SC199

What it means

DF scanning finish error. Confirm the exact subcode against the FSM for this serial — meaning can shift by generation.

Likely causes

• ADF job never saw the finish gate. Original still in the path, or DF-GATE.

1. 1Read historySP5-990. Note the subcode and anything logged in the same minute. The standing number is often the last, not the first.
2. 2I/O then FRUSP5-803 / 5-804 on the related sensor or motor. Likely FRU: ADF.

Parts to have on the truck

• ADF

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