Home
Ricoh
Printer
G108
Ricoh G108 User Manual
5
of 1
of 1 rating
278 pages
Give review
Manual
Specs
To Next Page
To Next Page
To Previous Page
To Previous Page
Loading...
COMPONENT LAYOUT AND PAP
ER PATH
SM 13
G390
G390
Duplex Unit
2.
DET
AILED SECTION DESCRIPTIONS
2.1
COMPONENT LAYOUT AND PAPER PATH
1.
Paper gate (of the printer)
2. Entrance
roller
3.
Upper transport roller
4.
Paper gate solenoid
5.
Paper sensor 1
6.
Lower transport roller
7. Inverting
roller
8.
Paper sensor 2
9. Exit
roller
G390D901.
WMF
2
1
3
4
5
6
7
8
9
270
272
Table of Contents
Table of Contents
13
Default Chapter
1
Service Manual
1
Important Safety Notices
23
Laser Safety
24
Symbols and Abbreviations
25
Installation
29
Installation Requirements
31
Environment
31
Machine Level
31
Machine Space Requirement
32
Printer and Duplex Unit
32
Printer Only
32
Power Requirement
33
Installation Procedure
34
Installing the Printer
34
Necessary Settings
34
Moving the Machine
35
Preventive Maintenance
37
User Maintenance
39
Page Count
39
Service Maintenance
40
Necessary Setting
40
Page Count
40
Replacement and Adjustment
41
Exterior Covers
43
Top Cover
43
Left Cover
44
Right Cover
44
Front Cover
45
Rear Cover
45
Optics Unit
46
Caution Decal Location
46
Removing the Laser Optics Unit
46
Opc
47
Opc Belt Sensor
47
Opc Belt Unit
47
Charge Roller and Cleaning Roller
48
Erase Lamp
49
Sm G108
49
Development
50
Emitter
50
Receptor
50
Toner End Sensor
50
Development Unit Sensor and Development Clutch
51
Transfer Belt
52
Transfer Belt Sensor and ID Sensor
52
Transfer Belt Unit
52
Transfer Belt Cleaning Unit and Waste Toner Duct3-11
53
Waste Toner Bottle
54
Waste Toner Bottle Holder
54
Waste Toner Collection Unit
54
Waste Toner Duct
55
Ohp Sensor, Paper End Sensor, and Registration Sensor
56
Paper Feed
56
Paper Feed Roller and Separator Pad
56
Temperature Sensor, Paper Size Sensor and Paper Tray Sensor
57
Paper Exit Sensor and Paper Overflow Sensor
58
Paper Transfer and Paper Exit
58
Transfer Roller Unit
58
Discharge Brush
59
Fusing Unit and Fusing Lamp
60
Circuit Board
62
Controller and Base Engine Control Unit
62
Input Output Device
63
Direct Current Unit
64
High Voltage Unit
65
Drive Path
66
Main Motor Drive Path
66
Development Motor Drive Path
68
Exhaust Fan
69
Optics Unit Fan
69
Psu Fan
69
Fusing Fan
70
Front Cover Switch
71
Interlock Switch
71
Top and Rear Cover Switches
71
Leading Edge Registration
72
Registration
72
Side-To-Side Registration
73
Troubleshooting
75
Service Call
77
Sc Code Classification
78
Sc Table
79
Possible Cause
83
Image Quality
84
Background
84
Countermeasures
84
Missing Image at Edge
84
Possible Cause
84
Symptom
84
Jitter
85
Countermeasures
86
Possible Cause
86
Ribbing
86
Symptom
86
Countermeasures
87
Possible Cause
87
Symptom
87
Wrinkle/Image Migration
87
Countermeasures
88
Possible Cause
88
Symptom
88
Black Line
89
Countermeasures
89
Possible Cause
89
Symptom
89
Countermeasures
90
Possible Cause
90
Symptom
90
Vertical Lines Not Acceptably Straight
90
Countermeasures
91
Symptom
91
Sm G108
91
White Band
91
White Spots / Black Spots
92
Incorrect Color Registration
93
Residual Image
94
Back Stain
95
Countermeasures
96
Insufficient Fusing
96
Countermeasures
97
Possible Cause
97
Symptom
97
Uneven Density Among Different
97
Electrical Component
98
Photo Sensors
98
Reflective Photo Sensors
98
Sensors
