4-8
Samsung Electronics
Troubleshooting
Is it regular
interval of 37.7mm?
The problem occured
since the obstacles
stuck to charge roller.
-> Replace developer
and C/R.
When taking
out the cartridge,
toner leaks?
Toner leaks and toner
material dropped onto
the paper. -> Replace the
developer.
Bad image
removes by
scratching?
Check toner is stuck onto
the P/R or H/R in fuser.
-> Clean it or replace.
The problem
randomly occured
due to the toner
fallen. -> Clean the
machine.
NO
NO
NO
YES
YES
YES
4-2-7 Black Dot
NO
Black band?
The black
band has regular
interval?
Black band
is far about 10mm from
white band?
Problem of internal
contacts in OPC.
-> Replace developer.
The OPC is damaged under the
direct sunlight for around 5
minutes. -> If the same problem
persists in 10 hours, replace
the developer.
This occurs when no
Hsync/ at LSU.
-> Replace LSU.
94mm interval?
Heat roller is ruined.
-> Replace the roller.
The OPC is damaged due to
the irregular transfer voltage
of HVPS.
-> Repair/replace HVPS.
-> If the same problem persists,
replace the developer.
Does it appear
at every 56.1mm at
specific place?
Problems of terminal contact,
transfer voltage supplying,
and transfer roller’s due to the
charge roller is ruined (38mm).
-> Repair/replace HVPS,
developer.
NO
NO
NO
NO
YES
YES
YES
YES
4-2-8 Horizontal Band
Содержание ML-5200A
Страница 50: ...5 14 Samsung Electronics Exploded Views and Parts List MEMO ...
Страница 63: ...PCB Diagrams Samsung Electronics 9 5 9 5 HVPS PCB Diagram TOP ...
Страница 68: ...MEMO Samsung Electronics 8 2 ...
Страница 69: ...10 1 Main Circuit Diagram 1 9 Samsung Electronics 10 1 10 Schematic Diagrams ...
Страница 70: ...Schematic Diagrams 10 2 Samsung Electronics Main Circuit Diagram 2 9 ...
Страница 71: ...Main Circuit Diagram 3 9 Samsung Electronics 10 3 Schematic Diagrams ...
Страница 72: ...Schematic Diagrams 10 4 Samsung Electronics Main Circuit Diagram 4 9 ...
Страница 73: ...Main Circuit Diagram 5 9 Samsung Electronics 10 5 Schematic Diagrams ...
Страница 74: ...Schematic Diagrams 10 6 Samsung Electronics Main Circuit Diagram 6 9 ...
Страница 75: ...Main Circuit Diagram 7 9 Samsung Electronics 10 7 Schematic Diagrams ...
Страница 76: ...Schematic Diagrams 10 8 Samsung Electronics Main Circuit Diagram 8 9 ...
Страница 77: ...Main Circuit Diagram 9 9 Samsung Electronics 10 9 Schematic Diagrams ...
Страница 78: ...Schematic Diagrams 10 10 Samsung Electronics 10 2 Engine Circuit Diagram 1 2 ...
Страница 79: ...Engine Circuit Diagram 2 2 Samsung Electronics 10 11 Schematic Diagrams ...
Страница 80: ...Schematic Diagrams 10 12 Samsung Electronics 10 3 SMPS Circuit Diagram ...
Страница 81: ...10 4 SENSOR Circuit Diagram Samsung Electronics 10 13 Schematic Diagrams ...
Страница 82: ...Schematic Diagrams 10 14 Samsung Electronics 10 5 PTL Circuit Diagram ...
Страница 83: ...10 6 HVPS Circuit Diagram 1 3 Samsung Electronics 10 15 Schematic Diagrams ...
Страница 84: ...Schematic Diagrams 10 16 Samsung Electronics HVPS Circuit Diagram 2 3 ...
Страница 85: ...HVPS Circuit Diagram 3 3 Samsung Electronics 10 17 Schematic Diagrams ...
Страница 86: ...ELECTRONICS Samsung Electronics Co Ltd March 2000 Printed in Korea VERSION NO 1 00 P N JC 0002A ...