Table Of Contents - Sharp MX-M550U Service Manual

Table of Contents

Contents1
Service Manual1
Table Of Contents2
Note For Servicing4
Precautions For Servicing4
Warning For Servicing4
Installing Site Recommendation4
Product Outline6
Different Points Of Mx-M550/620/700 Series From Ar-M550/620/700 Series6
Main Features6
2-Way Security Solution7
Data Security Coexisting With Document Filing7
Document Filing8
Configuration9
Main Unit And Option Lineup9
Option Lineup9
Option Combinations10
Block Diagram10
Basic Specifications11
Paper Feed, Paper Transport, And Paper Exit Section12
Bypass Tray13
Duplex13
Paper Exit Size / Type13
Resolution/Gradation13
Functional Specifications14
Document Table14
Automatic Document Feeder14
First Copy Time14
Image Send Function15
Paper Size15
Copy Functions15
Address Specification16
Multiple Address Specification16
Send Function16
Receive Function16
Printer Function17
Report/List Function17
Other Functions17
Support Print Channel17
Print Function18
Command Compatibility18
Environment Setting18
Windows Driver Function19
Frequently Used Functions19
Paper Feed System19
Paper Exit Method19
Windows Ppd, Macintosh Ppd Driver Funciton20
Print Performance20
Environmental Conditions21
Data Operation By Each Function21
Safety And Environmental Standards21
Environmental Conditions For Use Of The Main21
Consumable Parts22
Supply System Table22
Maintenance Parts List23
External View And Internal Structure28
Identification Of Each Section And Functions28
Internal Operation Parts29
Operation, Display Parts30
Job Status Screen31
Sensor/Detector33
Paper Feed Tray34
(Large Capasity Tray) Paper Feed Tray34
Paper Feed Trays35
Mx-M700N External View And Internal Structure35
Switch38
Clutch/Solenoid39
Drive Motor40
Lamp42
Fan Motor43
Pwb (Main Unit Section)44
Fax Section45
Fuse/Thermostat45
Adjustment Volume46
Gate47
Heater47
Lock Position48
Roller49
Outline52
Adjustment Item List52
Datails Of Adjustment53
Adjusting High Voltage Values53
Adjust The Main Charger Grid Voltage53
Adjust The Developing Bias Voltage54
Adjust The Transfer Current, Voltage54
Adjusting The Developing Unit56
Adjust The Developing Doctor Gap56
Adjust The Developing Roller Main Pole57
Adjusting Image Distortions58
Adjust Print Image Distortions58
Adjust The Scanner (Reading) Unitparallelism59
Adjust Scanned Image Distortions In The Sub-Scanning Direction61
Adjust Scanned Image Distortions In The Main Scanning Direction61
Adjusting Dspf Parallelism63
Adjust Dspf Skews64
Adjusting The Image Focus65
Adjust Image Focus In Original Table Mode/Dspf Front-Face Mode (Ccd)65
Adjust The Image Focus In Dspf Back-Face Mode (Cis)66
Adjusting The Image Magnification67
Adjusting The Image Off-Center72
Adjusting The Image Position, Image Loss, And Void Area76
Leading Edge Image Loss/Void Area Adjustment77
Trailing Edge Void Area Adjustment77
Front/Rear Frame Direction Void Area77
Adjust The Original Scan Start Position78
Adjust The Copied Image Loss/Void Area In Dspf Mode78
Adjust The Image Loss In Scanner Mode79
Leading Edge Image Loss Adjustment79
Trailing Edge Image Loss Adjustment79
Adjust The Image Loss For Images Sent In Fax Mode80
Adjusting The Copied Image Quality80
Oc Lead Edge80
Adjust The Binary Mode Copy Density For All Modes At Once81
Copied Image Reference Density81
Adjust The Copy Density In Photo Binary Mode82
Adjust The Copied Image Gamma In Copy Mode83
Adjust The Copied Image Sharpness83
Adjusting The Print Quality In Fax Mode84
Adjust The Fax Mode Print Density For All Modes At Once84
Adjusting The Image Quality In Scan Mode87
Adjust The Scan Mode Image Density For All Modes At Once87
Scan Mode Image Density Adjustment/Individual Setup (Super Fine Mode)87
Adjust The Image Gamma In Scanner Mode88
Common Image Quality Adjustments For All Of Copy, Scan, And Fax Modes88
Original Table Mode/Spf Mode Image Density Correction (Copy Mode)88
Set Up The Auto Mode Operation For Copy, Scan, And Fax89
