# Drive gear OKI 40355101 MICROLINE ML3320 ML3321

**URL:** https://aio.lv/en/product--oki-40355101--580934
**Data updated:** 2026-03-07 10:53 (EET)
**Category:** Printer & Copier Parts
**Manufacturer:** OKI
**Manufacturer code:** 40355101
**EAN:** 5705965183328
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 12.99 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 10.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--oki-40355101--580934

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

The OKI 40355101 drive gear is designed for use with dot matrix printers, specifically compatible with the MICROLINE ML3320 and ML3321 models. This essential spare part ensures smooth operation and reliable performance of your printer. Made in white, it is easy to install and replace, helping to maintain the efficiency of your printing tasks.

## Long description

The OKI drive gear for MICROLINE ML3320 and ML3321 is a replacement mechanical part designed to restore or maintain the feed and transport mechanisms in compatible dot matrix printers. Manufactured to match original equipment dimensions and fit, the white nylon gear engages with the printer's drive train to ensure stable ribbon and paper movement. This spare part is intended for service and repair tasks where worn or damaged gears cause feed errors, misalignment, or unusual noise during operation.
Advantages
This drive gear offers a precise fit for the MICROLINE ML3320 and ML3321 models, reducing play and slippage in the paper transport system. Made from durable, low-friction material, it helps to lower operational noise and resists wear under typical office printing loads. Its compact form and standard mounting points allow for straightforward replacement without modifying other components, helping to restore consistent print quality and reliable mechanical performance.
Suitable for
 Repairing paper feed or transport issues in OKI MICROLINE ML3320 printers
 Replacing worn or damaged gears in OKI MICROLINE ML3321 printers
 Service and maintenance of dot matrix printer drive trains
 Reducing feed-related print errors and mechanical noise
Key specifications
 Compatibility: OKI MICROLINE ML3320, ML3321 dot matrix printers
 Color: white
 Material: durable, low-friction polymer (factory standard)
 Function: drive/feed gear for paper and ribbon transport
 Mounting: designed to match original equipment mounting points and dimensions
How to use
Before replacing the gear, power off the printer and disconnect it from the mains. Access the drive train by removing the printer cover or service panel according to the service manual for the MICROLINE ML3320/ML3321. Carefully remove the worn gear from its shaft, noting any spacers or orientation. Install the replacement gear onto the shaft, ensuring it seats fully and aligns with adjacent gears and components. Reassemble the housing, reconnect power, and run a test print to verify proper paper feed and mechanical operation.
Usage recommendations
Use the replacement gear as part of routine maintenance when feed issues, slipping, or excessive noise are observed. Inspect adjacent components such as bearings, shafts, and other gears for wear and replace as needed to prevent premature failure. If unsure about service procedures, consult the printer service manual or a qualified technician to avoid damage during installation.

## Specifications

| Feature | Value |
|---|---|
| Type | Drive gear |
| Compatibility | MICROLINE ML3320, ML3321 |
| Product colour | White |
| Brand compatibility | OKI |
| Device compatibility | Dot matrix printer |
| Harmonized System (HS) code | 84439990 |

## FAQ

### How much does the Drive gear OKI 40355101 MICROLINE ML3320 ML3321 cost, and is it available for purchase?

The price is 12.99 € (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 16.07.2026 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 OKI 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 OKI 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/580934/56145702_large.webp