{"product_id":"epson-cj20-sub-sub-board-for-et-8550-sensor-connector-board","title":"Epson CJ20 SUB Sub-Board for ET-8550 – Sensor Connector Board","description":"\u003cp\u003eReplace a damaged or faulty CJ20 SUB sub-board in your Epson ET-8550 with this replacement board. This board serves as an interface for multiple paper path and cassette-related sensors, helping restore proper communication between the printer's sensors and the mainboard.\u003cbr\u003e\n\u003cbr\u003e\nCompatible Model:\u003cbr\u003e\nEpson ET-8550\u003cbr\u003e\n\u003cbr\u003e\nBoard Name:\u003cbr\u003e\nCJ20 SUB\u003cbr\u003e\n\u003cbr\u003e\nConnector Functions:\u003cbr\u003e\n\u003cbr\u003e\nCN6 - Connects to the photo paper cassette sensor (yellow plug\/socket)\u003cbr\u003e\nCN5 - Connects to the paper cassette sensor (white plug\/socket)\u003cbr\u003e\nCN4 - 4-pin FFC connector connecting to the PE sensor\u003cbr\u003e\nCN3 - Connects to the RASF paper sensor\u003cbr\u003e\nCN2 - Connects to mainboard CN501\u003cbr\u003e\n\u003cbr\u003e\nImportant Notes:\u003cbr\u003e\n\u003cbr\u003e\nPlease verify your board markings and connector layout before ordering.\u003cbr\u003e\nThis listing is for the CJ20 SUB sub-board only.\u003cbr\u003e\nInstallation requires basic printer disassembly knowledge.\u003cbr\u003e\nHandle FFC connectors and sensor cables carefully to avoid damage.\u003cbr\u003e\n\u003cbr\u003e\nCommon Symptoms of a Bad Board:\u003cbr\u003e\n\u003cbr\u003e\nPrinter not detecting paper cassette properly\u003cbr\u003e\nPhoto paper tray sensor errors\u003cbr\u003e\nPaper feed or paper path detection issues\u003cbr\u003e\nSensor communication failures related to cassette or RASF input\u003c\/p\u003e\n","brand":"BCH Technologies","offers":[{"title":"Default Title","offer_id":53228611273011,"sku":"PPO-ET8550-SUBBoard","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/5648\/8499\/files\/eec53dff-3344-59ae-834e-c7c0508f082f.png?v=1775926166","url":"https:\/\/bchtechnologies.com\/products\/epson-cj20-sub-sub-board-for-et-8550-sensor-connector-board","provider":"BCH Technologies","version":"1.0","type":"link"}