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magicolor 5550
Konica Minolta magicolor 5550 Service Manual
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SER
VICE MANU
AL
2006.11
V
er
.
1.0
2006.11 V
er
.1.0
© 2006 K
ONICA MINOL
T
A BUSINESS
TECHNOLOGIE
S, INC
.
THEOR
Y OF OPERA
TION
Printed in Japan
DD
A011-A-TE1
Use of this manual should be strictly super
vised to
av
oid disclosure of confidential inf
or
mation.
THEOR
Y OF OPERA
TION
magicolor 5550
magicolor 5570
magicolor 5550
magicolor 5570
®
®
magicolor 5550
magicolor 5570
magicolor 5550
magicolor 5570
®
®
2
Table of Contents
Theory of Operation Total
2
Table of Contents
2
Safety and Important Warning Items
4
Important Notice
4
Description Items for Danger, Warning and Caution
4
Safety Warnings
5
Connection to Power Supply
7
Handling of Consumables
13
Internal Laser Radiation
16
Laser Caution Label
19
Laser Safety Label
19
Precautions for Handling the Laser Equipment
20
Warning Indications on the Machine
21
Measures to Take in Case of an Accident
24
Composition of the Service Manual
26
Notation of the Service Manual
27
Main Body
28
Revision History
29
Section 2
30
Outline
36
1 System Configuration
36
2 Product Specifications
37
3 Section Configuration
40
4 Media Path
41
5 Image Creation Process
42
Duplex Option
146
Composition/Operation
44
6 Overall Composition
44
Timing Chart at Main Body Powerup
44
Control Block Diagram
45
7 Write Section
46
Composition
46
Operation
47
Laser Exposure Process
47
Overview
47
Laser Emission Area
48
Laser Emission Timing
48
Laser Light Intensity Control
49
Registration Correction Control
49
8 Toner Supply Section
50
Composition
50
Drive
51
Operation
52
Toner Cartridge Capacity
52
Toner Conveying Mechanism
52
Toner Collecting Port Shutter Mechanism
53
Toner Replenishing Mechanism
54
Toner Level Detection
55
Toner Near-Empty Condition Detection
55
Toner Empty Condition Detection
56
Toner Empty Condition Detection Control
56
Toner Cartridge Life Control
57
9 Print Unit Section (Overall Composition)
58
Composition
58
Operation
59
Print Unit Life Control
59
Print Unit Life Detection
59
10 Print Unit Section (Photo Conductor)
60
Composition
60
Drive
60
Operation
61
Photo Conductor Drive Mechanism
61
Photo Conductor Post-Exposure Control
62
Photo Conductor Small Amount Rotation Control
62
Photo Conductor Total Exposure Control Upon Recovery
62
11 Print Unit Section (Charge Corona)
63
Composition
63
Operation
64
Charge Corona Unit ON/OFF Control
64
Output During Post-Process
64
Output During Pre-Process
64
Ozone Ventilation Mechanism
65
12 Print Unit Section (Developing)
66
Composition
66
Operation
67
Developing Drive Control
67
Toner Collecting Port Shutter Mechanism
68
Toner Flow
69
Developing System
70
Cleaning Mechanism
71
Toner Collecting Port Shutter Mechanism
71
13 Transfer Section (1St Transfer)
72
Composition
72
Drive
73
Operation
74
1St Transfer Output Control
74
1St Transfer Roller Pressure/Retraction Control
74
1St Transfer Roller Pressure Operation
75
1St Transfer Roller Retraction Operation
76
1St Transfer Roller Pressure/Retraction Position Control
77
Transfer Belt Cleaning Mechanism
78
1St Transfer Belt Backward Rotation Control
79
1St Transfer Belt Cleaning Control
79
Toner Collecting Port Shutter Mechanism
80
14 Transfer Section (2Nd Transfer)
81
Composition
81
Drive
82
Operation
82
2Nd Transfer Roller Pressure Mechanism
82
2Nd Transfer Roller Pressure Position Deviation Preventive Mechanism
84
2Nd Transfer Voltage Control
85
2Nd Transfer Voltage Setting Control (ATVC: Auto Transfer Voltage Control)
85
2Nd Transfer Roller Cleaning Control
86
15 Waste Toner Collecting Section
87
Composition
87
Drive
88
Operation
89
Waste Toner Collecting Mechanism at the 1St Transfer Section
89
Toner Flow at the 2Nd Transfer Section
90
Toner Collecting Port Shutter Mechanism at the Suction Transport Unit
91
Toner Collecting Port Shutter Mechanism of the Waste Toner Bottle
91
Waste Toner Box Locked Position Detection Mechanism
92
Waste Toner Box Locking Mechanism
92
Waste Toner Box-In-Position Detection Mechanism
93
Waste Toner Flow in the Waste Toner Box
93
Waste Toner Full Condition Detection Control
