HiTi Digital 630PS, Service Manual, Page: 14 / 80

Ver. Ex.1.1
Confidential
2003/7/8
Fig 13. Ribbon Cassette Sensor (Front View)
Fig 14. Ribbon Cassette Sensor (Back View)
3.1.5.6 Ribbon LED/Ribbon Sensor
It’s used to detect the ribbon status, enable printer to control the ribbon scrolling
correct. Detect ribbon color. In yellow or overcoat layer, ribbon sensor senses
HIGH. In magenta and cyan layer, ribbon sensor senses LOW.