Samsung ML-451 Series Service Manual page 179

► Error Code
H2–1A32
► Error message
Finisher stacker Full / Too much paper in finisher stacker. Remove printed paper
► Symptom
Finisher Full detecting sensor is damaged, harness connection loose or damaged, Main Board is damaged.
► Troubleshooting method
1) Check the Stacker Tray's Full Sensor Connection and check if Flag is damaged - The sensor must not be covered
besides the full detecting flag.
2) Check Finisher Main Board Harness Connection.
3) If the same problem happens after checking 1~2, Replace the Finisher main board.
4) If the same problem happens after checking 3, Replace the Finisher harnesses.
Copyright© 1995-2016 SAMSUNG. All rights reserved.
4. Alignment and Troubleshooting
4-78