Philips Screw with Flat Washer - M4x6
DescriptionPart No.DescriptionPart No.
Q'ty per
Assembly
10
4. DIAGONAL TRANSPORT UNIT 4 (A354)
11
4. DIAGONAL TRANSPORT UNIT 4 (A354)
Index
No.
1 A354 3211 Lower Entrance Guide Plate 1
2 A354 3231 Front Gate Bracket 1
3 5936 2585 Entrance Guide Pin 2
4 A354 3216 Turn Guide Plate - Entrance 1
5 A354 3241 Rear Gate Bracket 1
6 A354 3246 Guide Plate - Shielding Plate 1
7 AA16 1083 Entrance Cushion 1
8 AA08 0072 Bushing - 6x10x3 1
9 5408 2035 Stepped Screw - M4 1
10 A354 3131 Upper Stay - Diagonal 1
11 AA08 0108 Bushing - 6x10x6 1
12 5419 5714 Stepped Screw - M4 1
13 AW02 0043 Photointerruptor - EE - SX4009 -P15 1
14 A354 3381 Shielding Plate - Door Switch 1
15 AA14 3062 Shoulder Screw - M4 1
16 5413 1812 Spring - Drum Return Arm 1
17 5216 2676 Spring - Engage Gear Bracket 1
18 5214 1811 Idle Pulley - 20Z 1
19 5413 1882 Stepped Screw 1
20 A354 3521 Joint Adjusting Pin - Diagonal 1
21 5887 4195 Stopper Screw 1
22 5887 4185 Idler Pulley 1
23 5403 2075 Stepped Screw 2
24 AG07 0004 Magnetic Catch 1
25 A354 3697 Left Door Hinge 2
26 A354 3126 Rubber Damper 1
27 A354 3821 Harness Cover - Diagonal 1
28 5410 1291 Return Lever Pin 1
29 A354 3431 Middle Guide Plate - Diagonal 1
30 A354 3421 Exit Guide Plate - Driven Diagonal 1
31 AA08 0109 Bushing - 4 mm 4
32 A458 2165 Spring - Driven Roller 4
33 A354 2191 Transport Roller - Driven 2
Q'ty per
Assembly
Index
No.
100 0434 0060B Philips Tapping Screw - M4x6
101 0313 0040B Philips Pan Head Screw - M3x4
102 0313 0060B Philips Pan Head Screw - M3x6
103 0314 0100W Philips Pan Head Screw - M4x10
104 0720 0040E Retaining Ring - M4
105 0720 0030E Retaining Ring - M3
DescriptionPart No.DescriptionPart No.
Q'ty per
Assembly
12
5. DISTRIBUTION UNIT 1 (A354)
13
5. DISTRIBUTION UNIT 1 (A354)
Index
No.
1 A354 1451 Vertical Transport Cover 1
2 A354 2141 Vertical Transport Frame 1
3 A458 2165 Spring - Driven Roller 32
4 AA08 0109 Bushing - 4 mm 32
5 A354 2191 Transport Roller - Driven 16
6 A354 2131 Lower Exit Guide Plate - Driven 1
7 A354 2111 Large Guide Plate - Driven 2
8 A354 2121 Small Guide Plate - Driven 1
9 A354 5315 Relay DC Harness - Registration 1
10 A354 2027 Horizontal Harness Cover 1
11 AW02 0013 Inlet Sensor 1
12 A354 2026 Sensor Bracket - Horizontal 1
13 A300 1652 Spring Plate Roller 4
14 AG07 0004 Magnetic Catch 1
15 AA06 0382 Spring - Horizontal Driven 2
16 A300 1653 Roller 4
17 A354 2022 Guide Plate Magnet 1
18 A354 2021 Driven Guide Plate - Horizontal 1
19 A354 1481 Rear Horizontal Cover 1
20 A354 1571 Front Left Cover 1
21 A354 1443 Auxiliary Rear Cover 1
22 A354 1442 Rear Cover 1
23 A354 1581 Auxiliary Cover - Original Table 1
24 A354 1612 Decal - R2 2
25 A354 1591 Tray Extention 1
26 A354 1635 Stapler Decal - Original Position 1
27 A354 1411 Upper Cover 1
28 A354 1461 Right Lower Cover 1
29 A354 1641 Stapler Supply Decal 1
30 A354 1431 Stapler Door 1
31 5410 1291 Return Lever Pin 2
32 A354 1471 Front Horizontal Cover 1
33 A354 1426 Front Right Cover 1
34 AA00 0072 Fuse Decal 1
Q'ty per
Assembly
Index
No.
