The printer has a number of physical sensors but their function can vary depending on when, in the print cycle, the sensor is activated.
Sensors
Physical sensor |
Function |
---|---|
Paper low |
Input connector for the external paper low sensor. |
Paper out / Black mark |
Detects paper presence and black marks. Translucent sensor. If the documents have pre-printed information, for instance a logotype, each document usually also have a pre-printed black mark for exact positioning of the printed elements and the cutting. Because the combined paper out and black mark sensor lights through the paper, it will detect a black mark irrespective of which side of the paper that has the black mark. If the length of the detected black area exceeds the set maximum black mark length value by 5 mm this is interpreted as out of paper. |
Cutter home |
Cutter mechanism in home position. |
Presenter |
Document presence in presenter area. |
Document exit |
Document presence / Document taken. |
Based on the status of the sensors the printer can determine if there is a paper jam, for instance in the paper entrance or presenter region.