Home
Mita
All in One Printer
PointSource Ai 5555
Mita PointSource Ai 5555 - User Manual
285 pages
Manual
Specs
Ask a question
Save Page as PDF
To Next Page
To Next Page
Loading...
SER
VICE
MANUAL
Published in July ’98
5A870761
Revision 1
R
P
oin
t
Sour
ce
Ai 5555
Point
Source
Ai 5555
2
Table of Contents
Main Page
Table of Contents
9
1. Process
13
Outline and Composition
14
Image Read Mechanism
15
Outline
15
Image Processing
16
Outline
16
Analog Processing
16
A/D Conversion
16
Shading Correction
16
Brightness/Density Conversion
17
AE Processing
17
Text/Dot Pattern Identification
17
Filtering
17
Magnification Processing
18
Reversal Processing
19
Copy Γ Correction
19
Selector, SGU
19
Write Density Control
19
Error Diffusion Processing
19
Image Compression Processing
19
Memory
19
Two-Beam Control
19
Image Write
20
Outline
20
Collimator Lens
21
Beam Combining Prism
21
Compression Prism
21
Fine Adjustment Prism
21
Polygon Mirror
21
Fθ Lens
21
Cylindrical Lenses
22
Index Sensor
22
Image Formation
23
Charging
23
Exposure
23
Developing
23
Transfer
23
Separation
24
Cleaning
24
Pcl
24
2. Main Body
25
Main Body
25
Outline of the System
28
Product Specifications
29
Center Cross-Section
31
Drive System Diagram
32
Main Drive
32
Drum/Developing Drive
33
Paper Feed Drive
34
ADU Paper Feed/Conveyance Drive
35
ADU Paper Exit/Conveyance Drive
36
1000-Tray Paper Feed/Conveyance Drive
37
1000-Tray Paper Feed/Conveyance Drive . 2
37
1500-Tray Paper Feed/Conveyance Drive
38
1500-Tray Paper Feed/Conveyance Drive . 2
38
External Section
39
Composition
39
Disassembly and Re-Assembly
39
Drive Section
42
Composition
42
Disassembly and Re-Assembly
42
Mechanisms
42
M1 (Main) Control
44
M4 (Drum) Control
44
Read Section
45
Composition
45
Disassembly and Re-Assembly
45
Mechanisms
45
M12 (Optics Drive) Control
51
Exposure Control
55
APS Control
56
Original Read Control
56
AES Control
58
Write Unit
59
Composition
59
Mechanisms
59
Disassembly and Re-Assembly
60
M5 (Polygon) Control
62
Image Write Control
64
Drum Unit
67
Composition
67
Mechanisms
67
Disassembly and Re-Assembly
68
PCL/TSL Control
71
Separation Claw Control
71
Paper Guide Plate Control
72
Corona Unit Section
73
Composition
73
Mechanisms
73
Disassembly and Re-Assembly
74
Charging Control
78
Transfer/Separation Control
79
M7 (Charging Wire Cleaning) Control
80
M8 (Transfer/Separation Wire Cleaning) Control
81
Developing Unit
82
Composition
82
Mechanism
82
Disassembly/Assembly
83
M3 (Developing Drive) Control
85
Developing Bias Control
86
M35 (Agitator Screw) Control
86
Toner Density Control
87
Dmax Control
88
Gradation Correction Control
89
FM30 (Developing Suction) Control
90
Toner Supply Unit
91
Composition
91
Mechanisms
91
Disassembly and Re-Assembly
92
Toner Level Detection Control
93
Cleaning/Toner Recycle Unit
94
Composition
94
Disassembly and Re-Assembly
94
Mechanisms
94
MC10 (Cleaner) Control
97
MC10 (Cleaner)Control
97
Paper Feed Unit
98
Composition
98
Mechanisms
98
Disassembly and Re-Assembly
100
Paper Feed Control
111
Paper Up-Down Control
113
Paper Size Detection Control
114
No Paper Detection Control
116
Lct-1000 Tray Paper Feed/Conveyance Section
117
Composition
117
Mechanisms
117
Disassembly and Re-Assembly
118
1000 Tray Paper Feed/No Paper Detection Control
121
Lct-1500 Tray Paper Feed/Conveyance Section
122
Composition
122
Mechanisms
122
Disassembly and Re-Assembly
123
1500 Tray Paper Feed/No Paper Detection Control
126
Lct Paper Tray Section
127
