Samsung SCX-6322DN - Page 84

Troubleshooting
Service Manual
6-7
Samsung Electronics
Poor Fusing 1. Use recommended paper?
2. Check fusing temperature.
3. The machine was under the low tempera ture
for a long time?
1. Should use recommended paper.
2. Check engine controller board. If you have
not thermometer, measure the thermistor
voltage to CPU, If 2.3V±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.
Error Status Check Solution
Partial blank image
(not periodic)
1. Toner is low?
2. The toner cartridge is out of position?
1. Replace Toner cartridge.
2. Checkand adjust.
Partial blank image
(periodic)
1. Develop roller scar or particle.
2. Scar or particle. (94.3 mm)
3. Transfer roller scar or particle. (56.6 mm)
1. Replace toner cartridge.
2. Replace drum cartridge.
3. Replace transfer roller.
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Different image density
(left and right)
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. Replace drum cartridge.
2. Replace toner cartridge and drum cartridge.
3. Check left and right spring of transfer roller
and the spring pressing the toner cartridge
inside the machine
Horizonral band 1. Unstable high voltage contact
2. Charge roller’s contamination
3. Contamination of heat roller
4. Malfunction of LSU
1. Clean each contact and check good contact
2. Clean charge roller
3. Replace fuser unit
4. Check Main PBA.