# Printhead HP 837 Latex Optimizer by HP (MPN 9D7Q4A) — for HP Latex printers, manufactured in Singapore

**URL:** https://aio.lv/en/product--hp-9d7q4a--11657487
**Data updated:** 2026-02-16 07:03 (EET)
**Category:** Inkjet Printer Cartridges
**Manufacturer:** HP
**Manufacturer code:** 9D7Q4A
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 167.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 138.42 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-9d7q4a--11657487

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

HP 837 Latex Optimizer Printhead is an original replacement printhead from HP (MPN 9D7Q4A), produced in Singapore. Designed for use with compatible HP Latex printers, it restores printing capability for Latex Optimizer applications and ensures proper nozzle performance. Ideal for professional wide-format and signage workflows requiring reliable printhead replacement.

## Long description

HP 837 Latex Optimizer Printhead is an original HP replacement component designed specifically for use with compatible HP Latex printers. Manufactured in Singapore, this printhead restores nozzle performance for Latex Optimizer applications and helps maintain consistent ink deposition and image quality in wide-format and signage production. The part is intended for direct replacement in supported HP Latex printer models where the Latex Optimizer printhead is required.
Advantages
The printhead is an OEM part engineered to meet HP specifications for reliability and nozzle accuracy, reducing downtime compared with non‑original alternatives. It supports consistent droplet formation for even coverage with Latex Optimizer fluids and helps preserve color fidelity and print resolution. Using a manufacturer-designed printhead simplifies service procedures and helps maintain predictable maintenance intervals in production workflows.
Suitable for
 Restoring printing capability in compatible HP Latex printers that use a Latex Optimizer printhead
 Wide-format signage and display production requiring uniform coating and ink laydown
 Print service providers performing scheduled printhead replacement or maintenance
 Workflows that require OEM parts to maintain manufacturer support and warranty conditions
Key specifications
 Type: Thermal inkjet printhead designed for Latex Optimizer fluid
 Compatibility: Designed for use in compatible HP Latex printer models requiring the Latex Optimizer printhead
 Origin: Manufactured in Singapore
 Function: Restores nozzle performance and ink deposition for the Latex Optimizer channel
 Form factor: Replacement printhead module intended for direct installation into the printer carriage or designated slot
How to use
Power down the printer and follow the manufacturer service manual or on‑screen service instructions for safe removal of the old printhead. Handle the printhead by the indicated gripping areas to avoid contact with nozzle surfaces and electrical contacts. Insert the replacement printhead into the designated slot until it seats securely, then follow the printer prompts to initialize and align the new head. Run any recommended nozzle checks and cleaning cycles to confirm proper function before resuming normal production.
Usage recommendations
Store unused printheads in their original protective packaging in a cool, dry environment and install them within the time frame recommended by the manufacturer. Use OEM or approved fluids, follow printer maintenance procedures, and perform regular nozzle checks to ensure consistent print quality and minimize the risk of premature failure.

## Specifications

### Features

| Feature | Value |
|---|---|
| Country of origin | Singapore |

### Other features

| Feature | Value |
|---|---|
| UNSPSC-code | 44103110 |

## FAQ

### How much does the HP 837 Latex Optimizer Printhead — HP 9D7Q4A cost, and is it available for purchase?

The price is 167.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 01.07.2026 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. 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 HP 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 HP 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

https://aio.lv/img/cache/product/11657487/66940727_large.webp