Composition
127
Mechanisms
127
Disassembly and Re-Assembly
128
Tray Up-Down Control
131
Adu Paper Exit/Conveyance Section
132
Composition
132
Mechanisms
132
Disassembly and Re-Assembly
133
Selector Guide
134
ADU Cooling Fan Control
135
Adu Paper Feed/Conveyance Section
136
Composition
136
Mechanisms
136
Disassembly and Assembly
138
Paper Feed/Reversal Control
142
Conveyance Control
143
Conveyance Section
144
Composition
144
Mechanisms
144
Disassembly and Re-Assembly
145
FM14 (Conveyance Suction) Control
147
SD5 (Conveyance) Control
147
Fixing Unit
148
Composition
148
Mechanisms
148
Disassembly and Re-Assembly
151
Fixing Temperature Control
162
Other Kinds of Control
164
Parts that Operate When the Main Switch Is Turned
164
Parts through Which Current Flows When the Main Switch Is Turned off
164
Switch Is Turned
164
Cooling Fan Control
165
Operation Panel Control
167
Counter Control
168
Option Control
169
3. Diagrams
170
Diagrams
170
Electrical Parts Layout Drawing
171
Connector Layout Drawing
174
Overall Wiring Diagram
177
Jam List
181
Paper Jam
181
Trouble Codes
190
List of Unplugged Connector (Reference Only)
198
Paper Jamming
198
Trouble Codes
199
Others
200
Timing Chart
201
" × 11", Life Size, Two
201
Timing Chart (A4, Life Size, Two Copies, Upper Paper Feed)
201
Adu Timing Chart
202
4. Adjustment
203
Adjustment
204
Adjustments When Replacing Parts
204
How to Use the Adjustment Section
204
Structure
204
Setting and Adjustment with P Function
206
Setting Method of P Function
206
Checking the Total Count
206
Checking the PM Count/Starting Date
206
Checking the Drum Count
206
Checking the Developing Count
206
Checking the Density Shift (Text/Photo)
206
Checking the Density Shift (Text)
207
Checking the Density Shift (Photo)
207
Checking the Density Shift (INCREASE CONTRAST)
207
Printing User Data
207
Mode
208
Setting Method
208
Setting Software DIP SW
208
Setting Tray Size
215
PM Count Reset
216
Setting PM Cycle
216
Data Collection
219
Copy Count by Parts to be Replaced
223
Setting Key Operator Password
226
Setting EKC Master Key Code
227
Setting Weekly Timer Master Key Code
228
Specifying Phone Number of Service Center
228
Setting and Displaying Serial Number
229
Displaying ROM Version
230
Mode Adjust Item List
231
Mode
232
Setting Method
232
Charging Corona Current Adjustment
232
Transfer Current Adjustment
232
Separation (AC) Current Adjustment
232
Separation (DC) Current Adjustment
232
Developing Bias Adjustment
232
Charging Grid Voltage Adjustment
233
Paper Feed Loop Adjustment
237
Centering Adjustment
239
Laser Adjustment
241
Test Pattern Density Setting
258
Service Data Output
258
Mode
259
L Detection Adjustment
259
5. Radf
260
Product Specifications
261
Center Cross-Sectional Drawing
262
Externals
262
Drive Section
263
Paper Feed Section
264
Composition
264
Mechanisms
264
Disassembly and Re-Assembly
265
Conveyance Section
272
Composition
272
Mechanisms
272
Disassembly and Re-Assembly
273
Reversal Section
277
Composition
277
Mechanisms
277
Adjustments
280
Electrical Parts Layout Drawing
281
Connector Layout Drawing
282
Radf Timing Chart
284
Radf Timing Chart (A4, Two Side Originals, Two Sheets Set)
284
Need help?
Do you have a question about the Mita PointSource Ai 5555 and is the answer not in the manual?
Ask a question
Mita PointSource Ai 5555 Specifications
General
Brand
Mita
Model
PointSource Ai 5555
Category
All in One Printer
Language
English
Need help?
General
To Next Page