Ricoh Robin Manuals

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

Ricoh Robin Service Manual (273 pages)

Brand: Ricoh | Category: All in One Printer | Size: 3.84 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
7
Copy Process Control
9
Mechanical Component Layout
10
Electrical Component Layout
11
Electrical Component Descriptions
12
Drive Layout
15
Power Distribution
17
Detailed Section Descriptions
19
Drum Charge
22
Charge Corona Wire Cleaner Mechanism
23
Charge Corona Circuit
24
Grid Voltage Correction
25
Grid Voltage for Image Density Control
26
Scanner Drive
31
Automatic Image Density Sensing
35
Exposure Lamp Control Circuit
38
Drive Mechanism
44
Development Bias Circuit
50
Toner Density Detection and Toner Supply
51
Abnormal Condition in Toner Density Detection
53
Toner Supply and Agitator Drive Mechanism
55
Image Transfer and Paper Separation
61
Drum Cleaning
63
Paper Feed and Registration
66
Paper Lift Mechanism
67
PAPER LENGTH DETECTION (Paper Feed Station)
68
Paper Feed Drive Mechanism
69
Paper Feed and Misfeed Detection Timing
72
Image Fusing
73
Fusing Lamp Control Circuit
75
Fusing Lamp Control
77
Energy Saver Function
78
Installation
79
Installation Requirements
80
Machine Level
80
Minimum Space Requirements
81
Power Requirements
81
Installation Procedure
82
Accessory Check
82
Copier Installation Procedure
83
Key Counter Holder Installation (Option)
89
Service Tables
90
Service Remarks
91
General Caution
91
Charge Corona
92
Toner Supply
94
Transfer and Separation
95
Cleaning Unit
95
Fusing Unit
95
Document Feeder
96
Service Program Mode Operation
98
Service Program Mode Table
103
Sp Mode 8-Input Check
111
Sp Mode 9-Output Check
112
Service Call and User Code Table
113
Test Points
115
Dip Switches and Jumper Switches
116
Variable Resistors
117
Special Tools and Lubricants
118
Preventive Maintenance Schedule
119
Explanation of Regular Pm
122
Regular Pm Procedure
124
Replacement and Adjustment
126
Exterior and Inner Covers
127
Exterior Cover Removal
127
Inner Cover Removal
130
Exposure Glass Removal
131
1St Mirror Removal
132
2Nd and 3Rd Mirror Removal
134
4Th and 5Th Mirror Replacement
136
Exposure Lamp Replacement
137
Thermofuse Replacement
139
Scanner Drive Wire Replacement
140
Scanner Motor Replacement
147
Lens Drive Motor Replacement
148
Development and Toner Supply
150
Development Unit Removal
150
Toner Supply Unit Removal
151
Developer Replacement
152
Inlet Seal Removal
153
Toner Supply Clutch Replacement
154
Development Bias Voltage Adjustment (Sp9-38)
155
Cleaning Unit Removal
156
Cleaning Blade Replacement
157
Used Toner Collection
158
Entrance Seal Replacement
159
Paper Feed
160
Feed Roller Replacement
160
Paper Tray Switch Replacement
162
Relay Sensor and Registration Sensor Replacement
163
Relay Roller Clutch, Paper Feed Clutch and Registration Clutch Replacement
165
Around the Drum
167
Drum Replacement
167
Quenching Lamp Replacement
169
Erase Lamp Replacement
170
Charge Corona Wire Replacement
171
Charge Corona Grid Plate Replacement
172
Transfer/Separation Corona Wire Replacement
173
ID Sensor Replacement
176
Pick-Off Pawl Replacement
177
Transfer/Separation Power Pack Replacement
178
Corona Current Adjustment
180
Exit Unit Removal
187
Fusing Unit Removal
188
Hot Roller Replacement
191
Pressure Roller Replacement
193
Fusing Lamp Replacement
194
Fusing Thermoswitch Replacement
195
Fusing Thermistor Replacement
196
Fusing Pressure Adjustment
197
Copy Quality Adjustment
198
Light Intensity Adjustment
199
Side-To-Side Exposure Adjustment
200
Image Bias Voltage Adjustment
201
Toner Density Adjustment
202
Fixed Toner Supply Mode Selection
202
Toner Supply Ratio Selection
202
ID SENSOR (Vsg) ADJUSTMENT
203
ADS (Auto Image Density Sensor) ADJUSTMENT
204
Vertical Magnification Adjustment
206
Focus Adjustment
207
Leading Edge Erase Margin Adjustment
208
Registration Adjustment
208
Side-To-Side Registration Adjustment
209
Ozone Filter Replacement
213
Optional Equipment Installation
215
Troubleshooting
218
Copy Quality
219
Blank Copy (White Copy)
219
Dirty Background
222
Uneven Image Density
225
Vertical Black Bands
226
Vertical Black Lines
227
Vertical White Lines or Bands-1 (Dull or Blurred)
228
Vertical White Lines or Bands-2 (Thin, Distinct)
229
Horizontal Black/White Lines
230
Black Spots on the Copy Image
232
Skewed (Optical) Copy Image
233
Toner Density too High
234
Toner Density too Low
236
Toner Scattering
238
Unfused Copy Image
239
Paper Misfeed
240
Transfer Failure
241
Df Original Misfeed or Skew
242
Service Call Conditions
243
Df Communication Error
266
Electrical Component Defects
270
Fuses and Circuit Breakers
272

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