98
Bcu
99
Blown Fuse Condition
99
Controller
99
Duplex Unit
99
Led
99
Operation Panel
99
Service Tables
101
Service Program Mode
103
Activating SP Mode
103
Operating Service Program Mode
103
Quitting SP Mode
104
Selecting a Service Program
104
Specifying a Setting
104
Tables
105
Bit Switches
108
Adjusting Printer Gamma
109
Toner Control Set (Service SP1-101)
111
Engine
112
SP1: Feed
112
SP2: Drum
113
SP5: Mode
114
SP7: Data Log
124
Memory Clear/Counter Clear
138
Telephone Number Setting (Sp5-812)
139
Firmware Update
140
Handling SD Card
140
Network Connection
140
Precautions
140
Types of Firmware
140
Upload or Download
140
Example
141
File Arrangement
141
How the Program Works
141
Procedure
142
Updating
142
Error Handling
143
Nvram Data Upload/Download
143
Power Failure
143
Uploading NVRAM Data
143
Downloading NVRAM Data
144
Error Code Table
145
Sd Card Appli Move
146
Overview
146
Move Exec
147
Undo Exec
148
Controller Self-Diagnostics
149
Overview
149
Detailed Self-Diagnostics
150
Toner Density (Mass Amount) Control
151
Overview
151
Tma Control Switch
151
Adjusting Development Bias
152
Tma Status
152
User Program Mode
153
Menu List
153
Quitting User Program
153
Starting User Program
153
Dip Switches
154
BCU Board
154
Controller Board
154
Detailed Descriptions
155
Overview
157
Component Layout
157
Paper Path
158
Drive Layout
159
Board Layout
160
Controller
160
Base Engine Control Unit (BCU)
161
Controller
161
Input Output Device (IOD)
161
Power Supply Unit and High Voltage Unit
161
Printing Process
162
ID Sensor Calibration
164
Overview
164
Toner Mass Amount Control
164
Test Pattern Processing
165
Development Bias Adjustment
166
Reference Equation Processing
166
Optical Housing Unit
167
Optical Path
167
Laser Synchronization
168
Specifications
168
Laser Exposure
169
Optics Unit Fan
169
Safety Switch
170
Opc Belt
171
Drive
171
Opc Belt Cleaning
171
Charge Roller and Cleaning Roller
172
Opc Belt Sensor
173
Quenching
173
Development Unit
174
Development Unit Sensor
174
Overview
174
Drive
175
Contact Mechanism
176
Development Unit Contact Mechanism
176
Development Bias
177
Spring Clutch
177
Mechanism
178
Near End and End
178
Toner End Sensor
178
Transfer Belt
179
Drive
179
ID Sensor
180
Transfer Belt Sensor
180
Transfer Belt Sensor and ID Sensor
180
ID Sensor Cleaning
181
Cleaning Mechanism
182
Drive
182
Transfer Belt Cleaning
182
Contact-Release Mechanism
183
Waste Toner Agitator
184
Drive
185
Overview
185
Waste-Toner Collection Unit
185
Messages
186
Near-Full and Full
186
Waste Toner Sensor
186
Paper Tray Unit
187
Overview
187
Paper Lift
188
Drive
189
Paper Feed
189
Paper Feed Roller
189
Mechanism
190
Paper Size
190
Paper Size and Paper Tray Detection
190
Sm G108
191
Configuration Page and Utilities
191
Ohp Sensor
191
Reflective Photosensor
191
OHP Sensor, User Setting, and Printer Driver
192
Paper End Sensor
193
Drive
194
Paper Registration
194
Paper Registration and Paper Transfer
194
Registration Roller
194
Registration Sensor
194
Contact Release Mechanism
195
Discharge Plate
195
Paper Transfer
195
Paper Transfer Bias
195
Transfer Roller
195
Fusing Unit
196
Overview
196
Drive
197
Fusing Process
197
Pressure Unit
197
Main Components
198
Temperature Control
198
Energy Saver Mode
199
Temperature
199
Drive
200
Paper Exit Overflow Sensor
200
Paper Exit Unit
200
Controller
