Samsung SCX-82x0 series Service Manual page 352

● Code :
U3-4210
● Symptom / Cause:
DADF cover is open.
● Troubleshooting method:
1. Close DADF cover properly.
2. If this error occurs continually, Check the following:
a) Check DADF cover open sensor(0604-001393)
it.
b) If both of them are normal, check the Cover-Ope
03273A). )
Service Manual
7. Troubles
● Error message :
Top door of scanner is op
shooting
pen.
) and the harness. If there is a defective part, replace
en Rib. If it is broken, replace Cover-Open(JC63-
7-U -16
SAMSUNG ELECTRONICS