# Developer Unit HP LaserJet Z7Y91A Yellow

**URL:** https://aio.lv/en/product--hp-z7y91a--280800
**Data updated:** 2025-12-31 12:35 (EET)
**Category:** Printer & Copier Parts
**Manufacturer:** HP
**Manufacturer code:** Z7Y91A
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 152.49 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 126.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-z7y91a--280800

## 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 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The HP LaserJet Developer Unit Z7Y91A in yellow is designed for high-quality printing. It ensures vibrant color reproduction and sharp text. This developer unit is compatible with various HP LaserJet printers, providing reliable performance and longevity. With easy installation and maintenance, it helps reduce downtime and improves productivity in any office environment.

## Long description

The HP LaserJet Developer Unit Z7Y91A in yellow is a service part for HP Color LaserJet Managed MFP E77822, E77825 and E77830 series printers. It supports high-volume color printing and is intended to deliver consistent yellow toner development for accurate color reproduction and sharp graphics in business and production environments.
Advantages
This developer unit is engineered for compatibility with specified HP Color LaserJet Managed MFP models and is rated for a yield of approximately 300,000 pages. It provides stable color output over long print runs, reduces the need for frequent replacements, and is designed for straightforward installation to minimise printer downtime.
Suitable for
High-volume office color printing
Marketing materials and brochures requiring consistent yellow tones
Departments or print rooms handling large monthly page counts
Key specifications
Manufacturer: HP
Model / MPN: Z7Y91A
Color: Yellow
Compatible with: HP Color LaserJet Managed MFP E77822, E77825, E77830
Yield: ~300,000 pages
Category: Printer & Copier parts
How to use
Power off the printer and follow the printer service manual for safe removal of the old developer unit. Unpack the new HP Z7Y91A developer unit, avoid touching the roller surfaces, and insert it into the designated slot until it clicks into place. Power on the device and run any required calibration or color alignment procedures as specified in the printer menu to ensure optimal print quality.
Usage recommendations
Store the developer unit in its original packaging in a cool, dry place away from direct sunlight. Use genuine HP consumables and perform regular printer maintenance (such as cleaning and firmware updates) to maintain color consistency and maximise the life of the developer unit.

## FAQ

### How much does the Developer Unit HP LaserJet Z7Y91A cost, and is it available for purchase?

The price is 152.49 € (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 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: Cash payment, 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 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/280800/68528663_large.webp