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Table Of Contents - Sharp AR-M455N Service Manual

Digital multifunctional system

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Operation manual (380 pages)

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Quick reference manual (31 pages)

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Software setup manual (21 pages)

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Table of Contents

Service Manual1

Cautions On Laser2

For North America2

Table Of Contents3

Note For Servicing5

Cautions For Servicing5

B. Option Lineup7

C. List Of Combination Of Peripheral Devices9

Basic Specification10

Specifications10

Output Equipment11

Specific Function11

Printer Function11

B. Document Feeding Equipment11

B. Image Send Function14

C. Copy Function16

B/W Scanner Module (Dspf)17

Rack For Scanner18

Consumable Parts19

Supply System Table19

Maintenance Parts List19

Production Number Identification20

Environmental Conditions20

Drum Cartridge20

Toner Cartridge20

External Views And Internal Structures21

Operation Panel23

Job Status Screen (Common To Print, Copy, Fax Network Scan And Internet Fax)24

Cross Sectional View25

Switch, Sensor26

A. Scanner Unit27

Motor, Clutch, Solenoid28

Unpacking And Installation29

Installing Procedure Flowchart29

Note For Installation Place30

Unpacking Procedure30

Machine Installing Procedure31

Remove The Locking Tape31

Setting Related To Process31

Toner Cartridge Settings31

Paper Setting32

D. Setting Related To Fusing32

Automatic Developer Adjustment33

Attach The Document Scanning Label33

Adjuster Installation And Adjustment33

Maintenance And Details Of Each Section35

Scanner / Dspf36

Peripheral Devices37

Process Section38

Details Of Each Section]38

Process Section Composition And Applying Voltage39

Composition Of Process Section39

Opc Drum Section40

Major Parts And Signal Functions40

Operational Descriptions41

Maintenance And Parts Replacement42

Maintenance List42

Drum Separation Pawl Unit43

Toner Reception Seal43

Cleaner Blade44

Separation Solenoid44

Transfer Section45

Toner Image Transfer47

Transfer Roller Cleaning47

Developing Section50

Fusing Section55

Fusing Unit Drive56

Heater Lamp Drive56

Fusing Operation56

Fusing Temperature Control57

Cleaning Roller57

Lower Separation Pawl58

Upper Separation Pawl58

Lower Heat Roller59

Cl Roller Bearing59

Paper Feed Section60

Upper Heat Roller60

Paper Feed Operation62

Paper Size Detection62

Paper Width Detection Vr62

Paper Detection Method Of Each Tray63

Paper Size For Automatic Detection63

Paper Remaining Quantity Detection64

Detection Method64

Paper Feed Cassette Upper Limit Detection66

Paper Feed Cassette Paper Empty Detection66

Cassette Detection Pwb66

Lift-Up Motor66

Transport Section/Paper Exit Reverse Section67

Paper Transport Path And Paper Exit69

Paper Transport Path With An Option Installed69

Paper Transport In Duplex Printing (With Ar-Du3/Du4 Installed)70

Switchback Operation And Paper Exit To The Left Tray70

Paper Transport Speed In Duplex Printing70

Transport With Ar-Fn6 Installed70

Paper Dust Remover Unit72

Resist Roller Unit72

Resist Roller72

Paper Transport Roller72

Left Door Unit73

Suction Fan Motor73

High Voltage Resistor Pwb73

Paper Exit Reverse Unit74

Paper Exit Detection74

Paper Exit Motor75

Left Door Open/Close Detection75

Exhaust Heat Fan Motor75

Paper Exit Full Detection75

Paper Exit Roller76

Laser Scanner Section77

Laser Optical Path78

Polygon Motor78

Outline Of Lsu Specifications78

Scanner Section80

Ccd/Lens Unit82

Image Signal Flow83

Carriage (Lamp Unit) Shift (Scan) Speed83

