CA11 SUB-B - 2124763

2124763 – Sub board (CA11 Sub-B) – Epson Stylus Pro

The sub board (CA11 Sub-B, 2124763) 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 for the Stylus Pro 7900 and 9900, it appears under the designation "BOARD ASSY.,SUB" in electrical section ELEC-011 (item 201). The Stylus Pro 7900 repair manual calls it "C594 SUB-B BOARD": a sub board of the electrical bay mounted on the right-hand side, connected by 21 cables.

Technical specifications

• OEM reference: 2124763
• Manufacturer: Epson
• Part type: Sub board
• Manufacturer designation: "BOARD ASSY.,SUB" ("C594 SUB-B BOARD" in the repair manual)
• Parts list item: Section ELEC-011, item 201 (Stylus Pro 7900 / 9900)
• Connectors: 21 cables: 3 FFC ribbon cables and 18 wire cables
• Location: Right-hand side of the machine, accessible after removing the right side cover
• Note: The equivalent reference 2119911 is taken from our own data: it does not appear in any Epson parts list consulted and must not be regarded as an Epson order reference. Check against your machine reference before ordering.
• Shipping: Shipped ready to install

Compatibility & use

• Epson PX-H7000
• Epson PX-H8000
• Epson PX-H10000
• Epson STYLUS PRO 7700
• Epson STYLUS PRO 7710
• Epson STYLUS PRO 7900
• Epson STYLUS PRO 7910
• Epson STYLUS PRO 9700
• Epson STYLUS PRO 9710
• Epson STYLUS PRO 9890
• Epson STYLUS PRO 9900
• Epson STYLUS PRO 9910
• Mark the 21 cables (3 FFC ribbon cables, 18 wire cables) before removing the board so that they can be reconnected exactly as before.
• Do not confuse with the Sub C board 2124764 (item 202), another "BOARD ASSY.,SUB" in the same bay, mounted on the left-hand side.

Function

• Relay sub board of the electrical bay, connected to the rest of the machine by 3 FFC ribbon cables and 18 wire cables, according to the Stylus Pro 7900 repair manual
• 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 : 2119911

Related parts

• 2129175 — main board "BOARD ASSY.,MAIN", same section ELEC-011 (item 200)
• 2124764 — Sub C board "BOARD ASSY.,SUB" (item 202), left-hand side: not to be confused
• 1521066 / 1521067 — upper and lower relay harnesses "HARNESS,RELAY,SUB,B" (items 562 / 563)

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