Samsung Electronics
7-7
Maintenance & Troubleshooting
Error Status
Check
Solution
Stains on back of
paper
Poor Fusing
Partial blank image
(not periodic)
Partial blank image
(periodic)
Different image density
(left and right)
Horizonral band
1. Clean the transfer roller with vaccum
cleaner
2. Clean the area of paper path with cloth
or air cleaner.
3. Remove fuser and replace it
1. Should use recommended paper
2. Check engine controller board.
If you have not thermometer, measure
the thermistor voltage to CPU, If
2.98V±5% in printing CPU works well.
Then, disassemble fuser and check the
thermistor contact and thermistor.
3. Re-check after putting the machine in the
warm place for certain period.
1. Replace Toner cartridge
2. Checkand adjust
1~2. Replace toner cartridge
3. Replace transfer roller
1~2. Change toner cartridge
3. Check left and right spring of transfer
roller and the spring pressing the
developer inside the machine
1. Clean each contact and check good
contact
2. Clean charge roller
3. Replace fuser unit
4. Check engine controller
1. Contamination of transfer roller
2. Stains of paper path
3. Pressure roller’s contamination
1. Use recommended paper?
2. Check fusing temperature
3. The machine was under the low
temperature for a long time?
1. Toner is low?
2. The toner cartridge is out of
position?
1. Develope roller scar or particle
2. Scar or particle (94 mm)
3. Transfer roller scar or particle
(47 mm)
1. Charge roller’s pressure force
unbalance
2. Dev. roller and OPC or Dev. roller
and blade’s pressure force
unbalance
3. Transfer roller’s pressure force
unbalance of each side
1. Unstable high voltage contact
2. Charge roller’s contamination
3. Contamination of heat roller
4. Malfunction of LSU
Содержание MSYS 5150
Страница 9: ...2 6 Samsung Electronics Specification Memo ...
Страница 16: ...3 26 Samsung Electronics Setup and Installing Memo ...
Страница 37: ...4 2 Samsung Electronics Theory of Operation ...
Страница 41: ...4 6 Samsung Electronics Memo Theory of Operation ...
Страница 116: ...Samsung Electronics 7 9 Maintenance Troubleshooting No Image ...
Страница 117: ...Samsung Electronics Maintenance Troubleshooting 7 10 ...
Страница 118: ...Samsung Electronics 7 11 Maintenance Troubleshooting All Black ...
Страница 119: ...7 12 Samsung Electronics Maintenance Troubleshooting Vertical White Line Band ...
Страница 120: ...Samsung Electronics 7 13 Maintenance Troubleshooting Dark Image ...
Страница 121: ...7 14 Samsung Electronics Maintenance Troubleshooting Background ...
Страница 122: ...Samsung Electronics 7 15 Maintenance Troubleshooting Ghost ...
Страница 123: ...7 16 Samsung Electronics Maintenance Troubleshooting Black Dot ...
Страница 124: ...Samsung Electronics 7 17 Maintenance Troubleshooting Horizontal Band ...
Страница 125: ...7 18 Samsung Electronics Maintenance Troubleshooting Irregular Density ...
Страница 126: ...Samsung Electronics 7 19 Maintenance Troubleshooting White Spot ...
Страница 127: ...7 20 Samsung Electronics Maintenance Troubleshooting Trembling at the End When OHP Printing ...
Страница 128: ...Samsung Electronics 7 21 Maintenance Troubleshooting Poor Fusing Grade ...
Страница 132: ...Samsung Electronics 7 25 Maintenance Troubleshooting No Power LCD NO display LED Off ...
Страница 133: ...Fuser Error 7 26 Samsung Electronics Maintenance Troubleshooting ...
Страница 134: ...Samsung Electronics 7 27 Maintenance Troubleshooting Paper Jam Mis feeding ...
Страница 135: ...7 28 Samsung Electronics Maintenance Troubleshooting Paper Jam Jam1 ...
Страница 136: ...Samsung Electronics Maintenance Troubleshooting 7 29 Engine Error ...
Страница 137: ...7 30 Samsung Electronics Maintenance Troubleshooting Memo ...
Страница 187: ...9 28 Samsung Electronics Electrical Parts List ...
Страница 189: ...11 Connection Diagram Samsung Electronics 11 1 ...
Страница 190: ...12 1 Main Circuit Diagram Samsung Electronics 12 1 12 Schematic Diagrams ...
Страница 191: ...Schematic Diagrams 12 2 Samsung Electronics Main Circuit Diagram ...
Страница 192: ...Main Circuit Diagram Samsung Electronics 12 3 Schematic Diagrams ...
Страница 193: ...Schematic Diagrams 12 4 Samsung Electronics Main Circuit Diagram ...
Страница 194: ...Main Circuit Diagram Samsung Electronics 12 5 Schematic Diagrams ...
Страница 195: ...Schematic Diagrams 12 6 Samsung Electronics Main Circuit Diagram ...
Страница 196: ...Main Circuit Diagram Samsung Electronics 12 7 Schematic Diagrams ...
Страница 200: ...12 3 Sensors Circuit Diagram Samsung Electronics 12 11 Schematic Diagrams ...
Страница 201: ...Schematic Diagrams 12 12 Samsung Electronics 12 4 Switch Circuit Diagram ...
Страница 202: ...Samsung Electronics 12 13 Schematic Diagrams 12 5 Joint Circuit Diagram ...
Страница 203: ...Schematic Diagrams 12 14 Samsung Electronics 12 6 OPE Circuit Diagram IF Active HIGH Logic IF Active LOW Logic ...
Страница 204: ...Samsung Electronics 12 15 Schematic Diagrams 12 7 PTL Circuit Diagram ...
Страница 205: ...Schematic Diagrams 12 16 Samsung Electronics 12 8 SCAN Circuit Diagram ...
Страница 206: ...Samsung Electronics 12 17 Schematic Diagrams 12 9 Engin Circuit Diagram ...
Страница 207: ...Schematic Diagrams 12 18 Samsung Electronics Engin Circuit Diagram ...
Страница 208: ...Samsung Electronics 12 19 Schematic Diagrams 12 10 LIU Circuit Diagram ...
Страница 210: ... Samsung Electronics Co Ltd Mar 1999 Printed in Korea P N JC68 00097A Rev 1 00 ELECTRONICS ...