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Ricoh
All in One Printer
G065
Ricoh G065 User Manual
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LASER EXPOSURE
G065
6-14
SM
6.4.5
LD SAFETY SWITCHES
To ens
ure per
sonal
safety
and to prevent th
e laser beam
f
rom i
nadv
ertently
switchi
n
g on during
servicing, pow
er to the laser diode
is switched off w
hen the
front cover
or upp
er rig
h
t cover i
s opened.
Four safety
switches are inst
alled in
series on the
LD5 V line fr
om the p
o
wer suppl
y unit (
PSU) via the BIC
U board.
CN403-1
CN403-3
CN402-4
CN312-1
CN109-8
CN301-10
+5V
PSU
BICU
LDDR
+5V
LD5V
LD1
LD2
Front Cover
Safety Switch
Upper Right
Cover Switch
G065D505.
W
MF
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA
217
219
Table of Contents
Default Chapter
5
Service Manual
5
Table of Contents
13
Important Safety Notices
21
Laser Safety
22
Installation
27
Installation Requirements
29
Environment
29
Machine Level
29
Machine Space Requirements
30
Power Requirements
31
Machine Installation
31
Optional Unit Installation
31
Symbols Used in Text
31
Lct Installation (A683)
32
Accessory Check
32
Installation Procedure
33
Bridge Unit Installation (B397)
35
Accessory Check
35
Installation Procedure
36
1000-Sheet Finisher Installation (A681)
38
Accessory Check
38
Installation Procedure
39
3000-Sheet Finisher Installation (A697)
42
Accessory Check
42
Installation Procedure
43
Punch Unit Installation (A812)
47
Accessory Check
47
Installation Procedure
48
Mailbox Installation (G909)
51
Accessory Check
51
Requirement Options for Main Machine
51
Installation Procedure
52
Bridge Unit for Mailbox Installation (G912)
55
Accessory Check
55
Installation Procedure
56
Preventive Maintenance
61
Preventive Maintenance Schedule
63
Pm Tables
63
Pm Tables for the Printer
63
Pm Tables for Options
65
Replacement and Adjustment
67
General Cautions
69
Laser Unit
69
Used Toner
69
Replacement and Adjustment
69
Special Tools and Lubricants
70
Special Tools
70
Lubricants
70
Symbols Used in Text
70
Front Door
71
Duplex Unit
71
Upper Right Cover
72
By-Pass Tray Unit
73
Rear Covers
74
Rear Upper Cover
74
Rear Lower Cover
74
Left Covers
75
Left Upper Cover
75
Operation Panel
76
Paper Output Tray
77
No Bridge Unit Installed
77
Bridge Unit Installed
77
Laser Unit
78
Caution Decal Locations
78
Polygon Mirror Motor
80
Laser Synchronization Detector
81
Ld Unit
81
Laser Beam Pitch Adjustment
82
Pcdu
83
Photocondcutor Cleaning/Development Unit
83
Drum
84
Pick-Off Pawls
85
Charge Roller and Cleaning Roller
86
Drum Cleaning Blade
87
ID Sensor
88
Development
89
Development Unit
89
Development Filter
90
Development Roller
91
Developer
92
Td Sensor
94
Transfer Unit
95
Transfer Belt Unit
95
Transfer Belt
96
Cleaning Blade/Toner Overflow Sensor
97
Transfer Belt Cleaning Blade
97
Toner Overflow Sensor
97
Paper Feed
99
Pick-Up, Separation, and Feed Rollers
99
Lower Right Cover
100
Relay/Upper Paper Feed and Lower Paper Feed Clutches
101
Upper Paper Feed Unit for Tray 1
102
Lower Paper Feed Unit for Tray 2
103
Paper End/Paper Lift/Relay Sensors
104
Registration Sensor
105
Tray Lift Motor
107
Feed/Development Motor
108
Fusing
109
Fusing Unit
109
Fusing Unit Exit Guide
110
Hot Roller Strippers
110
Fusing Lamps
111
Left Side
111
Right Side
112
Thermistors and Thermostats
113
Hot Roller/Pressure Roller
114
By-Pass Tray
116
Cover Replacement
116
By-Pass Feed/Pick-Up Roller
117
By-Pass Separation Roller Replacement
118
Paper End Sensor/Pick-Up Solenoid
119
Paper Size Sensor Board Replacement
120
By-Pass Table Removal
121
Paper Feed Clutch Replacement
122
Duplex Unit
123
Duplex Cover Removal
123
Duplex Entrance Sensor Replacement
124
Duplex Exit Sensor Replacement
125
Drive Area
126
Registration/Transfer Belt Contact Clutches
126
Main Motor
127
Fusing/Exit Motor
128
Fusing/Exit Clutch
129
Toner Supply Motor
130
Printed Circuit Boards
131
High Voltage Power Supply
131
I/O Board
132
Bicu Board
133
Psu
133
Hard Disk/Controller Board
134
To Format the HDD
134
Printing Adjustments
135
Parallelogram Image Adjustment
136
Troubleshooting
137
Service Call Conditions
140
Sc Code Descriptions
140
Electrical Component Defects
153
Sensors
153
Switches
154
Blown Fuse Conditions
155
Leds
155
Bicu
155
Test Points
155
Controller Board
155
Toubleshooting
137
Service Tables
157
Service Program Mode
159
Entering and Leaving the Service Program Mode
159