Adjusting The Fusing Paper Guide Position90
Adjusting The Paper Size Detection90
Adjust The Paper Width Sensor For The Manual Paper Feed Tray90
Adjust The Paper Width Sensor For Paper Feed Tray 391
Adjust The Paper Width Sensor For The Dspf Paper Feed Tray92
Adjusting The Original Size Detection93
Adjusting The Touch Panel Coordinates93
Adjust The Sensitivity Of The Original Size Sensor93
Adjusting The Supply Voltage94
Adjustment Value/Simulation/Storage Data95
Simulation Adjustment Value/ Set Value Data95
Each Storage Data95
Starting The Simulation96
General96
Basic Operation96
List Of Simulation Codes98
Details Of Simulation102
Spf(Lead_Edge)114
Cis(Lead_Edge)134
Oc(Lead_Edge)147
Press [Start] Key147
Self Diag166
Self Diag Message Kinds166
Self Diag Operation166
Self Diag Operation And Related Work Flow166
Breakdown Sequence167
Breakdown Mode List167
Process Control Trouble Operation Table167
Trouble Mode Process168
Power On Trouble Detection Sequence168
Writing To The Trouble Memory168
Trouble Code List169
Details Of Trouble Code171
Mc Trouble171
Another Communication Error Occurs171
The Network Card Is Not Installed Or Broken171
The Specified Mail Server (Pop3) Suspends Response172
Cis Shading Trouble (White Correction)172
Cis Communication Trouble172
System Data Trouble172
Hdd Trouble172
Decode Error Trouble173
Ccd Shading Trouble173
Ccd Communication Trouble173
Lsu Connection Trouble173
Incompatibility Check (62Ppm)174
Incompatibility Check (70Ppm)174
Controller Connection Trouble174
Incompatibility Check (55Ppm)174
Auto Developer Adjustment Trouble175
Finisher Communication Trouble175
Finisher Transport Motor Abnormality175
Finisher Oscillation Motor Trouble175
Finisher/Pusher Motor Trouble176
Finisher Tray Lift Motor Trouble176
Finisher/Alignment Motor Trouble176
Finisher Saddle Folding Sensor Trouble176
Finisher/Punch Backup Rom Trouble177
Finisher/Saddle Positioning Plate Motor Trouble177
Finisher/Saddle Guide Motor Trouble177
Finisher/Saddle Alignment Motor Trouble177
Finisher-Inserter Communication Trouble178
Inserter/Eeprom Trouble178
Inserter/Reverse Sensor Trouble178
Toner Control Sensor Open178
Process Control Trouble179
Drum Marking Sensor Gain Adjustment Error179
Process Thermistor Breakdown179
Developing Thermistor Breakdown179
Machine Tray 1 Lift-Up Trouble180
Machine Tray 2 Lift-Up Trouble180
Machine Tray 3 Lift-Up Trouble180
Machine Tray 4 Lift-Up Trouble180
Fax Modem Operation Abnormality181
Fax Write Protect Cancel181
Abnormal Combination Of The Tel/Liu Pwb And The Fax Soft Switch181
Fax-Box Incompatibility Trouble181
Thermistor Open/Fusing Unit Not Installed (Hl3)182
Fusing Section High Temperature Trouble (Hl1)182
Fusing Section High Temperature Trouble (Hl2)182
Fusing Section High Temperature Trouble (Hl3)182
Fusing Section Low Temperature Trouble (Hl2)183
Fusing Section Low Temperature Trouble (Hl3)183
5-Times Continuous Pod Notreached Jam Detection183
Scanner Feed Trouble183
Drum Motor Lock Detection184
Fusing Motor Lock Detection184
Developing Motor Lock Detection184
Transfer Belt Separation Motor Trouble Detection184
Ric Copy Inhibit Command Receive185
Fax Battery Abnormality185
Rtc Read Error185
Eeprom Read/Write Error185
Sram Memory Individual Data Check Sum Error186
Hdd Section Individual Data Check Sum Error (Mfp Control)186
Eeprom Read/Write Error (Scanner)186
Memory Check Sum Error (Scanner)186
Dspf Tray Lift-Down Trouble187
Lcc Lift Motor Trouble187
Lcc Communication Trouble187
Lcc Transport Motor Trouble187
Maintenance System Table188
Details Of Maintenance191
Drum Peripheral Section191
Transfer Section192
Developing Section193
Fusing Unit194
Scanner Section195
Dspf Section196
Paper Feed Section197
Transport Section/Paper Exit Reverse Section/Duplex Section198
Drive Section199
Filters200
Other Related Items200
Execution Items Before Maintenance And Servicing200
Mandatory Maintenance And Service Items200
Execution Items After Maintenance And Servicing201
