BOARD ASSY SUB - 2147857

2147857 – Sub board (Board Assy Sub) – Epson SureColor

The sub board (Board Assy Sub, 2147857) is fitted to Epson printers. It provides the electronic control of a machine sub-system and passes the signals to the main board.

In the Epson parts lists, the "BOARD ASSY.,SUB" 2147857 is filed in the carriage section ("carriage"), together with the carriage and its harnesses; it is also sold under the name "CR board" (carriage board). The parts lists for the SureColor SC-F7100 / SC-F7170 / F7180 and SC-F7200 / SC-F7270 / F7280 also include it.

Technical specifications

• OEM reference: 2147857
• Manufacturer: Epson
• Part type: Sub board
• Manufacturer designation: "BOARD ASSY.,SUB" (Epson, item 518)
• Location: Print carriage ("carriage")
• Alternative reference: 2142881, "BOARD ASSY.,SUB" in older parts lists (SureColor SC-F7000, SC-B7000, SC-S30600), given as "Alternative Part Number" by distributors
• Note: The equivalent reference 2144067 given on this page was not found in any of the Epson parts lists consulted (SureColor SC-S50600, SC-S70600, SC-F9200, SC-F7000) or at distributors: it is kept for information only and should be checked on the part label before relying on it. The SureColor SC-S50680, SC-S70680, SC-S70675 and SC-F9280 in the compatibility list do not appear in the parts lists consulted (probably regional variants, not verified).
• Shipping: Shipped ready to install

Compatibility & use

• Epson SureColor SC-S70610
• Epson SureColor SC-S50600
• Epson SureColor SC-S70600
• Epson SureColor SC-S50670
• Epson SureColor SC-S50680
• Epson SureColor SC-S70670
• Epson SureColor SC-S70680
• Epson SureColor SC-F9200
• Epson SureColor SC-F9270
• Epson SureColor SC-F9280
• Epson SureColor SC-S50610
• Epson SureColor SC-S70650
• Epson SureColor SC-S70675
• Epson SureColor SC-F7100
• Epson SureColor SC-F7170
• Epson SureColor SC-F7180
• Epson SureColor SC-F7200
• Epson SureColor SC-F7270
• Epson SureColor SC-F7280
• Epson SureColor SC-S30600
• Epson SureColor SC-S30650
• Epson SureColor SC-S30670
• Epson SureColor SC-S50650
• Epson SureColor SC-F7000
• Epson SureColor SC-F7070
• Epson SureColor SC-B7000
• Epson SureColor SC-B7070
• On the SureColor SC-F7000, SC-B7000 and SC-S30600, the original parts list gives the board under reference 2142881; distributors offer the 2147857 for these machines. Note the reference on the board fitted before ordering.

Function

• Carriage sub board ("CR board"): listed in the carriage section of the Epson parts list, together with the CR encoder harness, the CR sensor cable and the CR harness
• Provides the electronic control of a sub-system
• Passes the signals to the main board
• Acts as the interface between firmware and hardware

Signs of wear

• Sub-system not driven
• Electronic errors
• Loss of internal communication
• Erratic behaviour or machine stops

Replacing this part restores the machine to proper working order.

Equivalent references : 2144067

Related parts

• 2142288 — "HARNESS,CR,ENCODER": carriage encoder harness (SureColor SC-S50600 parts list)
• 2139289 — "CABLE,SENSOR,CR": carriage sensor cable (SureColor SC-S50600 parts list)
• 2142295 — "HARNESS,CR": carriage harness (SureColor SC-S50600 parts list)

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