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MX-3111U
Sharp MX-3111U Service Manual
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MX-3610N EXTERNAL VIEW AND INTERNAL STRUCTURE 3 – 3
1
12.
Gates
A.
18cpm/20cpm/23cpm/2
6cpm/31cpm ma
chine
No.
Name
Function/Operation
1
Switchback gate
Switchbacks paper to tr
ansport it to the ADU section.
2
Paper exit gate
Switchbacks paper to transport it to the right p
aper exit tray
.
3
Document reverse gate
Reverses a document when scanning images on the back surface.
2
1
3
63
65
Table of Contents
Default Chapter
1
Contents
1
Service Manual
1
Table of Contents
2
Symbols in this Manual
3
General
3
Note for Servicing
5
Precautions for Servicing
5
Note for Installing Site
5
Warning for Servicing
5
Note for Handling PWB and Electronic Parts
6
Place of Direct Sunlight
6
Place of Much Dust
6
Place Near a Wall
6
Note for Repairing/Replacing the LSU
7
Note for Handling the Drum Unit, Transfer Unit, Developing Unit
7
Screw Tightening Torque
7
Tapping Screws (for Iron)
7
Product Outline
8
System Diagram
8
20Cpm Machine
9
23Cpm/31Cpm(G) Machine
10
26Cpm/36Cpm/31Cpm(A) Machine
11
Option List
12
Consumable Parts
13
18Cpm Machine
13
Supply System Table
13
Maintenance Parts List
19
Definition of Developer/Drum Life End
31
Environmental Conditions
33
OPC Drum
33
Production Number Identification
33
Toner Cartridge
33
External View and Internal Structure
34
18Cpm/20Cpm/23Cpm/31Cpm(G) Machine
34
Automatic Document Feeder and Document Glass
36
Internal Structure
37
I/F Connectors
38
Operation Panel
39
Sensors and Detectors
41
Switches
46
Clutches and Solenoids
48
Motors
51
Rollers
54
Lamps
59
Fans and Filter
62
Gates
64
Heater
66
Pwb/Memory Device
67
Fuses and Thermostats
73
Lock
76
Adjustments and Settings
77
Adjustment Item List
77
Adjust the Developing Doctor Gap
79
Adjust the Developing Roller Main Pole Position
79
Adjust the Developing Unit
79
Details of Adjustment
79
Toner Density Control Reference Value Setting
80
Adjust the Main Charger Grid Voltage
82
Adjusting High Voltage Values
82
Adjust the Developing Bias Voltage
83
Transfer Current and Voltage Adjustment
84
Image Density Sensor Adjustment
86
Image Density Sensor Calibration
86
Print Engine
88
Ratio Adjustment
88
Print Image Off-Center Automatic Adjustment (Print Engine)
89
Color Registration Offset Adjustment
96
Scan Image Distortion Adjustment
97
Scanner (Reading) Unit Parallelism Adjustment
97
Scan Image (Sub Scanning Direction) Distortion Adjustment
98
Scan Image (Main Scanning Direction) Distortion Adjustment
99
Scanner Image Skew Adjustment (RSPF Mode)
100
Scan Image Focus Adjustment
101
Print Lead Edge Image Position Adjustment (Printer Mode)
102
Color Balance/Density Adjustment
103
Monochrome Copy Check Items
106
Scanner Calibration (CCD Calibration)
107
Adjustment Procedures
108
Color Balance Adjustment Target Setup
108
Printer Color Balance Adjustment Target Setup
111
Copy/Printer Color Balance/Density Adjustment (Automatic Adjustment)
113
Copy Color Balance and Density Adjustment (Automatic Adjustment)
117
Copy Quality Adjustment (Basic Adjustment)
117
Color Copy Density Adjustment
126
Color Copy Color Balance, Gamma Adjustment
127
Monochrome Copy Density Adjustment
127
Monochrome Copy Density, Gamma Adjustment
128
Color Copy, Text, Line Image Reproduction Adjustment
131
Copy/Scan Low Density Image Density Adjustment (for each Mode)
131
Monochrome (Copy/Scan/Fax) Mode Color Document Reproduction Adjustment
133
Color (Copy/Scan) Mode Sharpness Adjustment
134
Copy Color Balance Adjustment
137
RSPF Mode (Copy/Scan/Fax) Density Adjustment
137
Automatic Color Balance Adjustment by the User
138
Copy Gamma, Color Balance Adjustment for each Dither
139
Dropout Color Adjustment
140
Watermark Adjustment
141
Printer Color Balance Adjustment
143
Printer Image Quality Adjustment
143
Printer Density Adjustment
148
Printer High Density Image Density Reproduction Setting
148
Printer Gamma Adjustment for each Dither
149
Manual Paper Feed Tray Paper Size (Width) Sensor Adjustment
150
Paper Size Sensor Adjustment
150
Document Size Detection Adjustment
152
Document Size Sensor Detection Point Adjustment
152
RSPF Paper Feed Tray Document Size (Width) Sensor Adjustment
152
Adjust the Sensitivity of the Original Size Sensor
153
Fusing Paper Guide Position Adjustment
153
Touch Panel Coordinate Setting
153
Print Image Magnification Ratio Adjustment
154
Print Image Print Area Adjustment
154
Print Image Off-Center Adjustment
156
Scan Image Magnification Ratio Adjustment
157
Scan Image Off-Center Adjustment
160
Scan Image Off-Center Adjustment (Manual Adjustment)
160
Copy Image Position and Image Loss Adjustment
162
Copy Image Position, Image Loss, and Void Area Adjustment
162
Copy Image Position, Image Loss, Void Area Adjustment
164
Image Scanning Position Adjustment
164
Lead Edge Image Loss Adjustment
165
Rear Edge Image Loss Adjustment
165
Finisher and Punch Unit Adjustments
166
Front/Rear Frame Direction Image Loss Adjustment
166
Simulation
170
Starting the Simulation
170
List of Simulation Codes
173
Firmware Update
176
Operation Panel Section
178
Details of Simulation
179
Paper Exit Section
185
Other manuals for Sharp MX-3111U
Operation Guide
832 pages
Start Guide
24 pages
4
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Sharp MX-3111U Specifications
General
Brand
Sharp
Model
MX-3111U
Category
All in One Printer
Language
English
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