Samsung ML-1665 Service Manual page 81

Alignment and Troubleshooting
10) Ghost (3)
Description : White ghost occurs in the black image printing at 47 mm intervals.
Occur in the developer cartridge,
replace the developer and try to
1. The life of the developer
may be expired. print out.
Check the approved voltage of the
2. The abnormal voltage and
supply roller and contact of the
bad contact of the terminal of the
terminal and adjust if necessary.
supply roller
4-33
Service Manual
Samsung Electronics