Ldsensor Abnormal (Nosc Number) - Ricoh FT4430 Service Manual

16 April '88
ID SENSOR ABNORMAL (no SC number)
- Possible Causes -
+ Difly ID sensor or ID sensor faiiure.
- Action -
If Vsg becomes less than
displayed. The copier shifts to fixed toner supply mode.
Clean the ID sensor.
If the problem still exist, replace the PTC unit.
If the problem still exists, the ID control circuit must be bad; so, replace the
main board.
2.5
volts, the SC indicator lights but no number is
11-28