MAIN BOARD ASSY - 2147858

2147858 – Main board (Main Board Assy) – Epson SureColor SC-S50600

The main board (Main Board Assy, Epson reference 2147858) is the main control board of the Epson SureColor SC-S50600 series eco-solvent large-format printers.

It drives all the functions of the machine. This board carries several equivalent references: 2147858 and 2139139 (Epson codes), and CB78MAIN (internal board name). An Epson original part (BOARD ASSY., MAIN), with integrated memory. It is 100% compatible with the Epson SureColor SC-S50600, SC-S50610, S50650 and SC-S50670 models.

Important: a new factory board is supplied without firmware or NVRAM data — its installation and programming must be carried out by a qualified technician.

Technical specifications

• OEM reference: 2147858
• Manufacturer: Epson
• Part type: Main board
• Equivalent references: 2139139 (alternative Epson code) ; CB78MAIN (internal board name)
• Designation: BOARD ASSY., MAIN
• Memory: Integrated
• State: Epson original, new
• Installation: By technician (firmware / NVRAM to program)
• Weight: ~1.5 kg
• Shipping: Shipped ready to install

Compatibility & use

• Epson SureColor SC-S50600
• Epson SureColor SC-S50610
• Epson SureColor SC-S50670
• Epson SureColor SC-S50680

Function

• Drives the main functions of the printer (general control)
• Manages the print data and the communication
• Coordinates the boards and parts of the machine
• Ensures the overall operation of the system

Signs of wear

• Printer no longer starts or initialises
• System errors, crashes, interrupted communication
• Machine functions inoperative
• Erratic behaviour, random electronic faults

A new factory board is supplied without firmware or NVRAM data — installation and programming by a qualified technician are required.

♻️ DG Spare Parts – European specialist in spare parts for large-format printers and plotters.