100 0434 0060B Philips Tapping Screw - M4x6
101 0720 0030E Retaining Ring - M3
102 0950 4006B Screw - M4x6
103 0801 1185 Philips Truss Head Screw - M4x8
104 1105 0008 Nylon Clip - 2N
105 0434 0084B Pan Head Self - Tapping Screw - M4x8
106 0951 4006B Philips Screw with Flat Washer - M4x6
107 0344 0060F Philips Truss Head Screw - M4x6
108 0344 0120F Philips Truss Head Screw - M4x12
DescriptionPart No.DescriptionPart No.
Q'ty per
Assembly
14
6. DISTRIBUTION UNIT 2 (A354)
15
6. DISTRIBUTION UNIT 2 (A354)
Index
No.
1 A354 2247 Harness Cover - Interlock Switch 1
2 A354 4545 Stapler Adjusting Bracket 1
3 A354 4541 Stapler Adjusting Bracket 1
4 5887 2291 Idle Roller 1
5 A354 4715 Stapler Motor Bracket 1
6 AB03 0334 Pulley - 20Z 1
7 A354 5230 Grounding Harness 1
8 AX05 0050 Stepper Motor - DC4V 3.8W 1
9 AA04 3155 Timing Belt - B60S3M201 1
10 A498 4370 Fixing Plate 1
11 AB03 0335 Pulley - 18Z 1
12 A469 4103 Worm Gear - 2Z 1
13 A354 4765 Stapler Worm Gear Shaft 1
14 AB03 0209 Pulley - 20Z 1
15 A354 4755 Stapler Gear Shaft 1
16 A469 4104 Gear - 25Z 1
17 A354 4738 Bracket - Stapler Drive Unit 1
18 A354 1498 Rear Face Cover - Flat Cable 1
19 AA04 3161 Timing Belt - B100S3M 1
20 A498 4530 Timing Belt Clamp 1
21 A498 4520 Bushing - 18x26x10 2
22 A498 4525 Bushing Stopper 2
23 A354 1526 Rubber Absorber 1
24 A354 4590 Stapler Shaft - Up/Down 1
25 A366 5680 Grounding Wire 1
26 AB03 0336 Idle Pulley - 20Z 3
27 AA13 2147 Flange - 10x20 mm 3
28 A354 4780 Upper Stapler Shaft - Driven 1
29 A354 1497 Front Face Cover - Flat Cable 1
30 A354 5400 Stapler Flat Cable 1
31 A354 1497 Front Face Cover - Flat Cable 1
32 A354 1498 Rear Face Cover - Flat Cable 1
33 A354 4121 Flat Cable Braket 1
34 A354 4795 Stapler Bracket - Driven 2
Q'ty per
Assembly
Index
No.
100 0434 0060B Philips Tapping Screw - M4x6
101 0951 4006B Philips Screw with Flat Washer - M4x6
102 0720 0060E Retaining Ring - M6
103 0313 0060B Philips Pan Head Screw - M3x6
104 0574 0040E Hexagon Headless Set Screw - M4x4
105 0805 3145 Ball Bearing - 6x12x4mm
106 0805 3291 Ball Bearing - 8x16x5mm
107 0805 3385 Bushing - 6mm
108 0720 0040E Retaining Ring - M4
109 0805 3386 Bushing - 8mm
110 0951 4008B Philips Screw With Flat Washer - M4x8
111 0950 4006B Screw - M4x6
112 1105 0196 Harness Clamp
113 0801 1185 Philips Truss Head Screw - M4x8
114 1005 0933 Cushion - Stepper Motor
DescriptionPart No.DescriptionPart No.
Q'ty per
Assembly
16
7. DISTRIBUTION UNIT 3 (A354)
17
7. DISTRIBUTION UNIT 3 (A354)
Index
No.
