# Developer Unit for HP LaserJet — Black replacement component, OEM HP LaserJet Black Developer Unit

**URL:** https://aio.lv/en/product--hp-laserjet-black-developer-unit--11843883
**Data updated:** 2026-03-09 15:00 (EET)
**Category:** Printer & Copier Parts
**Manufacturer:** HP
**Manufacturer code:** LaserJet Black Developer Unit
**EAN:** 5704174892076
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 75.49 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 62.39 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-laserjet-black-developer-unit--11843883

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

Replacement black developer unit designed for HP LaserJet printers. This OEM developer unit handles the toner development stage, ensuring correct transfer and image formation for monochrome laser printing. Intended as a maintenance part for service and repair, it is used to restore print quality in office or home monochrome LaserJet devices that require a new developer assembly.

## Long description

The HP LaserJet Black developer unit is a replacement component designed for monochrome HP LaserJet printers. This OEM developer unit performs the toner development stage, controlling the formation and transfer of the toner image onto the drum or intermediate transfer surface. As a maintenance part for service and repair, it restores consistent black-and-white output and helps return printed pages to the expected density and sharpness when print quality has declined.
Advantages
This replacement developer unit is manufactured to match the original HP specifications, ensuring compatibility with supported LaserJet models and predictable performance. It supports stable toner development, which results in uniform density, reduced background speckling, and improved text clarity. Using an OEM developer unit reduces the risk of damage to other imaging components and preserves the printer’s designed print characteristics.
Suitable for
Restoring print quality in monochrome HP LaserJet printers
Routine maintenance and service operations in office or home environments
Repair workflows where the developer assembly shows wear, contamination, or inconsistent output
Key specifications
Function: toner development assembly for monochrome laser printing
Color: black developer for black-and-white output
Type: OEM replacement component designed to meet original equipment tolerances
Application: installed in the printer’s imaging section to control toner transfer and density
How to use
Power off the printer and follow the manufacturer’s service instructions for accessing the imaging assembly. Remove the used developer unit according to the printer’s maintenance guide and install the replacement unit in the correct orientation until it clicks or seats securely. After installation, close any access panels and run the printer’s calibration or cleaning cycle if available to stabilize toner distribution and restore normal print density.
Usage recommendations
Handle the developer unit carefully to avoid exposure to light and contamination. Store spare units in a cool, dry place in their original packaging until installation. If print quality issues persist after replacement, inspect related components such as the imaging drum, toner cartridge, and fuser, and consult authorized service guidance.

## FAQ

### How much does the HP LaserJet Black Developer Unit cost, and is it available for purchase?

The price is 75.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 09.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can HP LaserJet Black Developer Unit be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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

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