94
Waste Toner Near-Full Condition Detection Control
94
16 Media Feed Section (Tray 1)
95
Composition
95
Drive
96
Operation
96
Media Lift Plate Mechanism
96
Media Feed Control
97
Media Separation Mechanism
97
Media Empty Condition Detection Control
98
Edge Guide Plate
99
Media Misfeed Detection Control
99
17 Media Feed Section (Tray 2)
100
Composition
100
Drive
101
Media Separation Mechanism
102
Media Supply Level Detection Control
103
Edge Guide Plate
104
Tray Open/Close Detection Control
105
18 Conveyance Section (IDC Sensor)
106
Drive
107
IDC Sensor Calibration Control
108
19 Conveyance Section (Registration Roller)
109
Operation
110
Control of Loop Formed before Registration Roller
111
Control of Loop Formed before 2Nd Transfer
112
Control of Loop Formed before Fusing Section
113
Media Neutralization
114
OHP Transparencies Detection Control
115
Media Size Error Detection Control
116
Conveyance System Media Misfeed Detection Control
117
Remaining Media Detection Control When the Main Power Switch Is Turned on
119
20 Fusing Section
120
Drive
121
Operation
122
Fusing Pressure Roller Drive Control
123
Fusing Temperature Control
128
Fusing Temperature Control Management
129
Warm-Up Control
130
Post-Warm-Up Control
132
Proactive Control
133
Post-Print Control
134
PPM Control
135
Protection against Abnormally High Temperature
136
21 Image Stabilization Control
138
Simplified Correction Control
139
Image Stabilization Control Execution Request
140
Combination and Execution Sequence of Different Sub-Controls
141
22 Miscellaneous
142
Control
143
Section 3
148
1 Product Specifications
150
Outline
150
Composition/Operation
152
Lower Feeder Unit
162
2 Overall Composition
152
3 Center Cross Section
153
4 Drive System
154
5 Mechanical Operations
155
Reversing Mechanism
155
Media Exit Roller Drive Coupling Mechanism
155
Reverse Motor Control
155
Reversing Operation
155
Conveyance and Duplex Media Feed Mechanism
156
Conveyance and Duplex Media Feed Operation
156
Transport Motor Control
156
2-Sided Printing Method
157
Process of 2-Sided Printing with a Single Sheet of Media Resident in the System
157
Process of 2-Sided Printing with Two Sheets of Media Resident in the System
159
Section 4
164
1 Product Specifications
166
Outline
166
Composition/Operation
168
Staple Finisher
176
2 Overall Composition
168
3 Drive
169
4 Operations
169
Media Feed Control
169
Media Lift Plate Mechanism
169
Feed Roller/Vertical Transport Roller Control
170
Media Separation Mechanism
171
Media Detection Mechanism
171
Media Supply Level Detection Control
172
Media Empty Condition Detection Control
172
Edge Guide Plate
173
Trailing Edge Guide Plate
173
Media Size Detection Control
174
Media Reference Position Adjustment Mechanism
175
Media Misfeed Detection Control
175
Section 5
178
Outline
180
1 Product Specifications
180
2 Media Path
183
Feeding Media to the Main Tray
183
Feeding Media to the Sub Tray
183
Composition/Operation
184
3 Composition
184
4 Drive
185
5 Operations
186
Transport Unit Section
186
Media Transport
187
Transport Roller Drive Mechanism
188
Transport Roller Slip Mechanism
188
Transport Cover Open/Close Detection
189
Sub Tray Transport Section
190
Entrance Switch
191
Media Transport
192
Media Full Detection
193
Finisher Cover Open/Close Detection
194
Main Tray Transport Section
195
Entrance Switch
196
Media Transport
197
Upper Exit Roller Up/Down Motion Mechanism
198
Storage Section
199
Media Aligning Mechanism
199
Finishing Tray Media Full Detection on Staple Mode
201
Aligning Belt Up/Down Mechanism
202
Aligning Plate Mechanism
203
Exit Mechanism
204
Media Ejector Mechanism
206
Main Tray Section
207
Main Tray Ascent/Descent
208
Media Level Detection Mechanism
209
Media Holding Mechanism
210
Media Full Detection
211
Staple Section
212
Stapling Mechanism
212
Staple Sheet Empty Detection
213
Stapling Position
213
Other manuals for Konica Minolta magicolor 5550
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Konica Minolta magicolor 5550 Specifications
General
Brand
Konica Minolta
Model
magicolor 5550
Category
Printer
Language
English
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