Name: Sharp MX-4500N
Brand: Sharp
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MX3500N EXTERNAL VIEW AND INTERNAL STRUCTURE 5 – 16

O. Gate

No. Name Function/ Operation Note

1 ADU gate Selects the paper path to transport paper to the duplex (ADU)

section or to discharge paper to the right door.

Table of Contents1
Service Manual1
Contents2
Details of each Section [A] External Outfit2
[B] Operation Panel2
[C] Scanner Section2
[D] Manual Paper Feed Section2
[E] Tray Paper Feed Section2
[F] Paper Transport Section2
[G] Duplex Section2
[H] Lsu Section2
[I] PHOTOCONDUCTOR SECTION2
Note for Servicing3
Precautions for Servicing3
Warning for Servicing3
Note for Installing Site3
Environmental Features5
Product Outline5
Product Features5
Lineup (Main Unit and Option)6
Configuration6
- Machine Configuration7
- Combination of Options List7
Basic Specifications8
- Specifications of Copy Functions12
- Copy Speed (Continuous Copy Speed)12
- First Copy Time12
Functional Specifications12
- Image Send Function14
- Windows Driver Function19
- Operating Environmental Conditions23
- Ambient Conditions for Transporting23
Ambient Conditions23
Consumable Parts24
Supply System Table24
Maintenance Parts List25
- Toner Cartridge27
- Developer27
- Drum Cartridge27
Production Number Identification27
External View and Internal Structure28
Identification of each Section and Functions28
- Internal Structure29
- Automatic Document Feeder30
- Connectors31
- Operation Panel32
- Print and Send Status (Job Status)33
- Sensors34
[M] Process Control Sensor35
- Switches36
- Clutches and Solenoids37
- Drive Motors38
- Lamps39
- Fans and Filters40
- Pwb41
- Fuses/Thermostats42
- Gate43
- Rollers44
- Adjustments46
- Adjustment Item List46
General46
Developing Doctor Gap Adjustment47
Details of Adjustment47
- Developing Roller Main Pole Position Adjustment48
- Main Charger Grid Voltage Adjustment49
- High Voltage Adjustments49
- Toner Density Reference Control Level Setting49
- Developing Bias Voltage Adjustment50
- Transfer Voltage Adjustment52
- Image Density Sensor, Image Registration Sensor Adjustment53
- Color Image Density Sensor Calibration53
- Image Skew Adjustment (LSU Unit)55
- OPC Drum Phase Adjustment57
- Opc Drum Phase Adjustment (Manual Adjustment)58
- Print Engine Image Magnification Ratio Adjustment58
- Magnification Ratio Adjustment58
[P] Drive Section58
- Image Off-Center Adjustment59
- Image Registration Adjustment60
- Auto Adjustment61
- Adjustment Value Calculation67
- Scan Image Distortion Adjustment67
- Scanner (Reading) Unit Parallelism Adjustment67
- Scan Image (Sub Scanning Direction) Distortion Adjustment68
- Scan Image (Main Scanning Direction) Distortion Adjustment69
- Scan Image Distortion Adjustment (Whole Scanner)70
- Scan Image Focus Adjustment (CCD Unit Position Adjustment)70
- Scan Image Magnification Ratio Adjustment71
- T72
- Scan Image Magnification Ratio Adjustment (RSPF Mode)72
- Scan Image Off-Center Adjustment73
- Scan Image Off-Center73
- Print Area (Void Area) Adjustment73
- Copy Image Position, Image Loss Adjustment74
- Copy Color Balance/Density Adjustment76
- Print Lead Edge Image Position Adjustment76
- Flowchart of the Copy Color Balance/Density Adjustment Procedures78
Consumable Parts78
Adjustments78
Simulation78
- CCD Gamma Adjustment (CCD Calibration)80
- Copy Color Balance Adjustment81
- Copy Color Balance Adjustment (Manual Adjustment)83
- Copy Density Adjustment87
- Copy Density Adjustment (each Monochrome Copy Mode) (Whole)88
- Adjustment) (Normally Unnecessary to Adjust88
- Monochrome Copy Density Adjustment89
- Gamma/Density Adjustment in the Text Image Edge Section90
- Auto Color Balance Adjustment by the User91
- Background Process Condition Setting in the Color Auto Copy Mode91
- Color Document Identification Level93
- Printer Color Balance/Density Adjustment94
- Printer Color Balance Adjustment97
- Document Size Sensor Detection Point Adjustment104
- Fusing Paper Guide Position Adjustment104
- Document Size Sensor Adjustment104
- Manual Paper Feed Tray Paper Size (Width) Sensor Adjustment105
- Document Size Sensor Sensitivity Adjustment105
- Touch Panel Coordinate Setting106
- Image Off-Center Automatic Adjustment107
- Automatic Adjustment108
- Simulation109
General109
Basic Operation Flowchart110
System Settings110
List of Simulation Codes111
Details of Simulation117
Trouble Code131
Paper JAM Code131
Maintenance135
Setting Range and Default Value of each Value145
Self Diag253
Trouble Code List256
Details of Trouble Code259
- Hdd Trouble262
- Lsu Ld Deterioration Trouble263
- Process Thermistor Trouble267
- Shift Motor Trouble276
- Full Wave Signal Width Abnormality277
- Battery Trouble277
Maintenance System Table281
Details of Maintenance284
Other Related Items295
Version-Up Procedure296
Block Diagram300
Actual Wiring Chart308
Signal List329
- System Settings333
- System Settings List334
- Paper Jam Code338
Disassembly and Assembly340
Operational Descriptions344

Brand	Sharp
Model	MX-4500N
Category	All in One Printer
Language	English

Sharp MX-4500N Service Manual

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