Samsung ML-1665 Service Manual page 65

Alignment and Troubleshooting
3) Multi-Feeding
Description : Multiple sheets of paper are fed at once.
1. Solenoid malfunction
(the solenoid does not work properly)
Replace the solenoid if necessary.
Clean the pad friction with soft
2. Cassette holder pad is
contaminated with foreign clothe dampened with IPA
matter.(oil...) (Isopropyl Alcohol).
4-17
Service Manual
Samsung Electronics