# Printer main PCB assembly Brother LG7318004 for MFC‑9840CDW (regional SPEC for GER/UK/FRA)

**URL:** https://aio.lv/en/product--brother-lg7318004spec--11659124
**Data updated:** 2026-02-16 07:03 (EET)
**Category:** Printer & Copier Parts
**Manufacturer:** Brother
**Manufacturer code:** LG7318004/SPEC
**EAN:** 676737323769
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 24.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 20.65 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--brother-lg7318004spec--11659124

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.89 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

Replacement main PCB assembly (MAIN PCB ASSY) Brother LG7318004 designed for the MFC‑9840CDW printer with regional specification for Germany, UK and France. This original-equivalent board handles core control and communication functions of the device, enabling restoration of printer operation after electronic failures. Suitable for technicians and service centers performing repairs and part replacements.

## Long description

Replacement main PCB assembly Brother LG7318004 for MFC‑9840CDW (regional SPEC for GER/UK/FRA) is an original-equivalent main control board intended to restore core electronic functions of the MFC‑9840CDW printer configured for Germany, the United Kingdom and France. The board integrates processing, communication and power-management interfaces required for normal operation, allowing technicians and service centers to replace a failed main PCB and return the device to working condition without modifying other mechanical components.
Advantages
This main PCB assembly provides factory-compatible circuitry and signal routing for processing print jobs, handling user interface communication, and managing network or USB connections when present. Using a correct regional-spec board maintains regional firmware and communication settings specific to GER/UK/FRA configurations, reducing the risk of incompatibility with local language menus and telecommunication requirements. The board is designed for straightforward replacement in compatible units and supports standard diagnostic and repair procedures.
Suitable for
Service centers performing electronic repairs on Brother MFC‑9840CDW units
Technicians replacing a failed or malfunctioning main control board
Maintenance tasks that require restoring printer control and communication functions
Workshops keeping replacement parts for regional-spec devices (Germany, UK, France)
Key specifications
Function: main control PCB assembly for MFC‑9840CDW
Compatibility: regional specification for Germany, United Kingdom and France
Interfaces: board-level connections for user interface, network/USB and power-management (as per original design)
Form factor: original-equivalent PCB layout to fit standard MFC‑9840CDW chassis
Reliability: designed to match factory signal routing and component placement for compatible operation
How to use
Switch off and disconnect the printer from mains power and remove all consumables and external cables before beginning. Open the printer service panels according to the manufacturer service manual, locate the faulty main PCB and document connector positions and cable routing. Remove retaining screws and disconnect ribbon cables and plugs carefully to avoid damaging connectors. Install the replacement main PCB assembly in the original orientation, reconnect all cables to their documented positions, secure the board with original fasteners and reassemble the chassis. Reconnect power and perform standard printer initialization and diagnostics to verify communication, panel functionality and print operation.
Usage recommendations
Use this replacement PCB only in compatible MFC‑9840CDW units with the matching regional specification. Ensure firmware and regional settings are preserved or restored during service. If uncertain about compatibility or service procedures, consult the service manual or a qualified technician to avoid damage or improper configuration.

## FAQ

### How much does the Brother LG7318004 main PCB for MFC‑9840CDW cost, and is it available for purchase?

The price is 24.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 02.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Brother products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Brother service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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