Sharp MX-M314N

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MX-M264U DISASSEMBLY AND ASSEMBLY 10 – 25

(1) Transport roller 2, Transport roller 3,

Paper exit roller

1) Clean the transport roller 2, the transport roller 3, and the

paper exit roller

(2) Scan plate

1) Clean the scan plate.

Main Page

Table of Contents1
Service Manual1
Symbols in this Manual3
Precautions for Servicing5
Warning for Servicing5
Note for Installing Site5
- Note for Handling PWB and Electronic Parts6
- Relation between Model Names and Names in the Manual7
- Note for Handling the Drum Unit, the Developing Unit7
- Screw Tightening Torque7
- Note for Repairing/Replacing the LSU7
- System Configuration8
Product Outline8
Option List9
- Engine Speed (Ppm)10
- Basic Specifications10
- Engine Specification10
Specifications10
Paper Exit Section13
Copy Functions15
FAX Function16
Printer Function16
Image Send Function18
Dimensions and Weight20
Power Consumption20
Supply System Table21
Consumable Parts21
Maintenance Parts List22
Developer/Drum Life End Definition23
Environmental Conditions24
Production Number Identification24
External View and Internal Structure25
Internal Structure26
Automatic Document Feeder and Document Glass27
I/F Connectors28
Operation Panel29
- Sensors and Detectors30
- Motors, Clutches, Solenoids and PWB30
Rspf30
- Rollers31
- Switch32
Sensor32
Drive Motor33
Solenoid/Clutch33
Fan/Filter34
Lamp34
Pwb35
Roller35
Adjustment Item List36
Adjustments and Settings36
- Adjust the Developing Unit37
- Developing Doctor Gap Adjustment37
- MG Roller Main Pole Position Adjustment37
Details of Adjustment37
- Toner Density Control Reference Value Setting38
- Adjust the Developing Bias Voltage39
- Adjust the Main Charger Grid Voltage39
- Adjusting High Voltage Values39
- Transfer Current and Voltage Adjustment40
- Image Lead Edge Position, Image Loss, Void Area, Image Off-Center, Image Magnification Ratio Adjustment (Automatic Adjustment)42
- Print Image Off-Center Automatic Adjustment (Print Engine)42
- Copy Mode Image Lead Edge Position, Image Loss, Void Area, Image Off-Center, Sub Scanning Direction Image Magnification Ratio Automatic Adjustment (Sc43
- Scan Image Distortion Adjustment45
- Scanner (Reading) Unit Parallelism Adjustment45
- Scan Image (Sub Scanning Direction) Distortion Adjustment46
- Scan Image (Main Scanning Direction) Distortion Adjustment47
- Scanner Image Skew Adjustment (RSPF Mode)48
- Scan Image Focus Adjustment49
- Print Lead Edge Image Position Adjustment (Printer Mode)50
- Image Density Adjustment51
- Scanner Calibration (CCD Calibration)53
- Copy / Image Send / FAX Image Quality Adjustment (Individual Adjustment)54
- Monochrome Copy Density Adjustment (for each Monochrome Copy Mode) (Separately for the Low-Density Area and the High-Density Area)55
- Automatic Monochrome (Copy/Scan/Fax) Mode Document Density Scanning Operation (Exposure Operation) Conditions Setting (Normally no Need to Set)55
- Document Low Density Image Density Reproduction Adjustment in the Automatic Monochrome (Copy/Scan/Fax) Mode56
- Copy/Scan Low Density Image Density Adjustment (for each Mode)57
- Monochrome (Copy/Scan/Fax) Mode Color Document Reproduction Adjustment58
- RSPF Mode (Copy/Scan/Fax) Density Adjustment (no Need to Adjust Normally)58
- Paper Size Sensor Adjustment59
- Manual Paper Feed Tray Paper Size (Width) Sensor Adjustment59
- RSPF Paper Feed Tray Document Size (Width) Sensor Adjustment60
- Document Size Detection Adjustment61
- Document Size Sensor Detection Point Adjustment61
- Adjust the Sensitivity of the Original Size Sensor61
- Print Image Print Area Adjustment62
- Touch Panel Coordinate Setting62
- Print Image Position, Void Area, Off-Center Adjustment (Print Engine) (Manual Adjustment)62
- Print Image Off-Center Adjustment63
- Scan Image Magnification Ratio Adjustment65
- Manual Adjustment65
- Scan Image Off-Center Adjustment68
- Copy Image Position and Image Loss Adjustment70
- Copy Image Position, Image Loss, and Void Area Adjustment (Manual Adjustment)70
- Image Scanning Position Adjustment71
- Copy Image Position, Image Loss, Void Area Adjustment (Manual Adjustment)72
- Finisher Adjustments74
Simulation75
- Starting the Simulation75
- General and Purpose75
Simulation76
List of Simulation Codes77
Details of Simulation81
Troubleshooting152
- Trouble Detection Sequence and Trouble Cancel Sequence When Turning on the Power155
- Error Code List156
- Details of Error Codes and Countermeasures158
- PCU PWB ROM Error158
- Scanner Expansion PWB (ACU) (ACRE) ROM Error158
- SCU PWB ROM Error158
- CCD-ASIC Error159
- Lsu Control Asic Connection Error159
- LSU Laser Detection Error159
- Lsu Ld Deterioration Trouble159
- Pcu Connection Trouble159
- Pcu Pwb Information Sum Error159
- SD Card Error159
- Shading Error (Black Correction)159
- Water Mark Data Error159
- Copy Image Data Error160
- Fax Reception Image Data Error160
- MFP - PCU PWB Communication Error160
- MFP - SCU PWB Communication Error160
