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All in One Printer
MB760
Oki MB760 Service Manual
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45641001TH Re
v
.1
2-3 /
Oki Data CONFIDENTIAL
2.1.2
GD-1340 (F
ax unit)
Ref
er to
P
.
6-9
“6.1.6F
AXunit”.
2.1.3
MY
-1046 (P
aper f
eed pedestal)
(1)
Press the [P
ow
er] button on the control panel to shut it do
wn.
(2)
T
urnthemainpowers
witchoftheequipmentoff
.
(3)
Disconnect the po
wer cab
le.
(4)
Remo
v
e 2 screws and tak
e off 2 fixing br
ack
ets.
Fig.
2-6
(5)
Lifttheequipmentupandremo
v
ethepaperf
eedpedestal.
Fig.
2-7
19
21
Table of Contents
Default Chapter
1
Service Manual
1
Table of Contents
10
1 Specifications/System List
15
HDD Memory Map
16
System List
17
2 Disassembly and Replacement
18
GD-1340 (Fax Unit)
20
GR-1170 (Caster)
21
GR-1160 (Spacer)
22
MJ-1039 (Offline Stapler)
23
3 Self-Diagnostic Mode
24
Service UI
28
SERVICE MODE] Screen
29
Input Check (Test Mode 03)
30
Output Check (Test Mode 03)
31
Test Print Mode (Test Mode 04)
32
Operation Procedure in Adjustment Mode (05)
33
Test Print Pattern in Adjustment Mode (05)
35
Operation Procedure in Setting Mode (08)
36
Assist Mode (3C)
38
HDD Assist Mode (4C)
41
Functions
43
File System Recovery Mode (5C)
45
Functions
46
SRAM Clear Mode (6C)
50
Functions
51
Operation Procedure
52
List Printing
53
Error History
55
Power-ON/OFF Log
57
4 Setting / Adjustment
60
Image Related Adjustment
60
Image Dimensional Adjustment
61
Image Dimensional Adjustment in the Copy/Printer/Fax Function
62
Image Quality Adjustment (Copying Function)
63
Density Adjustment
64
Gamma Balance Adjustment
65
Background Adjustment
66
Sharpness Adjustment
67
Adjustment of Smudged/Faint Text
68
Image Quality Adjustment (Printing Function)
70
Upper Limit Value in the Toner Saving Mode
71
Density Adjustment of Graphic Lines (1200 Dpi)
72
Image Quality Adjustment (Scanning Function)
73
Density Adjustment
74
Background Adjustment (Color Mode)
75
Judgment Threshold for ACS (Common for Copy and Network Scan)
76
Fine Adjustment of Black Density
77
Adjustment of Saturation
78
Adjustment of the Capacity and Image Quality of Slimpdf
79
JPEG Compression Level Adjustment
80
Color Conversion Table Selection
81
Image Quality Adjustment (FAX Function)
82
5 Error Code and Troubleshooting
84
General Descriptions
84
Collection of Debug Logs with a USB Device
85
Error Code List
87
Service Call
88
Error in Internet FAX / Scanning Function
91
Printer Function Error
100
Web Page Related Error/Communication Error with External Application
102
MFP Access Error
103
Maintenance Error
104
Network Error
105
Error History
108
Diagnosis and Prescription for each Error Code
110
Paper Jam in Finisher Section
111
Finisher Related Service Call
115
Communication Related Service Call
123
Scanner Related Service Call
125
Circuit Related Service Call
126
Other Service Call
127
Error in Internet FAX / Scanning Function
150
Printer Function Error
162
Web Page Related Error/Communication Error with External Application
165
MFP Access Error
169
Maintenance Error
171
Network Error
176
Other Errors
186
6 Replacement of Pc Boards/Hdd
187
Removal and Installation of PC Boards/Hdd
187
SYS Board Cover
190
SYS Board
191
Hard Disk (HDD)
192
SRAM Board <For SYS Board>
194
FAX Unit
195
Precautions, Procedures and Settings for Replacing PC Boards and HDD
196
HDD Fault Diagnosis
197
Precautions and Procedures When Replacing the HDD
199
Replacing the HDD
200
Precautions and Procedures When Replacing the SYS Board
204
Precautions and Procedures When Replacing the PU Board
214
License Re-Registration Using the One-Time Dongle
215
Precautions for Installation of GP-1070 and Disposal of HDD/ Board
217
7 Remote Service
218
Setting Procedure
221
Order Sheet Format
230
Service Notification
234
Items to be Notified
240
8 Firmware Updating
251
Firmware Updating with USB Device
253
Update Procedure
255
Patch Updating with USB Device
263
Update Procedure
265
Firmware Updating with PWA-DWNLD-JIG2
270
Writing the Data to the Download Jig (PWA-DWNLD-JIG2)
271
System Firmware
273
Firmware Updating with K-PWA-DLM-320
275
FAX Unit Firmware (GD-1340)
276
Confirmation of the Updated Data
278
When Firmware Updating Fails
279
Flow Chart for Correcting USB Update Failure
280
9 Backup FUNCTION
282
Backup Files
283
AES Data Encryption Function Setting
286
Setting Procedure
287
Procedure for Disabling Data Encryption Function
291
High Security Mode
292
Precautions
293
10 External Counters
294
Details of the Signals
296
Notices
298
11 Self-Diagnosis Code (03/05/08 Code)
299
Adjustment Mode (05) Codes
301
Setting Mode (08) Codes
317
Other manuals for Oki MB760
Material Safety Data Sheet
52 pages
Maintenance Manual
9 pages
How-To
6 pages
4
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Oki MB760 Specifications
General
Brand
Oki
Model
MB760
Category
All in One Printer
Language
English
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