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MPS2731mc
Oki MPS2731mc Maintenance Manual
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44952001TH Re
v
.2
3-25
Oki Data CONFIDENTIAL
3.
MFP INST
ALLA
TION
(5)
Plug the othe
r end of the USB cab
le i
nto the compute
r’
s U
SB interf
ace con
nector
.
Impor
ta
nt

•
F
or
Windows
OS
s,
do
not
plug
the
other
end
of
the
USB
c
ab
le
into
the co
mputer unt
il prompte
d while dr
iver inst
allation.

•
Do
notplugtheUSB
cableintothenet
workconnec
tion.
Doing s
o may cause a malfunction.
85
87
Table of Contents
Table of Contents
5
1 Configuration
8
System Configuration
9
Structure of MFP
11
Offer of Options
13
Specifications
14
Interface Specifications
34
Outline of USB Interface
34
USB Interface Connector and Cable
34
USB Interface Signal
34
USB Interface Specification
34
Network Interface Connector and Cable
35
Network Interface Signal
35
Network Interface Specification
35
Outline of Network Interface
35
Outline of Telephone Line Interface
36
Outline of USB Host Interface
36
Telephone Line Interface Connector and Cable
36
Telephone Line Interface Signal
36
Telephone Line Interface Specification (Mc342/Mc362/Mc562/Mc342Dw/Mc362W/Mc562Dw)
36
USB Host Interface
36
USB Host Interface Connector
36
USB Host Interface Signal
36
Wireless LAN Interface (Mc342W/Mc352W)
37
2 Description of Operation
38
Electrophotographic Process Mechanism
39
Printing Process
43
Image Scanning Process
55
Cross-Section View
55
Electrical Configuration
55
Structure and Process of RADF
55
Fundamental Operations
56
Document Detection
59
Document Table Structure
60
Jam Detection
60
Overview
60
Carraige-Assy Drive Mechanism
61
Exposure Block
61
Mfp Installation
62
Precautions and Prohibition
63
MFP Unpacking Procedure
64
MFP Installation Instructions
65
Packed Units and Attachments
66
Assembly Procedure
67
MFP Main Body
67
Power Cable Connection
74
Installation of Optional Components
76
Second Tray Unit
76
Extension Memory Installation
79
16GB SD Memory Card (Mc562/Mc562Dw)
80
Configuration
83
Network Information Print
84
Connection Procedures
85
Checking of User Paper
89
4 Replacement of Parts
90
Notes on Replacement of Parts
91
Part Replacement Procedure
93
Belt Unit
93
Fuser Unit
94
Left Side Cover
94
Right Side Cover
95
CU/PU Board and Low-Voltage Power Supply
96
Front Cover
98
Scanner Unit
100
Tray-Assy-Document / Cover-ADF-R-Assy
101
ADF-Unit
102
Sheet-Document / Paper-Weight-Assy / Spring-PW-ADF
103
Hinge-Assy-L / Hinge-Assy-R
104
Cover-ADF-F / Guide-Assy-Exit-Sub / ADF-Assy / ADF Board
105
Cover-Assy-Top-ADF / Guide-Assy / Roller / Motor / Clutch / Solenoid
107
Cable (ADF-Rev SNS)
108
Guide-A-Sub / Frame-Assy-Separator / Spring-Separator / Rubber-Friction
108
Cable (ADF-Reg SNS)
109
Frame-Assy-OP
109
Frame-OP-Panel / OPE Board (Mc562/Mc562Dw)
110
Frame-OP-Panel / OPE Board (Mc342/Mc362/Mc342Dw/Mc362W)
111
Frame-OP-Panel / OPE Board (MC332/MC352)
112
LCD-Assy
113
Frame-Assy-FB
114
How to Remove Battery (SU Board)
116
Frame-Assy-Hopping-ADF
117
Setting of SW1 and SW2 on MHH Board (SU Board)
118
Face-Up Tray
119
Rear Cover
119
Image Drum Fan and ZHJ Board
120
LED Assembly. and LED Assembly Springs
120
Top Cover and LED Head Cable Assembly
121
Top Cover Assembly
121
MPT Assembly
122
Front Fan, Hopping Motor, Rear Fan, Image Drum Motor and Cover-Open Switch
123
High-Voltage Power Supply Board
124
Guide-Ejection Assembly, Fuser Connector Assembly and Color-Registration Assembly
125
Frame-MPT Assembly and Feeder Assembly
126
Side-L Assembly, Side-R Assembly and Base Assembly
127
Feed Rollers
128
Locations to Lubricate
129
Adf
130
Printer
137
Maintenance Menus
148
Maintenance Menu
149
Service Bit Menu
156
Maintenance Utility
157
Scanner Maintenance Tool
159
Self-Diagnostic Mode
160
Operator Panel
160
Normal Self-Diagnostic Mode (Level 1)
163
Entering Self-Diagnostic Mode (Level 1)
163
Exiting Self-Diagnostic Mode
163
Switch Scan Test
164
Motor and Clutch Test
166
Test Printing
168
Color Registration Adjustment Test
172
Density Adjustment Test
173
Consumable Counter Display
174
Print Counter Display
175
Factory/Shipping Mode Setting
175
Self-Diagnostic Function Setup
176
LED Head Serial Number Display
177
Switch Pressing Function When Power Supply Is Turned on
178
Settings after Parts Replacement
179
Notes on CU/PU Board Replacement
179
Notes on SU Board/Scanner Unit Replacement
182
Manual Density Adjustment Operation
183
Regular Maintenance
184
Recommended Substitutes
