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MB472w
Oki MB472w User Manual
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Oki Data CONFIDENTIAL
5.
REGULAR MAINTENANCE
45762101TH Re
v
.1
5-4
5.3
Cleaning the F
eed rollers and the Retard roller
(
1
)
P
ower of
f
the MFP
.
Feed roller
(2
)
Pull the tray out.
(3
)
Wipe t
wo paper
feed roll
ers inside the
print
er with
a soft cloth that has
been slightly moistened with water and then squeez
ed well.
Note
!
Use water only
.
193
195
Table of Contents
Contents
4
Configuration
7
System Configuration
8
Structure of MFP
9
Offer of Options
10
Specifications
11
Copy Specifications
13
Scan Specifications
14
FAX Specifications
15
Common Specifications
15
Report Print
16
USB Interface Specification
17
USB Interface Connector and Cable
17
USB Interface Signal
17
Network Interface Basic Specification
18
Network Interface Connector and Cable
18
Network Interface Signal
18
Telephone Line Interface Specification
19
USB Host Interface
19
Wireless LAN Interface
20
Troubleshooting Procedures
21
Precautions Prior to Repair
22
Items to be Checked Prior to Taking Action on Abnormal Images
22
Precautions When Taking Action on Abnormal Images
22
Preparations for Troubleshooting
22
Troubleshooting Method
23
LCD Messages List
23
Warning
34
Error (Enable to Restore)
39
Error (Disable to Restore)
47
Service Call List
50
Fax Error List
53
Email/Internet FAX/FAX Server Error List
54
Preparing for Troubleshooting
55
LCD Display Trouble
56
LCD Displays Nothing
56
Checking Connections
56
Checking for Short Circuit of Power Supply
56
Abnormal MFP Operation after Powered on
57
No Operation
57
Checking Power Supplies
57
Confirmation of the Power Switch LED
58
Abnormal Sound
59
Checking for Loss of Synchronization of Motor (Driver Failure)
59
Checking for Loss of Synchronization of Motor (Load by Consumables)
59
Check for Gear Jumping (Load by Consumables)
59
Abnormal Odor
60
Clearing Paper Jams
61
Checking Error Messages
61
Error Code 372 (Duplex Paper Jam)
62
Error Code 380, 381, 382, 389 (Paper Feed Jam)
64
Paper Discharge Unit (Paper Jammed)
65
Error Code 390 (Paper Feed Jam (Multipurpose Tray))
66
Error Code 391, 392 (Paper Feed Jam)
68
Document Jam Occurred
69
When You Can See the Document in the Duplex Paper Path
69
When You Can See the Document Inside the ADF
69
Paper Feed Jam (Error Code 391: 1St Tray)
71
Does a Jam Error Occur When Turning on the Power?
71
Jam Occurs Immediately after the Paper Feed Is Started. (1St Tray)
71
Check the Paper Feed Roller Rotate
71
Feed Jam (Error Code: 380, 381)
72
Jam Occurs Immediately after the Power Is Turned on
72
Jam Occurs Immediately after the Paper Feed Is Started
72
Paper Feed Jam (Error Code 390: Multipurpose Tray)
73
Check Condition of the Mechanical Parts
73
Check Condition of Paper Running Path
73
Jam Occurs Immediately after Paper Feed Is Started (Multipurpose Tray)
74
Paper Running Jam (Error Code: 381)
75
Two-Sided Printing Jam (Error Code: 372)
75
Paper Size Error (Error Code: 400)
76
Fuser Unit Error (Error Code: 170 to 177)
76
Motor Fan Error (Error Code: 122, 127, 128)
77
Print Speed Is Slow (Performance Is Low)
77
Option Unit Cannot be Recognized
78
LED Head Cannot be Recognized. (Error Code: 134)
78
Toner Cartridge Cannot be Recognized. (Error Code: 543)
79
Fuse Cut Error (Error Code: 153 to 155)
80
Humidity Sensor Error (Error Code: 123)
81
Print Troubleshooting
82
Pale Printing or the Whole Printing Is Faded
82
The White Section Is Dirty
83
White Paper Is Outputted
83
Vertical Black Belt/ Black Line
83
In Case of Error Printing
84
In Case of Inefficient Fusing
84
Vertical White Belt/ White Line
84
Response after Flash Compulsive Initialization
87
Copy Image Abnormality Error Troubleshooting
87
Network Troubleshooting
88