Printer Controller Service Mode
160
Controller Service Mode Menus
160
Bit Switch Programming
160
Printer Controller Bit Switch Settings
161
Printer Engine Service Mode
162
Leaving the SP Mode
163
Service Program Mode Tables
164
Feed (SP1000-00)
164
Drum (SP2000-00)
168
Process (SP3000-00)
178
Hdd (Sp4000-00)
179
Mode (SP5000-00)
179
Peripherals (SP6000-00)
183
Data Log (SP7000-00)
184
Test Pattern Printing
187
Test Pattern Table: SP2902-03 Printing Test Patterns
188
Input Check
189
Table 1: By-Pass Feed Table Paper Size
192
Output Check
193
SP5804 Output Check Table
194
Memory All Clear: Sp5801
195
Smc Print out Lists: Sp5990
196
Software Download
197
Downloading the Software
197
Power Failure During Software Download
198
Self-Diagnostic Mode
199
Self-Diagnostic Mode at Power on
199
Self-Diagnostic Test Flow
199
Detailed Self-Diagnostic Mode
200
Dip Switches
201
Controller: DIP SW2
201
I/O Board: DIP SW101
201
Detailed Descriptions
203
Detailed Section Descriptions
205
Overview
205
Component Layout
205
Paper Path
206
Drive Layout
207
Board Structure
208
Block Diagram
208
Controller
210
Printing Process Overview
212
Drum Charge
212
Laser Exposure
212
Development
212
Image Transfer
213
Separation
213
ID Sensor
213
Cleaning
213
Quenching
213
Laser Exposure
214
Overview
214
Auto Power Control (Apc)
215
Dual Beam Writing
216
Laser Beam Pitch Change Mechanism
217
Ld Safety Switches
218
Photoconductor Unit (Pcu)
219
Overview
219
Drive Mechanism
220
Drum Pawls
220
Drum Toner Seals
220
Drum Charge
221
Overview
221
Charge Roller Voltage Correction
222
Correction for Environmental Conditions
222
Correction for Paper Width and Thickness (By-Pass Tray Only)
223
ID Sensor Pattern Production Timing
224
Drum Charge Roller Cleaning
225
Development
226
Overview
226
Drive Mechanism
227
Developer Mixing
227
Development Bias
228
Mechanism
228
Correction for Paper Width and Thickness (By-Pass Tray Only)
228
Toner Supply
229
Toner Bottle Replenishment Mechanism
229
Toner Supply Mechanism
230
Toner Density Control
230
Sensor Control Mode
231
Image Pixel Count Mode
231
Toner Near End/End Detection
232
Standard Method
232
Adjustable Near-End Warning Method
232
Toner End Recovery
233
Toner Supply with Abnormal Sensors
233
Drum Cleaning and Toner Recycling
234
Drum Cleaning
234
Toner Recycling
234
Paper Feed
235
Overview
235
Paper Feed Drive
236
Pick-Up/Separation Roller Release
236
Paper Lift
237
Paper End Detection
238
Paper Registration
238
Paper Size Detection
239
Paper Height Detection
240
By-Pass Tray
241
Overview
241
By-Pass Tray Operation
242
By-Pass Paper Size Detection
243
Duplex Unit
244
Overview
244
Duplex Drive Layout
245
Duplex Basic Operation
246
Larger than A4 Lengthwise/Lt Lengthwise (SEF)
246
Up to A4 Lengthwise/Lt Lengthwise (SEF)
246
Duplex Unit Feed in and Exit Mechanism
247
Feed-In
247
Inversion and Exit
247
Image Transfer and Paper Separation
248
Overview
248
Belt Drive Mechanism
249
Transfer Belt Unit Contact Mechanism
249
Image Transfer and Paper Separation Mechanism
250
Transfer Belt Charge
251
Mechanism
251
Correction for Paper Width and Thickness
252
Transfer Currents to Leading Edge and Image Areas
253
Transfer Belt Cleaning Mechanism
254
G065 Sm
254
Image Fusing and Paper Exit
255
Overview
255
Fusing Drive
256
Fusing Entrance Guide Shift Mechanism
256
Exit Guide Plate and De-Curler Rollers
257
Pressure Roller
257
Cleaning Mechanism
257
Fusing Temperature Control
258
Temperature Control
258
Fusing Idling Temperature
259
Overheat Protection
259
Energy Saver Mode
260
Bridge Unit B397
261
Overall Machine Information
263
Specifications
263
Mechanical Component Layout
264
Electrical Component Layout
265
Electrical Component Description
265
Drive Layout
266
Detailed Description
267
Junction Gate Mechanism
267
Replacement and Adjustment
268
Exit Sensor Replacement
268
Specifications
269
General Specifications
271
Supported Paper Sizes
272
Software Accessories
273
Printer Drivers
273
Utility Software
273
Machine Configuration
274
System Components
274
Installable Option Table
275
Options
276
Bridge Unit
276
1000-Sheet Finisher
276
3000-Sheet Finisher
277
Large Capacity Tray (Lct)
278
Mailbox
278
Paper Tray Unit
278
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Ricoh G065 Specifications
General
Brand
Ricoh
Model
G065
Category
All in One Printer
Language
English
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