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Ricoh
All in One Printer
MF4
Ricoh MF4 User Manual
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Transport/Fusing Motor
1.
Rear cover (
page 32 "Rear Cover"
)
2.
Left cover (
page 35 "Left Cover"
)
3.
Disconnect the fusing connector [A] and remove the fusing relay harness [B] (2 hooks).
4.
Fusing harness guide [C] (
× 2)
5.
Duplex timing belt [D]
4. Replacement and Adjustment
90
91
93
Table of Contents
Safety Notices
3
Important Safety Notices
3
Prevention of Physical Injury
3
Health Safety Conditions
3
Observance of Electrical Safety Standards
3
Safety and Ecological Notes for Disposal
3
Laser Safety
4
Symbols, Abbreviations and Trademarks
5
Trademarks
5
Table of Contents
6
1 Product Information
13
General Specifications
13
Supported Paper Sizes
14
Machine Overview
15
Component Layout
15
Engine (M199/M200)
15
Engine (M203/M204)
16
ADF (Only for M203/M204)
17
Scanner (Only for M203/M204)
17
Paper Path
18
ADF (Only for M203/M204)
18
Drive Layout
19
Machine Configuration
21
Printer Model (M199/M200)
21
MF Model (M203/M204)
21
Guidance for those Who Are Familiar with Predecessor Products
22
2 Installation
23
Installation Requirements
23
Environment
23
Machine Level
24
Machine Space Requirements
24
Printer Models (M199/M200)
24
MF Models (M203/M204)
25
Power Requirements
25
Installation Procedure
26
3 Preventive Maintenance
27
4 Replacement and Adjustment
29
Before You Start
29
General Precautions
29
Aio
29
Laser Unit
30
Transfer Roller
30
Fusing
30
Paper Feed
30
Scanner Unit (for M203/M204)
30
Releasing Plastic Latches
31
After Servicing the Machine
31
Lithium Batteries (MF Models)
32
Special Tools
33
Exterior Covers
34
Rear Cover
34
Rear Cover (Printer Models)
34
Rear Cover (MF Models)
35
Right Cover
36
Left Cover
37
Front Cover Unit
38
Scanner Unit (Only for MF Models)
40
Scanner Unit
40
ADF (Only for MF Models)
44
ADF Unit
44
Original Tray
45
ADF Pick-Up Roller
45
ADF Feed Roller
46
ADF Separation Pad
47
ADF Front Cover
47
ADF Rear Cover
48
ADF Motor
49
ADF Top Cover
50
Document Sensor
51
ADF Feed Sensor
54
Laser Unit
55
Caution Decal Locations
55
Laser Optics Housing Unit
55
After Replacing the Laser Optics Housing Unit
59
Printing out the Test Chart to Make Sure MUSIC was Performed Correctly
60
Checking that MUSIC was Performed Correctly
62
If MUSIC Has Not Been Performed Successfully
62
AIO Cartridge (All in One Cartridge)
64
AIO Cartridge
64
Black AIO Motor
64
Color AIO Motor
67
Image Transfer
70
Image Transfer Belt Unit
70
After Replacing the Image Transfer Belt Unit
71
ITB (Image Transfer Belt) Cleaning Unit
71
Agitator Motor
72
ITB (Image Transfer Belt) Contact Motor
74
ITB (Image Transfer Belt) Contact Sensor
75
TM (Toner Mark) Sensor Base
76
Waste Toner Bottle Set Sensor
77
Waste Toner Overflow Sensor
79
Paper Transfer
80
Transfer Unit
80
Transfer Roller
80
Registration Roller
82
Reassembling the Registration Roller Unit
83
Registration Sensor
83
Registration Clutch
84
Image Fusing
85
Fusing Unit
85
Fusing Lamp
87
When Reinstalling the Fusing Lamp
90
When Reassembling the Fusing Unit
91
Transport/Fusing Motor
92
Paper Feed
94
Paper Feed Clutch
94
Paper Feed Roller
94
Separation Pad
95
Paper End Sensor
96
Paper Exit
98
Paper Exit Roller
98
Paper Exit Sensor
99
Electrical Components
101
Controller Board
101
Controller Board (Printer Models)
101
Controller Board (MF Models)
102
EGB (Engine Board)
104
EGB (Printer Models)
104
EGB (MF Models)
106
FCU (Only for MF Models)
108
Operation Panel
109
Opu
112
OPU (Printer Models)
112
OPU (MF Models)
112
Wi-Fi Board
113
Interlock Switches
114
Fusing Fan Motor
115
Fusing Stripper Pawl Solenoid
116
Fusing Pressure Release Sensor
119
LSU Fan Motor
119
ID Chip Board
120
Psu
121
High Voltage Power Supply Board
123
Temperature/Humidity Sensor
124
Duplex Motor
124
Speaker (Only for MF Models)
127
Eeprom
128
Checking that MUSIC was Performed Correctly
130
5 System Maintenance Reference
131
Service Menu
131
Overview
131
Menu Mode
131
Special Mode
131
Maintenance Mode Menu (MF Models)
132
Menu List
132
Service Mode (Printer Models)
144
Menu List
144
Fax Service Test Menu (Only for MF Models)
148
Entering the Fax Service Test Menu
148
Selecting an Item
148
Going into the Next Level/ Returning to the Previous Level
149
Exiting the Maintenance Mode Menu
149
Menu List
149
Size Mismatch Detection Menu
150
Entering the Size Mismatch Detection Menu
150
Configuration, Maintenance and Test Page Information
151
Overview
151
To Print the Configuration Page/ Test Page/ Maintenance Page (Printer Models)
151
To Print the Configuration Page/ Maintenance Page (MF Models)
151
Error Log
152
Counter and Coverage (Only for Printer Models)
152
Configuration Page
152
Firmware Updating
154
Checking the Machine Firmware Version
154
To Print the Configuration Page (Printer Models)
154
To Print the Configuration Page (MF Models)
154
Updating the Controller Firmware
154
Procedure
155
Updating the Engine Firmware
157
Boot Loader Firmware
160
6 Troubleshooting
161
Service Call Conditions
161
Summary
161
Engine SC
161
SC 1Xx (Other Error)
161
SC 2Xx (Laser Optics Error)
162
SC 3Xx (Charge Error)
163
SC 4Xx (Image Transfer and Transfer Error)
164
SC 5Xx (Motor and Fusing Error)
166
SC 6Xx (Communication and Other Error)
170
Controller SC
171
Sc8Xx
171
Error Codes
172
Overview
172
Error Codes List
172
Fax Error Code Definition (Only for MF Models)
176
Basic Error Code Structure
176
Error Code Table
177
The Following Information Is also Included in the User Guide
180
Fax Error Clear Principle (Only for MF Models)
184
Image Problems
185
Overview
185
Image Problem
185
7 Environmental Conservation
187
Energy Saving
187
Energy Saver Modes
187
Timer Settings (Printer Models)
188
Paper Save
190
Controller Specifications
206
User Replaceable Items
213
Yield Items and Service Maintenance
213
Exchange and Replace Procedure
215
Cleaning Points after Machine Arrival at Depot
215
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Ricoh MF4 Specifications
General
Brand
Ricoh
Model
MF4
Category
All in One Printer
Language
English
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