Samsung CLP-510/XBH Service Manual page 131

Troubleshooting
- Deterioration of Printing Quality for Specific Color.
- Uneven Color Density
- Whited out area
Service Manual
8-8
Cause
If the of Toner Cartridge is bad
If the alignment betweem the OPC and ITB
Units is not carrect.
Uneven contact between OPC and ITB or
between ITB and T2 roller.
Cause
Uneven contact between OPC and ITB or
between ITB and T2 roller.
Uneven color may occur when a toner
cartridge has just been installed.
Cause
Moisture or wet paper.
Creases in paper.
Fault occurs in Duplex Printing only.
Sequence of Treatment
Check or replace the Toner Cartridge.
Re-install the OPC and ITB Units.
Re-install or replace the ITB Unit.
Check T2 roller, solenoid and cam operation.
Sequence of Treatment
Re-install or replace the ITB Unit.
Check T2 roller, solenoid and cam operation.
Make test printing a couple of times.
Sequence of Treatment
Ensure paper is stored properly and is not damp.
Check paper storage conditions.
1) Creases : Replace the Guide Input.
2) Replace the Fuser Unit.
3) Check OPC, Drum, Toner Cartridge and ITB
Unit for contamination and replace as required.
Replace the Duplex Unit.
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