Ricoh Nashuatec 4580 Manuals

Manuals and User Guides for Ricoh Nashuatec 4580. We have 1 Ricoh Nashuatec 4580 manual available for free PDF download: Service Manual

Ricoh Nashuatec 4580 Service Manual (390 pages)

Brand: Ricoh | Category: Copier | Size: 8.09 MB

Observance of Electrical Safety Standards
2
Safety and Ecological Notes for Disposal
2
Overall Machine Information
3
Specifications
4
Copy Processes Around the Drum
9
Mechanical Component Layout
11
Electrical Component Descriptions
13
Drive Layout
20
Paper Path
21
Detailed Section Descriptions
24
Process Control
25
Image Control
27
Drum Heater Control
41
Drum Charge
42
Corona Unit Ventilation
43
Corona Wire Cleaner
44
Charge Corona Power Pack
45
Erase Lamp Circuit
47
Scanner Drive
49
Motor Drive Circuit
56
Exposure Lamp Unit
57
Exposure Lamp Control
58
Anti-Condensation Heater
61
Optics Cooling Fan
61
Drive Mechanism
63
Cross Mixing
64
Development Bias
65
Toner Supply Mechanism
70
Toner Density Detection
71
Toner Supply Amount
73
Toner Cartridge
74
Toner End Detection
75
Image Transfer and Paper Separation
77
Tc/Sc Wire Cleaner
80
Pick-Off Pawls
81
Transport Unit
82
Drive Mechanism
84
Cleaning Blade Pressure Mechanism
85
Toner Collection Mechanism
87
Cleaning Solenoid Circuit
89
Paper Feed
92
Paper Feed and Separation
93
Slip Clutch Mechanism
96
Paper End Detection
98
Paper Volume Detection
99
Paper Tray Drive Mechanism
100
Tray Lock Mechanism
102
Side-To-Side Registration
104
Paper Size Detection
105
Vertical Transport
111
Pressure Mechanism
117
Oil Supply
118
Fusing Drive Mechanism
120
Duplex Copying
124
Duplex Paper Feed
130
Duplex Drive Mechanism
132
Original Detection
135
Original Size Detection
136
Pick-Up Roller
138
Original Feed Drive Mechanism
139
Original Transport Mechanism
141
Switch Back Mechanism
147
Operation Unit
150
By-Pass Table
154
Paper Feed Mechanism
157
Installation
159
Installation Requirement
160
Machine Level
160
Minimum Space Requirements
161
Power Requirements
162
Accessory Check
163
A3/11" X 17" COUNTER INSTALLATION
172
Key Counter Holder Installation
173
Installation Procedure (Lct)
174
Service Tables
177
Service Remarks
178
Handling the Drum
178
Charge Corona Unit
179
Development Unit
180
Transfer and Separation
181
Cleaning Unit
181
Service Program Mode Operation
183
Sp Mode Function
184
Dip Switch Table
218
Preventive Maintenance Schedule
219
Regular Pm Schedule
222
Lubrication Points
226
Replacement and Adjustment
229
Exterior and Inner Covers
230
Exterior Cover Removal
231
Upper Cover Removal
232
Exposure Glass Removal
233
Exposure Lamp Replacement
234
Scanner Drive Wire Replacement
240
Scanner Drive Motor Removal
249
Development Unit Removal
257
Developer Replacement
259
Cleaning Unit Removal
267
Cleaning Blade Replacement
268
Cleaning Brush Replacement
269
Around the Drum
274
Drum Replacement
274
Tray Motor Replacement
288
Paper Feed Unit Removal
300
Ozone Filter Replacement
309
Image Fusing
310
Fusing Unit Removal
310
Thermistor and Thermofuse Replacement
315
Fusing Pressure Adjustment
317
Entrance Guide Height Adjustment
318
Duplex Unit Removal
323
Duplex Cover Removal
324
Feed Roller Replacement
327
Duplex Tray Removal
328
Transport Belt Replacement
332
Separation Roller Replacement
333
Original Feed Unit Removal
334
Pick-Up Roller Replacement
337
Friction Tab Replacement
342
Transport Unit Removal
344
Inverter Roller Replacement
346
Sensor Replacement
348
Skew Correction
352
Motor Speed Adjustment
353
Belt Tension Adjustment
355
Side-To-Side Registration Adjustment
357
Ram Clear Procedure
359
Troubleshooting
362
System Error and Service Call Conditions
363
Blown Fuse Table
388

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Ricoh Nashuatec 4580 Service Manual (390 pages)

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