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All in One Printer
MB280
Oki MB280 Service Manual
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PRINTER 3000 304 99
5 - 01
2-20
2.6PSU
(KNO
WN AS ‘POWER SUPPLY UNIT’ IN THE PARTS CATALOG)
2.6.1PSU REMO
V
A
L
Preparation
1) Rem
ove the upper unit. (See Upper Unit Rem
oval.)
2)
Rem
ove t
he paper t
ray.
3)
Rem
ove the t
oner
cartridge.
4) Rem
ove the right & left s
hield (
*
2.5.
3).
[A
]: PSU
(9 s
crews &
4 c
onnect
ors)
G182R042
.JPG
[A]
42
Table of Contents
Default Chapter
2
Table of Contents
2
1 Detailed Section Descriptions
4
Component Layout
4
Mechanical Components
4
Printer Model-L1
4
Printing
5
Printing Processes Around the Drum
5
Charge
6
Laser Exposure
7
Overview
7
Block Diagram
8
Error Conditions
8
G191
8
Development
9
Overview
9
Toner End Detection
11
Transfer and Separation
12
Cleaning Mode
12
Overview
12
Service Manual Technical Document
12
Drum Cleaning
13
Paper Feed and Registration
14
Overview
14
Paper Feed Drive Mechanism
15
Paper Feed Operation
16
Registration
17
Paper End Detection
18
Jam Detection
19
Fusing
20
Overview
20
Power Save Control
21
Cover Switch
22
Paper Feed Drive Release and Fusing Drive Release
23
2 Replacement and Adjustment
24
Paper Cassette
25
Side Fence
25
Bottom Plate
26
Friction Pad
26
Laser Unit
27
Fusing Area
29
Fusing Unit
29
Paper Exit Assembly
30
Fusing Lamp and Hot Roller
31
Fusing Lamp
31
Hot Roller
32
Pressure Roller
33
Thermistor
34
Hot Roller Strippers
34
Thermostat
35
Paper Feed
36
Paper Feed Roller Removal
36
Registration Roller
38
(Also Known as 'Roller Driven' in the Parts Catalog)
38
Printer Model-L1
38
Others
39
Transfer Roller
39
Fan Motor
40
Main Motor Removal
40
Discharge Lamp Assy
42
Psu (Known as 'Power Supply Unit' in the Parts Catalog)
43
Other manuals for Oki MB280
User Guide
84 pages
Quick Start Guide
2 pages
4
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Oki MB280 Specifications
General
Brand
Oki
Model
MB280
Category
All in One Printer
Language
English
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