- MFP Connection Trouble (PCU)160
- Mfp Eeprom Check Sum Error160
  - Auto Developer Adjustment Trouble161
  - Finisher - PCU PWB Communication Error161
- Finisher Alignment Operation Trouble F161
- Image File Data Process Error161
- MFPC PWB DIMM Memory Check Error161
- Staple Operation Trouble161
- Finisher Alignment Operation Trouble R162
- Finisher Data Backup RAM Error162
- Improper Toner Cartridge Detection162
- Main Unit - Finisher Combination Error162
- Paper Exit Option Configuration Error162
- Process Thermistor Trouble162
- Toner Density Sensor Trouble162
- Toner Supply Operation Trouble162
- Paper Feed Tray 1 Lift Operation Trouble163
- Paper Feed Tray 2 Lift Operation Trouble163
  - Paper Feed Tray 3 Lift Operation Trouble163
  - Toner Cartridge CRUM Error163
  - FAX 1-Chip Microprocessor Access Error (FAX Detection)164
- Incompatibility between the Fax Control Pwb Destination and the Main164
- Machine Destination164
- Thermistor Open Trouble (TH_UM)164
  - Thermistor Open Trouble (TH_US)164
  - 5-Time Continuous Jams of POD1, POD2, or PPD2165
  - Fusing Section Low Temperature Trouble (TH_UM)165
  - Fusing Section Low Temperature Trouble (TH_US)165
- Scanner Feed Trouble165
- Fusing Cooling Fan 2 Trouble166
- Fusing Cooling Fan Trouble166
- Main Motor Lock Trouble166
- MFP Fan Motor Trouble166
- Paper Exit Cooling Fan 2 Trouble166
- Power Source Cooling Fan Trouble166
- Battery Trouble167
- Full Wave Signal Detection Error167
- Full Wave Signal Width Abnormality167
- Mfp Eeprom Read/Write Error167
- PCI Communication Error167
- Pci Fan Error167
- Personal Counter Not Detected167
- Plasma Generating Device Error167
- Power Controller Communication Trouble167
- HDD System Storage Data Area Error168
  - MFPC PWB EEPROM Counter Check Sum Error168
  - MFPC PWB SRAM Memory User Authentication Counter Check Sum Error168
- MFPC PWB SRAM User Authentication Index Check Sum Error168
  - HDD User Authentication Data Check Sum Error (SD Card When no HDD Is Installed)169
  - Machine Adjustment Data169
- SCU PWB EEPROM Read/Write Error169
- Watermark Check Error169
- CPT - ASIC Error170
- MFPC PWB - Vendor Machine Communication Error170
- Vendor Machine Error170
- PCU PWB EEPROM Check Sum Error170
- Descriptions on E7-91 - 94 Errors171
- Countermeasures in Case of E7-91 - 94172
- Countermeasures against the Case Where Nothing Is Displayed When the Machine Is Booted172
- Relation between the MFPC PWB LED Status and Errors173
- JAM Code List174
JAM and Troubleshooting174
- Outline and Code System Descriptions175
- Communication Report Main Code175
Image Send Communication Report Code175
Dial Tone179
- Update Procedure180
- Cases Where Update Is Required180
- Outline180
Firmware Update180
- Firmware Update Using FTP182
- Firmware Update Using the Web Page182
- Firmware Update Using the CN Update Function183
- Reading Data184
- Writing Data184
- Maintenance List185
Maintenance185
Other Related Items187
Disassembly and Assembly188
- Drum189
- Drum Section189
Process Unit189
- DV Side Sheet F/ DV Side Sheet R191
- Fusing Section192
Toner Filter Unit191
Developing Section191
- Toner Sensor192
- Thermostat192
- Thermistor192
- Fusing Separation Pawl (Lower)193
- Lower Heat Roller193
- Heater Lamp193
- Upper Cleaning Pad193
- Fusing Separation Pawl (Upper)194
- Upper Heat Roller194
- Drive Belt, Drive Wire194
Optical Section194
Paper Feed Section196
Side Door Unit202
- 1St Paper Exit Unit203
- Power Unit205
Laser Unit205
- Transport Section207
- Transport Roller207
Ozone Filter207
Operation Section208
Rspf209
- HDD/SD Card Memory Map213
- HDD Partition213
- HDD Data Contents213
Various Storage Data Handling213
- SD Card Data Contents214
- SD Card Partition214
- Necessary Steps When Replacing the PWB, HDD and the SD Card216
- MFP Substrate Replacement Procedure (Work Flow)216
- Procedures Necessary for HDD Replacement216
- Procedures Necessary for SD Card Replacement219
- SD Card Data and Backup219
HDD/SD Card SIM Format Operation221
- SIM62-11 Document Filing Data Delete222
- Details and Operation Procedures223
Service Web Page223
- Output of Test Page224
- Font/Form Download224
- Device Cloning224
- Update of Firmware225
- Job Log225
- Syslog226
- FSS (Field Support System) Setting227
- System Block Diagram228
Electrical Section228
- Pcu Pwb229
- MFP Control PWB230
- Scanner Control PWB231
- Operation Unit232
- FAX Section233
- AC Power Line Diagram235
Power Line Diagram235
- AC Power Line Diagram (230V)236
- DC Power Line Diagram237
- LSU Section238
Actual Wiring Chart238
- Scanner Section240
- Manual Feed, DV, Paper Exit (1St, 2Nd), Tray 1 Section241
- Right Paper Exit, ILSW, Fan, Finisher, CV Section242
- DC Power Supply Section, High Voltage Section243
- AC Power Supply Section, Fusing Section244
- Tray 2, Tray 3, Tray 4 Section245
- USB, FAX, PCI, HDD Section246
Signal List247
Tool List253
- Lead-Free Solder254
- Caution for Battery Replacement255
- Caution for Battery Disposal255

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