HP INCFollow


This is a solution to mitigate paper jam using spot sensor mounted on carriage. Spot sensor is a light emission and light receiving sensor. With carriage movement, spot sensor shines light on printzone and reads reflected light to determine paper presence, printed pattern response etc. This article describes two applications using spot sensor: detect paper skew before and while printing; detect paper jam in printzone after print job.

Creative Commons License

Creative Commons License
This work is licensed under a Creative Commons Attribution-Share Alike 4.0 License.