Wireless Troubleshooting
89
Cannot Print through Wireless Network
89
Fuse Checking
90
Fuse Errors
90
Maintenance Menus
91
Service Menu
92
Maintenance Menu
92
Service Bit Menu
99
Additional Fax Setting Menu
99
Maintenance Utility
100
Adjustment Options in Maintenance Utility
100
Self-Diagnostic Mode
101
Operator Panel
101
How to Select the Menu Items
102
Ordinary Self-Diagnostic Mode (Level 1)
104
Entering Self-Diagnostic Mode (Level 1)
104
Exiting Self-Diagnostic Mode
104
Switch Scan Test
105
The Sectional View of Only Printer
105
SWITCH SCAN Details
106
Motor Clutch Test
107
Test Print
109
Consumable Item Counter Display
112
Number of Print Copies Counter Display
112
Switching between the Factory Mode and the Shipping Mode
113
Self-Diagnostic Function Setting
113
LED Head Serial Number Display
114
Adjustment at Part Replacement
115
EEPROM Data Upload / Download Method
115
Switch Pressing Function When Power Supply Is Turned on
116
Settings after Parts Replacement
117
Notes on CU/PU Board (MRM) Replacement
117
Set the CU Serial Number
118
Notes on SU Board (Msu)/Scanner Unit Replacement
120
Replacement of Parts
121
Notes on Replacement of Parts
122
Maintenance Tools
123
Part Replacement Procedure
124
Cover Side (L)
124
Cover Side (R)
125
Board MRM
126
PWR Unit
127
Cover Stay(R) / Cover Stay(L)
128
Cover Front (Top)
129
SW Assy
129
Scanner Unit
130
Tray-Assy-Document / Cover-ADF-R-Assy
132
ADF-Unit
133
Sheet-Document / Paper-Weight-Assy / Spring-PW-ADF
134
Hinge-Assy-L / Hinge-Assy-R
135
Cover-ADF-F / Guide-Assy-Exit-Sub / ADF-Assy / ADF Board (MHD)
136
Cover-Assy-Top-ADF / Guide-Assy / Roller / Motor / Clutch / Solenoid
138
Guide-A-Sub/Frame-Assy-Separator/Spring-Separator/Rubber-Friction
139
Cable (ADF-Rev SNS)
139
Cable (ADF-Reg SNS)
140
Frame-Assy-OP
140
Frame-OP-Panel / OPE Board
141
LCD-Assy
142
Frame-Assy-FB
143
How to Remove Battery (SU Board MSU)
145
Frame-Assy-Hopping-ADF
146
Plate Stay L / Plate Assy Stay R
147
LED Head
148
Frame-Assy-TR
148
Duplex Belt Assy
149
DC Motor
149
Hopping Clutch / MPT Clutch / Regist Clutch
151
HV-Board / Motor-FAN
154
Cover Assy Stacker
155
Stacker Cover
156
Fuser Assy
157
MPT Assy
158
Cover Assy Rear
159
Guide Eject Lower Assy
161
Eject Motor
162
Plate Side R Assy / Plate Side L Assy / Front Assy
163
Plate Side L Assy
164
Plate Side R Assy
165
Roller Regist
166
Roller Feed Assy
166
Lever in Sensor / Lever WR Sensor / Photo Interrupter
167
Paper Feeding Roller (Roller-Pick-Up, Roller-Feed-NOW)
168
Paper Feeding Roller (Roller-Assy-MPT)
169
Frame-Assy-Retard, Spring-Retard
170
W-LAN Board ( for Mb472Dnw)
171
Lubrication Point
172
Printer
173
Plate-Assy-Side-L
173
Plate-Assy-Side-R
173
Frame-Assy. -Hopping
174
1 Frame-Assy. -Regist
174
Frame-Assy. -Regist
175
Front-Assy
175
Frame-Assy. -MPT
176
Guide-Assy-Eject-U
177
Duplex-Assy
180
Fuser-Assy
180
Printer-Unit
181
Cover-Assy-Stacker
181
Cassette-Assy (250Sht)
182
Scanner
183
Mfp Nip-Fn307
183
Gear-Idle-Assy
183
ADF-Assy
184
Hinge-Assy-L/R
187
Tray-Assy-Document
188
Roller-Assy-Eject-ADF
189
Guide-Assy-Top-B
190
Guide-Assy-A
190
Periodic Maintenance
191
Cleaning
192
Cleaning of LED Lens Array
193
Cleaning the Feed Rollers and the Retard Roller
194
Cleaning the MPT Feed Rollers
196
Cleaning Rollers in the ADF
198
Cleaning the Document Glass
199
Connection Diagrams
200
Connection Diagram
201
Board Layout
203
Resistance Value
214
Firmware Information
216
ROM Control Numbers
216
Instruction of FW Update
216
Checking and Indication of the Revision Number
217
Stamp of Maintenance Board Indication
217
Appendix
218
List of Initialized Range
219
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Oki MB472w Specifications
General
Brand
Oki
Model
MB472w
Category
All in One Printer
Language
English
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