Rom Version-Up202
Version-Up Target Rom's202
Precautions203
Necessary Items For Flash Rom Version-Up203
Flash Rom Version-Up Method203
Relationship Between Each Rom And Version-Up203
Writing Data205
Receiving Data205
Turning Off The Power During The Version-Up Procedure206
Version-Up Procedure Flowchart206
Electrical Section209
Overall Block Diagram209
Mfp Controller210
Pcu Circuit Block211
Scan Circuit Block212
Power Line Chart213
Ac Power Line Diagram213
Ac Power Line Diagram (200V)214
Dc Power Line Diagram215
Actual Wiring Chart216
Scn Unit Section216
Dspf Unit Section217
Image Process Section218
Paper Transport Section219
Transport/Option Section221
Left Door Transport Section222
Process Section223
Power Source Peripheral Section224
Pcu Connector Table225
Signal Name List226
Others236
System Settings236
Count Specification236
Paper Exit System Counter236
Send System Counter237
Receive System Counter237
Department Counter238
Printer Job Count-Up Specification238
Total Counter Specifications238
Blank Paper Count Specification239
Consumables Counter Specification239
Reset And Set For Suplly Counters239
Location And Display Of Each Counter Data240
Web Setting Service Mode243
Operating Procedures243
Entering The Web Setting Mode243
Font/Form Download243
I-Fax Setup244
Password Setup244
Paper Jam Code245
Paper Jam Judgment Conditions245
Sensor Cross Section247
Clutch/Solenoid Cross Section248
Motor Cross Section248
Inserter (Ar-Cf2) Paper Jam Judgment Conditions249
A] External Outfit251
Electrical And Mechanism Relation Diagram252
B] Operation Panel252
Operational Descriptions253
Disassembly And Assembly253
Operation Panel Unit253
Lvds Pwb254
Lcd Inv-J Pwb254
Lcd Unit254
C] Dspf Section255
Cis Section257
Paper Exit Section258
Timing Chart259
Document Tray Lift Operation260
Document Feed, Transport, Scan, Paper Exit, And Operating Speed260
The Original Scan260
External Outfit Section260
The Paper Feed Tray Section262
Paper Feed And Paper Transport Section264
Paper Feed Unit264
Pickup Roller264
Dspf Paper Feed Clutch265
Dspf Cover Switch265
Separation Roller265
Dspf Paper Feed/Paper Transport Motor265
Dspf Resist Roller Brake Clutch266
Dspf Resist Roller Clutch266
Torque Limiter266
Dspf Paper Transport Roller 2 Brake Clutch267
Transport Roller267
Dspf Document Paper Pass Detector268
Cis Control Pwb/Cis Unit268
Dspf Paper Exit Motor269
Dspf Paper Transport Roller 3 Brake Clutch270
Paper Exit Roller (Drive)271
Dspf Open/Close Detector271
Dspf Fan Motor272
Dspf Pwb272
Drive Unit272
D] Scanner Section274
Ccd/Lens Unit275
Cis Unit275
Image Signal Flow276
Carriage (Lamp Unit) Shift (Scan) Speed276
Scanner Unit277
Table Glass278
White Standard Glass278
Mirror279
Lens279
Reflector279
Scanner Dry Heater279
Rails280
Drive Belt280
Drive Wire280
Pulley280
Ccd Pwb Lens Unit281
Scanner Relay Pwb281
Scanner Motor281
Scanner Flash Pwb282
Scanner Control Pwb282
Scanner Home Position Sensor Detector282
Document Size Detection Light Emitting Pwb283
Document Size Detection Light Reception Pwb283
E] Manual Paper Feed Section285
Multi Manual Paper Feed Tray Unit287
Manual Paper Feed Unit Open/Close Switch287
Manual Feed Empty Detector287
Paper Feed Roller288
Manual Feed Gate Solenoid289
Manual Feed Paper Pass Detector289
Paper Feed Clutch289
Paper Pickup Solenoid290
Manual Paper Width Size Detection Pwb290
F] Tray Paper Feed Section293
Paper Feed Tray 3, 4 Section295
Paper Feed Operation297
Paper Size Of Paper Feed Trays Detection Method297
Paper Remaining Detection299
Disassembly/Assembly300
Lift Wire302
Paper Remaining Quantity Sensor Pwb303
Paper Remaining Quantity Detector303
Paper Feed Tray 1, 2 Detection Sensor303
Dry Heater303
Paper Feed Tray Upper Limit Detector306
G] Paper Transport Section310
H] Duplex Section324
J] Photoconductor Section339
K] Toner Supply Section348
Developer Unit352
L] Developing Section352
M] Transfer Section357
Trademark Acknowledgements412