No ribbon detection
| Cause | Action |
|---|---|
| Electronic detectors are clogged up or switched off. | Clean the detectors or switch them on. |
| Detector setting transparent / opaque is incorrectly selected. | Select correct setting. |
| Cause | Action |
|---|---|
| Electronic detectors are clogged up or switched off. | Clean the detectors or switch them on. |
| Detector setting transparent / opaque is incorrectly selected. | Select correct setting. |