Edition 2010,

This manual, Sharp MX-M623N, MX-M623U, MX-M753N, MX-M753U), is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Sharp MX-M623N, MX-M623U, MX-M753N, MX-M753U copier.
You can print, zoom or read any diagram, picture or page from this Service Manual. Every chapter on this manual is fully detailed and contain all the simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of Sharp MX-M623N, MX-M623U, MX-M753N, MX-M753U photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:

NOTE FOR SERVICING
1. Precautions for servicing
2. Warning for servicing
3. Note for installation site
4. Note for handling PWB and electronic parts
5. Note for repairing/replacing the LSU
6. Note for handling the drum unit, the transfer unit, the developing unit, and the fusing unit
7. Screw tightening torque

[1] PRODUCT OUTLINE
1. System configuration
2. Machine configuration
3. Combination of options

[2] SPECIFICATIONS
1. Basic specifications
2. Functional specifications

[3] CONSUMABLE PARTS
1. Supply system table
2. Maintenance parts list
3. Definition of Developer and Drum life end
4. Production number identification

[4] EXTERNAL VIEW AND INTERNAL STRUCTURE
1. Identification of each section and functions

[5] ADJUSTMENTS AND SETTINGS
1. General
2. Adjustment item list
3. Details of adjustment

[6] SIMULATION
1. General (Including basic operations)
2. List of simulation codes
3. Details of simulation

[7] SELF DIAG AND TROUBLE CODE
1. Self diag
2. Trouble code list
3. Details of trouble code
4. Paper JAM code
5. Necessary works when replacing the PWB and the HDD

[8] OPERATIONAL DESCRIPTIONS
1. Operation panel
2. Scanner section
3. Manual paper feed section
4. Tray paper feed section
5. Paper transport section, Duplex section
6. LSU section
7. Photo-conductor section
8. Toner supply section
9. Developing section
10. Transfer section
11. Fusing section
12. Paper exit section
13. Automatic document feeder

[9] MAINTENANCE
1. Necessary execution items (Before and after maintenance)
2. Contents of the maintenance codes and countermeasures (Relationship between various counter values and display messages)
3. Maintenance system table

[10] DISASSEMBLY AND ASSEMBLY
1. Exterior
2. Operation panel section
3. Scanner section
4. Manual paper feed section
5. Tray paper feed section
6. Paper transport and duplex section
7. LSU section
8. Photo-conductor section
9. Toner supply section
10. Developing section
11. Transfer section
12. Fusing section
13. Paper exit section
14. Drive section
15. PWB section
16. Fan section
17. Filter section
18. Automatic document feeder
19. Other

[11] FIRMWARE UPDATE
1. Outline
2. Update procedure

[12] ELECTRICAL SECTION
1. Block diagram
2. Actual wiring chart
3. Signal list

[13] SERVICE WEB PAGE
1. General
2. Details and operation procedures

Number of pages: 428.