Samsung ML-7300N Glossary
Contents
1. Precautions
2. Reference Information
3.Product Information
4. Disassembly
1-1 Safety precautions______________________________1-1
1-2 Laser Safety Statement __________________________1-2
2-1 Abbreviations and Acronyms
_____________________2-1
2-2. Diagnostic Control Unit
_________________________2-3
2-2-1. Abstract
________________________________2-4
2-2-2. List of code description
_____________________2-5
3-1 General Specifications ________________________3-1
3-2 Controller Specifications _______________________3-2
3-3 Electrical Specifications _______________________3-2
3-4 Environmental Condition_______________________3-3
3-5 Image Cartridge(Developer) ____________________3-3
3-6 Paper Handling Specifications __________________3-4
4-1 Front View
__________________________________
4-1
4-2 Rear View
__________________________________4-1
4-3 Cabinet Disassembly
__________________________4-2
4-3-1. Cover Right
_____________________________4-2
4-3-2. Cover Left
_____________________________4-4
4-3-3. Cover Front
____________________________4-5
4-3-4. Cover Main
____________________________4-5
4-3-5. Cover Rear
____________________________4-6
4-4 Video Controller board & Joint board
_______________4-7
4-5 Fuser Ass’y
________________________________4-9
4-6 Bracket Motor Ass y & Cover Open Switch Unit
_____4-12
4-7 Pickup Ass’y __________________________________4-14
4-8 Laser Scanner Unit_____________________________4-15
4-9 Multi Purpose Tray _____________________________4-17
4-10 Control Pane_________________________________4-20
4-11 Engine Controller Board ________________________4-22
4-12 SMPS & Bracket Duplex Ass y __________________4-26
4-13 Transfer Roller Ass’y___________________________4-28
ii Samsung Electronics
5. Troubleshooting
6. Exploded Views
& Parts List
7. Electrical
Parts Lists
8- Bloack Diagrams
5-1 Print Quality
________________________________5-1
5-2 HVPS Output Spec _____________________________5-3
5-3 Malfunction____________________________________5-4
5-4 .Connector Pin Assignment
_________________________5-8
5-4-1. Engine Board Connector Pin Assignment
______5-8
5-4-2. Joint Board Connector Pin Assignment
_________5-9
5-4-3. S.C.F Board Connector Pin Assignment ________5-11
5-5 .Troubleshooting of Video Controller
_________________5-12
5-5-1. Troubleshooting Flow Chart __________________5-12
Power Error__________________________________5-13
System Error_________________________________5-14
Engine Error _________________________________5-15
Self Test Error________________________________5-15
Parallel Interface Error _________________________5-16
Printing Error_________________________________5-16
5-5-2. Troubleshooting Table of Video Controller Board__5-16
6-1. Main Ass’y _________________________________6-2
6-2. Cover Ass’y ________________________________6-4
6-3. Frame Ass’y________________________________6-8
6-4. Cassette Ass’y ______________________________6-12
6-5. MP Tray Ass’y ______________________________6-14
6-6. Pick Up Ass’y_______________________________6-16
6-7. Fuser Ass’y ________________________________6-18
6-8. Shield Ass’y ________________________________6-20
6-9. Bracket Duplex Ass’y_________________________6-22
6-10. Bracket Motor Ass’y_________________________6-24
6-11. Frame SCF Ass’y___________________________6-26
6-12. Cassette SCF Ass’y_________________________6-29
7-1. Main Engine PBA ___________________________7-1
7-2. Main Controller PBA ________________________7-5
7-3. FLASH MEMORY PBA _____________________7-8
7-4. PTL PBA __________________________________7-8
7-5. CASSETTE PBA ____________________________7-8
7-6. POSTSCRIPT PBA __________________________7-8
7-7. DISP-PANEL PBA ___________________________7-9
7-8. DISP-LCD PBA _____________________________7-9
7-9. TONER PBA _______________________________7-9
7-10. NETWORK CARD PBA(100BASE) _____________7-10
8-1 WIRING DIAGRAM
___________________________
8-1
8-2 Engine Controller Block Diagram___________________8-2
8-3 Video Controller Block Diagram____________________8-3
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