Epson CJ20 SUB Sub-Board for ET-8550 – Sensor Connector Board

Availability:
In-Stock
Replace 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...

$29.99

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SKU:
PPO-ET8550-SUBBoard
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Replace 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.

Compatible Model:
Epson ET-8550

Board Name:
CJ20 SUB

Connector Functions:

CN6 - Connects to the photo paper cassette sensor (yellow plug/socket)
CN5 - Connects to the paper cassette sensor (white plug/socket)
CN4 - 4-pin FFC connector connecting to the PE sensor
CN3 - Connects to the RASF paper sensor
CN2 - Connects to mainboard CN501

Important Notes:

Please verify your board markings and connector layout before ordering.
This listing is for the CJ20 SUB sub-board only.
Installation requires basic printer disassembly knowledge.
Handle FFC connectors and sensor cables carefully to avoid damage.

Common Symptoms of a Bad Board:

Printer not detecting paper cassette properly
Photo paper tray sensor errors
Paper feed or paper path detection issues
Sensor communication failures related to cassette or RASF input