Sharp MX-M620N

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MX-M700N ROM VERSION-UP 10 – 7

YES

Write the on-board files

collectively. (4.)

Result: OK?

Update completed

If the Flash ROM itself is

defective, replace it with a

new one and try again.

Main Page

Contents1
Service Manual1
Table of Contents2
Note for Servicing4
Precautions for Servicing4
Installing Site Recommendation4
Warning for Servicing4
- Product Outline6
- Different Points of MX-M550/620/700 Series from AR-M550/620/700 Series6
Main Features6
- Data Security Coexisting with Document Filing7
- 2-Way Security Solution7
- Document Filing8
- Configuration9
- Main Unit and Option Lineup9
- Option Lineup9
- Option Combinations10
- Block Diagram10
Basic Specifications11
- Paper Feed, Paper Transport, and Paper Exit Section12
- Paper Exit Size / Type13
- Resolution/Gradation13
- Duplex13
- Bypass Tray13
- Document Table14
- Automatic Document Feeder14
- First Copy Time14
Functional Specifications14
- Image Send Function15
- Paper Size15
- Copy Functions15
- Send Function16
- Receive Function16
- Multiple Address Specification16
- Address Specification16
- 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
- Data Operation by each Function21
- Safety and Environmental Standards21
- Environmental Conditions for Use of the Main21
Environmental Conditions21
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
- (Large Capasity Tray) Paper Feed Tray34
- Paper Feed Tray34
- MX-M700N External View and Internal Structure35
- Paper Feed Tray35
- Paper Feed Trays35
- 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
- Adjusting High Voltage Values53
- Adjust the Main Charger Grid Voltage53
Datails of Adjustment53
- Adjust the Developing Bias Voltage54
- Adjust the Transfer Current, Voltage54
- Adjust the Developing Doctor Gap56
- Adjusting the Developing Unit56
- Adjust the Developing Roller Main Pole57
- Adjust Print Image Distortions58
- Adjusting Image Distortions58
- Adjust the Scanner (Reading) Unitparallelism59
- Adjust Scanned Image Distortions in the Main Scanning Direction61
- Adjust Scanned Image Distortions in the Sub-Scanning Direction61
- Adjusting DSPF Parallelism63
- Adjust DSPF Skews64
- Adjust Image Focus in Original Table Mode/Dspf Front-Face Mode (CCD)65
- Adjusting the Image Focus65
- 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
- Front/Rear Frame Direction Void Area77
- Leading Edge Image Loss/Void Area Adjustment77
- Trailing Edge Void Area Adjustment77
- Adjust the Copied Image Loss/Void Area in DSPF Mode78
- Adjust the Original Scan Start Position78
- 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
- Scan Mode Image Density Adjustment/Individual Setup (Super Fine Mode)87
- Adjust the Scan Mode Image Density for All Modes at Once87
- Adjusting the Image Quality in Scan Mode87
- 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
- Adjust the Sensitivity of the Original Size Sensor93
- Adjusting the Touch Panel Coordinates93
- Adjusting the Original Size Detection93
- 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
- Spf(Lead_Edge)147
- Cis(Lead_Edge)147
- Press [START] Key147
- Self Diag Operation and Related Work Flow166
- Self Diag Operation166
- Self Diag Message Kinds166
- Self Diag166
- 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
- The Network Card Is Not Installed or Broken171
- Another Communication Error Occurs171
- MC Trouble171
Details of Trouble Code171
- 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 (55Ppm)174
- Incompatibility Check (70Ppm)174
- Controller Connection Trouble174
- Incompatibility Check (62Ppm)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/Saddle Alignment Motor Trouble177
- Finisher/Saddle Positioning Plate Motor Trouble177
- Finisher/Saddle Guide Motor Trouble177
- Finisher/Punch Backup ROM 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 4 Lift-Up Trouble180
- Machine Tray 3 Lift-Up Trouble180
- Machine Tray 2 Lift-Up Trouble180
- Machine Tray 1 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
- Scanner Feed Trouble183
- Fusing Section Low Temperature Trouble (HL3)183
- 5-Times Continuous POD Notreached JAM Detection183
- Fusing Section Low Temperature Trouble (HL2)183
- 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
- Memory Check Sum Error (Scanner)186
- HDD Section Individual Data Check Sum Error (MFP Control)186
- EEPROM Read/Write Error (Scanner)186
- SRAM Memory Individual Data Check Sum Error186
- DSPF Tray Lift-Down Trouble187
- LCC Lift Motor Trouble187
- LCC Communication Trouble187
- LCC Transport Motor Trouble187
Maintenance System Table188
Drum Peripheral Section191
Details of Maintenance191
- Transfer Section192
- Developing Section193
- Fusing Unit194
- Scanner Section195
- DSPF Section196
- Paper Feed Section197
- Transport Section/Paper Exit Reverse Section/Duplex Section198
- Drive Section199
- Filters200
- Execution Items before Maintenance and Servicing200
- Mandatory Maintenance and Service Items200
Other Related Items200
- Execution Items after Maintenance and Servicing201
- Rom Version-Up202
- Version-Up Target Rom's202
- Precautions203
- Necessary Items for Flash ROM Version-Up203
- Relationship between each ROM and Version-Up203
Flash ROM Version-Up Method203
- 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
- Ac Power Line Diagram213
Power Line Chart213
- Ac Power Line Diagram (200V)214
- DC Power Line Diagram215
- SCN Unit Section216
Actual Wiring Chart216
- 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
- Count Specification236
- Paper Exit System Counter236
System Settings236
- Send System Counter237
- Receive System Counter237
- Total Counter Specifications238
- Department Counter238
- Printer Job Count-Up Specification238
- Blank Paper Count Specification239
- Consumables Counter Specification239
- Reset and Set for Suplly Counters239
- Location and Display of each Counter Data240
- Operating Procedures243
- Entering the Web Setting Mode243
- Font/Form Download243
Web Setting Service Mode243
- Password Setup244
- I-Fax Setup244
- Paper Jam Judgment Conditions245
Paper JAM Code245
- 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
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/Paper Transport Motor265
- DSPF Cover Switch265
- Separation Roller265
- DSPF Paper Feed Clutch265
- 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
- White Standard Glass278
- Table Glass278
- Mirror279
- Lens279
- Reflector279
- Scanner Dry Heater279
- Rails280
- Drive Belt280
- Drive Wire280
- Pulley280
- Scanner Motor281
- Scanner Relay PWB281
- CCD PWB Lens Unit281
- 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
- Paper Feed Clutch289
- Manual Feed Paper Pass Detector289
- Manual Feed Gate Solenoid289
- 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
- Dry Heater303
- Paper Remaining Quantity Detector303
- Paper Feed Tray 1, 2 Detection Sensor303
- Paper Remaining Quantity Sensor PWB303
- 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

Table of Contents

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