185
Cleaning
186
Cleaning LED Lens Array
187
9. Appendix
189
Cleaning the Paper Feed Roller
189
Cleaning the Paper Feed Rollers for MP Tray
190
Cleaning Rollers in the ADF
191
Cleaning the Document Glass
192
7 Troubleshooting Procedures
193
Precautions Prior to Repair
194
Items to be Checked Prior to Taking Action on Abnormal Images
194
Precautions When Taking Action on Abnormal Images
194
Preparations for Troubleshooting
194
Troubleshooting Method
195
LCD Messages List
195
Service Call List
234
Fax Error List
240
Email/Internet FAX Error List
241
Preparing for Troubleshooting
242
LCD Display Trouble
243
LCD Displays Nothing
243
Display of OKI Logo
244
Error Message Display
244
Abnormal MFP Operation after Powered on
244
No Operation
244
Abnormal Sound
245
Abnormal Odor
246
Slow Starting Time
246
Paper Feed Jam (Error Code 391: 1St Tray)
256
Jam Occurs Immediately after the Power Is Turned On. (1St Tray)
256
Feed Jam (Error Code 380)
257
Jam Occurs Immediately after the Power Is Turned on
257
Paper Feed Jam (Error Code 390: Multipurpose Tray)
259
Jam Occurs Immediately after the Power Is Turned on
259
Multipurpose Tray
259
Jam Occurs Immediately after Paper Feed Is Started
259
Paper Running Jam (Error Code 381:)
260
Jam Occurs Immediately after the Power Is Turned on
260
Jam Occurs Immediately after a Paper Is Taken into Printer
261
Jam Occurs in the Middle of Paper Running Path
262
Jam Occurs Immediately after Paper Has Reached the Fuser
262
Paper Unloading Jam (Error Code 382)
263
Paper Unloading Jam Occurs Immediately after the Power Is Turned on
263
Paper Unloading Jam Occurs after a Paper Is Taken into Printer
263
Paper Unloading Jam Occurs in the Middle of Paper Running Path
264
Two-Sided Printing Jam (Error Code: 370, 371, 372, 373, 383)
264
Two-Sided Printing Jam Occurs Immediately after the Power Is Turned on
264
Two-Sided Printing Jam Occurs During Taking in the Paper into Duplex Unit
264
Two-Sided Printing Jam Occurs in the Process of Reversing Paper
265
Two-Sided Printing Jam Occurs During Transporting Paper Inside the Duplex Unit
265
Paper Is Not Supplied from the Duplex Unit to the Regist Roller
265
Paper Size Error (Error Code 400)
265
Jam Occurs When Paper End Is Located Near the IN1 Sensor
265
ID Unit Up/Down Error (Service Call 142)
266
Error Occurs During the up Movement of the ID Unit
266
Error Occurs During the down Movement of the ID Unit
266
Fuser Unit Error (Error 170 to 177)
267
Error Occurs Immediately after the Power Is Turned on
267
Error Occurs Approx. 1 Minute after the Power Is Turned on
267
Motor Fan Error (Error Code 122, 128)
268
The Low Voltage Power Supply Fan Does Not Rotate Immediately after the Power Is Turned on
268
All Fans of the Printer Do Not Rotate
268
Option Unit Cannot be Recognized
268
Option Tray Unit Cannot be Recognized
268
Print Speed Is Slow. (Performance Is Low.)
268
Print Speed Decreases
268
LED Head Cannot be Recognized. (Error Code 131, 132, 133, 134)
269
Service Call 131 to 134 (LED HEAD Missing)
269
Toner Cartridge Cannot be Recognized. (Error Code 540, 541, 542, 543)
269
Error Caused by the Consumable Items
269
Error Caused by the Toner Sensor
269
Error Caused by the Defective Mechanism
270
Fuse Cut Error (Error Codes 153 to 155)
270
Humidity Sensor Error (Error Code 123)
271
Image Problem Troubleshooting
272
Color Is Faint and Fades Across Pages (See Fig. 7-2 A)
273
Color Is Faint and Fades
273
The White Area of Printed Pages Is Dirty (See Fig. 7-2 B)
274
The White Area of Printed Pages Is Dirty (Partially)
274
The White Area of Printed Pages Is Dirty (All Over)
274
Printed Pages Are Blank (See Fig. 7-2 C)
275
A Printed Pages Are Entirely Blank
275
Vertical Lines Are Produced in Printed
275
Fine Lines (Colored) (See Fig. 7-2 D)
275
Fine Lines (White) (See Fig. 7-2 F)
275
Color Misregistration Is Significant
276
The Message "Adjusting Color" Displayed at Power on Stays for a Short Time
276
Although the REG ADJUST TEST Result of the Engine
276
Print Quality Problems Appear Periodically (See Fig. 7-2 E)
276
Print Quality Problems Appear Vertically and Periodically
276
Black Filled-In Printing
277
Printed Pages Are Filled-In Black Entirely
277
Other manuals for Oki MPS2731mc
User Guide
194 pages
Startup Guide
129 pages
4
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Oki MPS2731mc Specifications
General
Brand
Oki
Model
MPS2731mc
Category
All in One Printer
Language
English
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