Sharp MX-M264N

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MX-M264U DISASSEMBLY AND ASSEMBLY 10 – 13

(7) Solenoid

(8) Sensor PWB

C. Paper feed solenoid

D. Tray sensor PWB

E. Manual P-in sensor/Manual empty sensor

F. Multi manual paper feed

(1) Paper feed roller/pickup roller

1 2

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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