201
Overview
201
Board Layout
202
Auto Continue
203
Controller Functions
203
Manual Tray Select
203
Tray Priority
203
Black over Print
204
Black over Print Disabled
204
Black over Print Enabled
204
NDPU and des
205
Network Data Protection Unit
205
Supported Network Interface
205
Ethernet Board
206
Ethernet Board Layout
206
Ethernet
207
General Features
208
Hot Plugging
208
Overview
208
Plug and Play
208
Usb 2.0
208
USB 2.0 and 1.1
208
Usb Connectors
208
Pin Assignment
209
Related SP Mode
209
Remarks
209
Ieee 802.11B (Wireless Lan)
210
LED Indicators
210
Specifications
210
Ad Hoc Mode
211
Infrastructure Mode
211
Transmission Modes
211
MAC Address
212
Security Features
212
Service Set ID
212
SSID in Ad Hoc Mode
212
Wired Equivalent Privacy (WEP)
212
Troubleshooting
213
Communication Status
214
Procedure
214
Block Diagram
215
Bluetooth
215
Specifications
215
Communication
216
Frequency Hopping Spread Spectrum (FHSS)
216
Piconet
216
PIN Code (Personal Identification Number)
217
Profiles
217
Public and Private Mode
217
Security Features
217
Specifications
219
General Specifications
221
Supported Paper Sizes
223
Software Accessories
224
Printer Drivers
224
Utility Software
224
Machine Configuration
225
Duplex Unit
227
Legal Paper Tray
227
Paper Tray Unit
227
Paper Feed Unit G389
231
Default Chapter
233
Read this First
233
1 Replacement and Adjustment
235
Exterior Covers
235
Bottom Base and Rear Cover
236
Left Cover
238
Right Cover
238
Feed Roller and Separator Pad
239
Feed Roller
239
Separator Pad
241
Sensors
242
Paper End Feeler and Link Lever
242
Paper End Sensor
242
Paper Size Sensor
243
Paper Feed Clutch
245
Relay Gears
247
2 Details
248
Paper Size and Paper Tray Detection
248
Paper Lift
250
Paper Feed
251
Paper End Detection
252
Paper End Sensor
252
Link Lever
253
Duplex Unit G390
257
1 Replacement and Adjustment
259
Exterior Cover
259
Paper Guide
261
Lower Guide
261
Rear Guide
261
Top Guide
262
Upper Guide
263
Screw Base
263
Controller Board
264
Drive Path
264
Motor
264
Gears and Timing Belts
265
Roller
266
Entrance Roller
266
Upper Transport Roller
266
Inverting Roller
267
Lower Transport Roller
267
Interlock Safety Switches
267
Sensor
268
Paper Sensor 2
268
Paper Gate Solenoid
269
Stopper
270
2 Detailed Section Descriptions
271
Component Layout and Paper Path
271
Drive Layout
272
Duplex Printing Process
273
Paper Gate Control
274
Paper Path
274
Possible Paper Jam
274
Solenoid and Lever
274
Paper Transport
275
Motors and Rollers
275
Overview
275
Safety Switches
276
3 Troubleshooting
277
Loose Connection
277
Paper Jam
278
5
Based on 1 rating
Ask a question
Give review
Questions and Answers:
Need help?
Do you have a question about the Ricoh G108 and is the answer not in the manual?
Ask a question
Ricoh G108 Specifications
General
Duplex Printing
Yes
Print Resolution
1200 x 1200 dpi
Paper Capacity
250 sheets
Network Connectivity
Ethernet
Supported Operating Systems
Windows, Mac, Linux
Related product manuals
Ricoh M-G1a
163 pages
Ricoh GX7000
8 pages
Ricoh GX e7700N
25 pages
Ricoh GW Series
137 pages
Ricoh Aficio GX7000
272 pages
Ricoh Aficio GX3050N
254 pages
Ricoh Aficio GX e3350N
706 pages
Ricoh Aficio GX e3300N
706 pages
Ricoh GX7000 SubliJet R
20 pages
Ricoh GelSprinter GX e2600
706 pages
siubli-trans XPRES GXe7700N
20 pages
GX7000 - Color Inkjet Printer
25 pages