1 AG07 0004 Magnetic Catch 2
2 A354 1536 Bracket - Lower Stapler Magnet 2
3 A354 1531 Bracket - Upper Stapler Magnet 1
4 A354 4133 Interlock Switch Cover - Stapler 1
5 AA06 0479 Spring - Interlock Switch 1
6 A354 2243 Spring Bracket - Interlock 1
7 A354 2248 Interlock Bracket 1
8 5413 1882 Stepped Screw 1
9 A354 2249 Interlock Lever 1
10 5887 4195 Stopper Screw 1
11 A354 4131 Interlock Switch Bracket - Stapler 1
12 A354 4132 Interlock Switch Feeler - Stapler 1
13 5215 3889 Spring - Toner Collection Bottle 1
14 A354 4113 Upper Frame Cover 1
15 AA08 0111 Bushing - 8x12x7 1
16 A354 4365 Upper Stopper - Jogger Bushing 1
17 AA04 3156 Timing Belt - B60S3M1788 1
18 AX05 0050 Stepper Motor - DC4V 3.8W 1
19 AB03 0209 Pulley - 20Z 2
20 AB03 0216 Pulley - 15Z 1
21 A354 5230 Grounding Harness 1
22 A354 4213 Jogger Drive Shaft - 8 mm 1
23 AB01 0076 Gear - 70Z 1
24 AB01 0077 Gear - 20Z 1
25 A354 4212 Jogger Drive Shaft - 6 mm 1
26 AB03 0331 Pulley - 30Z 1
27 AA04 3160 Timing Belt - B40S2M126 1
28 A354 4211 Jogger Motor Bracket - Up/Down 1
29 AA08 0110 Bushing - 10x14x7 2
30 A354 4315 Jogger Bracket 1
31 A354 4326 Jogger Bearing Stopper 2
32 A354 4343 Jogger Gear - 16Z 1
33 A354 4313 Jogger Guide 1
34 A498 4530 Timing Belt Clamp 1
35 A354 4371 Jogger Shaft - 6 mm 1
Q'ty per
Assembly
Index
No.
36 A354 4375 Upper Joint Bracket 1
37 AB01 0074 Gear - 40Z 1
38 A354 4344 Jogger Gear - 48Z 1
39 A354 4361 Jogger Guide Shaft - 10 mm 1
40 A354 4314 Jogger Stopper Bracket 1
41 A354 4319 Jogger Fence Bracket 1
42 A354 4337 Slider Roller 1
43 AA14 3129 Shoulder Screw - Front Cover 1
44 AA06 0455 Jogger Fence Spring 1
45 A354 4333 Jogger Arm 1
46 A354 4332 Jogger Pad 1
47 A354 1511 Upper Stapler Hinge 1
48 A354 4334 Jogger Fence 1
49 A354 1521 Lower Stapler Hinge 1
50 A354 4232 Jogger Pulley Shaft - Up/Down 1
51 A354 4231 Jogger Pulley Bracket - Up/Down 1
52 A354 4241 Jogger Motor Bracket 1
53 AW02 0021 Photointerruptor 1
54 AA08 0074 Bushing - 4x6x6 1
55 AX04 0052 Stepper Motor - DC24V 5.7W 1
56 A354 4376 Lower Joint Bracket 1
57 A354 4261 Jogger Drive Link 1
58 AA08 0111 Bushing - 8x12x7 1
59 A354 2240 Interlock Switch 1
DescriptionPart No.DescriptionPart No.
Q'ty per
Assembly
18
Index
No.
100 0434 0060B Philips Tapping Screw - M4x6
101 1204 2278 Micro Switch - DD2L-F7AA
102 1204 2136 Micro Switch
103 0313 0300B Philips Pan Head Screw - M3x30
104 0574 0040E Hexagon Headless Set Screw - M4x4
105 0313 0060B Philips Pan Head Screw - M3x6
106 0720 0060E Retaining Ring - M6
107 0805 3291 Ball Bearing - 8x16x5mm
108 1005 0933 Cushion - Stepper Motor
109 0720 0040E Retaining Ring - M4
110 0805 3385 Bushing - 6mm
111 0805 3386 Bushing - 8mm
112 0313 0060B Philips Pan Head Screw - M3x6
113 0805 3145 Ball Bearing - 6x12x4mm
114 0951 3006B Philips Screw with Flat Washer - M3x6
115 0951 4006B Philips Screw with Flat Washer - M4x6
116 0951 4008B Philips Screw With Flat Washer - M4x8
117 0632 0120E Spring Pin - 2 x 12mm
118 0950 4006B Screw - M4x6
Q'ty per
Assembly
Index
No.
DescriptionPart No.DescriptionPart No.
Q'ty per
Assembly
19
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