Ricoh FT 4015 Manuals

Manuals and User Guides for Ricoh FT 4015. We have 1 Ricoh FT 4015 manual available for free PDF download: Service Manual

Ricoh FT 4015 Service Manual (230 pages)

Brand: Ricoh | Category: Copier | Size: 3.38 MB

Overall Machine Information
2
Specifications
3
Copy Process Around the Drum
6
Mechanical Component Layout
8
Drive Layout
9
Paper Path
10
Electrical Component Descriptions
11
Detailed Descriptions
14
Opc Drum Characteristics
15
Drive Mechanism
16
Charge Corona Wire Cleaner Mechanism
18
Charge Corona Circuit
19
Scanner Drive
21
Lens Drive
22
4Th/5Th Mirror Drive
23
Automatic Image Density Sensor
24
Exposure Lamp Voltage Control
25
Lead Edge Erase
30
Side Erase
30
Trailing Edge Erase
31
Cross-Mixing
34
Development Bias for Image Density Control
35
Development Bias Circuit
38
Toner Supply
39
Toner Bottle Replenishment Mechanism
39
Toner Supply Mechanism
40
Toner Density Detection Mechanism
41
Td Sensor Check and Toner Supply Timing
42
Toner Supply Control
43
Toner End
47
Image Transfer and Paper Separation
49
Transfer Corona and Discharge Plate Circuit
50
Drum Cleaning
51
Toner Recycling Mechanism
52
Paper Feed and Registration
54
Paper Tray Feed
55
By-Pass Feed
57
Paper Registration
59
Side Fence Double Stopper Mechanism
60
Paper End Detection
61
Paper Feed and Misfeed Detection Timing
62
Image Fusing
64
Fusing Drive Mechanism
65
Fusing Lamp Control
66
Fusing Lamp Control Circuit
68
Installation
71
Installation Requirements
72
Machine Level
72
Minimum Space Requirements
73
Accessory Check
74
Installation Procedure
75
Document Feeder (A662)
79
Tray Heater Installation (Option)
89
Service Tables
90
Service Remarks
91
General Cautions
91
Imaging Unit
91
Transfer Corona
93
Fusing Unit
93
Program Modes
96
Basic Operation
96
Sp Mode Quick Reference Table
98
Up Mode and Sp Mode Cross Reference Table
99
Service Program Mode Table
100
Clear All Memory Procedure
114
Practical Sp Mode Use Table
116
TEST POINTS (Main Control Board)
117
Variable Resistors
117
Preventive Maintenance
118
Preventive Maintenance Schedule
119
Regular Pm Procedure
122
Special Tools and Lubricants
125
Replacement and Adjustment
126
Exterior and Inner Covers
127
Exterior Cover Removal
127
Inner Cover Removal
130
Exposure Glass Removal
131
1St Scanner/Exposure Lamp Removal
132
Scanner Belt Removal
134
1St and 2Nd Scanner Position Adjustment
135
Scanner Drive Motor Removal
136
Lens Drive Motor Removal
137
4Th/5Th Mirror Drive Motor Removal
138
2Nd Mirror Replacement
139
3Rd Mirror Replacement
140
4Th and 5Th Mirror Replacement
141
Ads Sensor Replacement
143
Around the Drum
144
Imaging Unit Removal and Toner Bottle Removal
144
Charge Corona Wire and Charge Corona Grid Replacement
145
Cleaning Blade Replacement
146
Drum Replacement
147
Toner Collection Coil and Toner Recycling Belt Replacement
148
Developer Replacement
149
Replacement the Toner Density Sensor (Td Sensor)
150
Agitator Replacement
151
Toner Supply Motor Ass'y Replacement
152
Erase Lamp Replacement
153
Quenching Lamp Replacement
154
Paper Feed
155
Paper Tray Removal
155
Tray Feed Roller Replacement
156
Tray Paper Feed Roller Adjustment
157
By-Pass Feed Roller and Friction Pad Replacement
158
By-Pass Paper Feed Clutch, High Voltage Supply Board, and Registration Clutch Replacement
160
Right Vertical Guide Switch Replacement
161
Relay Roller Clutch and Paper Feed Clutch Replacement
162
Paper Size Switch Replacement
163
By-Pass Paper End Sensor and Registration Sensor Replacement
164
Fusing Unit Removal
165
Hot Roller Replacement
166
Pressure Roller Replacement
167
Hot Roller Stripper Replacement
168
Fusing Entrance Guide Adjustment
169
Fusing Pressure Adjustment
170
Transfer Corona Wire Replacement
171
Discharge Plate Replacement
172
Ozone Filter Replacement
173
Main Control Board Replacement
174
Copy Quality Adjustment
175
Light Intensity Adjustment
176
Development Bias Voltage Adjustment
178
Toner Density Adjustment
180
Toner Supply Ratio Selection
180
Grid Voltage Adjustment
181
Transfer Current Adjustment
182
Charge Current Adjustment
183
Horizontal Magnification Adjustment
184
Vertical Magnification Adjustment
184
Focus Adjustment
185
Leading Edge Erase Margin Adjustment
185
Registration Adjustment
185
4Th/5Th Mirror Height Adjustment
186
ADS (Auto Image Density Sensor) ADJUSTMENT
187
Side-To -Side Registration Adjustment
188
Troubleshooting
190
Copy Quality
191
Blank Copy (White Copy)
191
Dirty Background
193
Uneven Image Density
195
Vertical Black Bands
196
Vertical Black Lines
197
Vertical White Lines or Bands-1 (Dull or Blurred)
198
Vertical White Lines or Bands-2 (Thin, Distinct)
199
Horizontal Black/White Lines
200
Black Spots on the Copy Image
202
Skewed (Optical) Copy Image
203
Toner Density on Copies too High
204
Toner Density on Copies too Low
206
Unfused Copy Image
208
Creasing Paper after Fusing
209
Paper Misfeed
210
Abnormal Condition in Toner Density Detection
211
Service Call Conditions
213
Electrical Component Defects
219
Blown Fuse Conditions
221
User Codes
221

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Ricoh FT 4015 Service Manual (230 pages)

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