Platen Timing Chart83

Oc Open Sensor86

Mirror Home Position Sensor86

Scanner Control Pwb86

Scanner Interface Pwb86

Document Feed, Transport, Scan, Paper Exit, And Operating Speed90

Spf Document Stopper Solenoid92

Spf Document Resist Front Sensor92

Spf Document Set Sensor92

Spf Original Length Sensor93

Spf Original Width Detection Volume Pwb93

Pick-Up Roller93

Paper Feed Roller93

Cis Control Pwb94

Spf Open Sensor94

Spf Original Exit Sensor94

Resist Roller Clutch95

Spf Original Paper Feed Solenoid96

Spf Original Paper Feed Clutch96

Separation Mylar Lower96

Separation Pad96

Operation Panel Section96

Original Detection Unit98

Original Size Detection Pwb (Light Emitting Side)98

Original Size Detection Pwb (Light Receiving Side)98

Mfp Operation Pwb99

Ozone Filter100

Drive Section101

Paper Cassette Paper Feed Clutch102

Power Section103

Reactor Pwb (200V Only)104

Cooling Fan Motor105

Pwb106

High Voltage Pwb106

Mfp Controller Pwb106

Hdd107

Controller Cooling Fan Motor108

Ozone Exhaust Fan Motor109

Doctor Gap Adjustment110

Mg Roller Main Pole Position Adjustment110

Developing Bias Output Check And Setup111

C. High Voltage Output Adjustment111

Image Check, Adjustment112

Copy Image Check112

Making Of Sfp Test Chart112

Adjustments On The Engine Side112

Each Tray Resist Amount Setting113

Print Off-Center Adjustment113

Self Print Lead Edge Adjustment114

Front/Rear And Left/Right Void Amount Setting114

Oc Scan Distortion Adjustment115

Spf Height Adjustment115

B. Adjustment On The Scanner Side115

Spf Scan Distortion Adjustment116

Oc Scan Magnification Ratio Adjustment116

Spf Scan Magnification Ratio117

Oc Scan Lead Edge Adjustment118

Spf Scan Lead Edge Adjustment118

Vertical Image Distortion Balance Adjustment120

Height Adjustment Of Original Detection Light Emitting Unit121

Original Size Detection Photo Sensor Check121

Original Size Detection Photo Sensor Adjustment121

Density Adjustment Procedure122

H. Image Density Adjustment122

Individual Adjustment Of Each Copy Quality Mode123

Adjusting The Print Quality In Fax Mode123

Adjust The Fax Mode Print Density For All Modes At Once124

When Replacing Dspf Unit126

I. Dspf Width Detection Adjustment126

Code-Type Simulation127

B. Simulation List129

Other Related Items213

Machine Operation215

Acceptable Originals215

Standard Original Placement Orientations215

Automatic Copy Image Rotation - Rotation Copying215

Specifications Of Paper Trays216

Applicable Plain Paper216

Printing Onto Envelopes217

Fusing Unit Pressure Adjusting Levers217

B. Applicable Special Paper217

Trouble Codes218

Trouble Codes List218

Details Of Trouble Codes220

Self Diag Operation231

Power On Trouble Detection Function231

Basic Flow Of Countermeasures231

List Of Trouble Modes232

Communication Specification When A Trouble Occurs233

Writing To The Trouble Memory233

Rom Version-Up Method234

Flash Rom Update Procedures234

Preliminary Arrangement234

Necessary Tools234

C. Update Procedures 2 (Writing To Each Rom By Use Of Cn6 Of The Controller Pwb)235

In Case of "Result: NG"236

Turning Off The Power During Update236

Update Window Display In Normal Booting236

Update Process Flow236

D. In Case Of "Result: Ng"236

File Transfer By Fcopy.exe238

File Transfer By File2Prn.exe238

File Transfer By Usb Connection238

Electrical Section239

Block Diagram239

Actual Wiring Chart240

Toner Hopper248

Developer Unit248

Signal Name List257

Lead-Free Solder262

Note For The Use Of Lead-Free Solder Thread262

Note For Soldering Work262

Caution For Battery Replacement263

Caution For Battery Disposal263

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Ar-m355n