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Samsung
ML-1650, ML-1651N specifications
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Contents
Main
SERVICE
Page
Page
1. Precautions
1-1 Safety Precautions
1-2 Precautions on Disassembly and Reassembly
Releasing Plastic Latches
Page
2. Specifications
Page
3. Disassembly and Reassembly
Releasing Plastic Latches
3-1 General Precautions on Disassembly
Page
Page
3-4 Pickup Assembly
3-5 Main Cover
3-6 MP (Multi-Purpose) Tray
3-7 Exit Assembly
3-8 LSU
3-9 HVPS board
3-10 Fan
3-11 Solenoid
3-12 Drive Assembly
3-13 Fuser Assembly
3-14 Guide Feed & Erase Lamp
3-15 MPF Assembly and Miscellaneous on MPF Assembly
Page
3-16 Engine Board and Miscellaneous
Page
Page
4. Troubleshooting
4-1 How to use DCU
4-1-1 DCU Setup
4-1-2 Code
Normal Code
Error Code
4-1-3 Self Diagnostic Mode
4-1-4 Self Test Button
4-1-5 Paper Path Layout
CARTRIDGECARTRIDGE
FACE DOWN FACE UPFACE UP
SCF
CASSETTE
Troubleshooting
4-5
4-1-6 DCU Panel
STATUS
ML-1650 DIAGNOSTIC CONTROL UNIT QUICK REFERANCE
SELF TEST DIAGNOSTIC
DIAGNOSTIC CODE
4-2 The cause and solution of Bad image
4-2-1 Vertical Black Line and Band
4-2-2 Vertical White Line
4-2-3 Horizontal Black Band
4-2-4 Black/White Spot
4-2-5 Light Image
4-2-6 Dark Image or a Black
4-2-7 Uneven Density
4-2-8 Background
Page
Page
4-2-14 Satins on Back of Page
4-2-15 Blank Page Print out (1)
4-2-16 Blank Page Print out (2)
4-3 The cause and solution of the bad discharge
4-3-1 Wrong Print Position
4-3-2 JAM 0
4-3-4 JAM 2
4-3-3 JAM 1
4-3-5 Multi-Feeding
4-3-6 Paper rolled in the fuser
4-3-7 OPC
4-4 The cause and solution of the malfunction
4-4-1 All LEDs blinking (Fuser Error)
4-4-2 All LEDs blinking (Scan Error)
4-4-3 Not function of the gear of the fuser due to melting away
4-4-4 Paper Empty
4-4-5 Paper Empty without indication
4-4-6 Cover Open
4-4-7 No lamp on when the cover is open
Hook Lever
4-4-8 Defective motor operation
4-4-9 No Power
4-4-10 Vertical Line Getting Curved
4-5 Toner Cartridge Service
4-5-4 Signs and Measures at Poor toner cartridge
Page
Page
4-6 The cause and solutions of bad environment of the software
4-6-1 The printer is not working (1)
4-6-2 The printer is not working (2)
4-6-3 Abnormal Printing
4-6-4 SPOOL Error
5-1
5. Exploded Views and Parts List
There ar woo kinds of Part code inscription type.
A/S privately used part: It is only used for A/S . Assy part :
Way to observe Part Code & Description
5-1 Exploded Views and Parts List
Service Parts List
5-3
11
1144
5-4
5-2 All Exploded Views and Parts List
5-2-1 Cover Exploded View
5-5
5-2-2 Frame Exploded View
5-6
5-2-3 Exit Exploded View
5-7
5-2-4 Rack-MPF Exploded View
5-8
5-2-5 Fuser Exploded View
5-9
5-2-6 Drive Exploded View
5-10
5-2-7 Pick-Up Exploded View
5-11
5-2-8 Cassette Exploded View
6. Block Diagram
6-1 Video ControllerBlock Diagram
Computer
OP Panel
SPGP i
6-2 Engine Block Diagram
CPU (KS88C4616)
11.59158MH z
7. Connection Diagram
7-1
Power SW
Engine Bd
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