The machine checks for dust, streaking, and other matter at the ADF scan position after setting the original and pressing [Start]. Dust detection processing is done before starting feed for a job, and then it is determined if there are streaks in the image output. The operation flow is different, depending on how the following SP codes are set.
Related SP Codes
- SP4020-001: DF Dust Detection Setting. Select On/Off (Default: 0 DF dust detection OFF)
- SP4020-002: DF Dust Detection Setting Level Switching
- SP4020-003: DF Dust Detection Setting - Correction Level Switching
- SP7852-001: DF Scan Glass - Dust Detection Counter
- SP7852-002: DF Scan Glass - Dust Detection Counter