---
product_id: 445296050
title: "PXMB9/C9345 Ink Maintenance Box Tank (C12C934591) for ET-8550 WF-7840 WF-7820 WF-7310 ET-8500 ET-16600 ET-5850 ET-5800 D570 EC-C7000 ET-16650 ST-C8090 ET-5880 ST-C8000 Printers"
brand: "poschink"
price: "$37.55"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/445296050-pxmb9-c9345-ink-maintenance-box-tank-c12c934591-for-et-8550
store_origin: US
region: United States of America
---

# Leak-free, stable chip design 20% more ink absorption Universal fit for 15+ pro printers PXMB9/C9345 Ink Maintenance Box Tank (C12C934591) for ET-8550 WF-7840 WF-7820 WF-7310 ET-8500 ET-16600 ET-5850 ET-5800 D570 EC-C7000 ET-16650 ST-C8090 ET-5880 ST-C8000 Printers

**Brand:** poschink
**Price:** $37.55
**Availability:** ✅ In Stock

## Summary

> 🖨️ Keep your printer fresh, your projects flawless!

## Quick Answers

- **What is this?** PXMB9/C9345 Ink Maintenance Box Tank (C12C934591) for ET-8550 WF-7840 WF-7820 WF-7310 ET-8500 ET-16600 ET-5850 ET-5800 D570 EC-C7000 ET-16650 ST-C8090 ET-5880 ST-C8000 Printers by poschink
- **How much does it cost?** $37.55 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/445296050-pxmb9-c9345-ink-maintenance-box-tank-c12c934591-for-et-8550)

## Best For

- poschink enthusiasts

## Why This Product

- Trusted poschink brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Responsive Support:** Get expert help within 12 hours to keep your printing game strong.
- • **Leak-Proof Reliability:** Engineered with a super-absorbent sponge and robust PE structure for zero mess.
- • **Seamless Compatibility:** Fits a wide range of Epson EcoTank, WorkForce, and WorkForce Pro models effortlessly.
- • **Hassle-Free Replacement:** Comes with everything you need in one box for quick, no-fuss maintenance.
- • **Maximize Printer Uptime:** Absorbs 20% more waste ink to keep your workflow uninterrupted.

## Overview

The PXMB9/C9345 Ink Maintenance Box Tank is a premium replacement part designed for Epson EcoTank and WorkForce series printers. Featuring a super-absorbent sponge that holds 20% more waste ink and a leak-proof PE structure, it ensures stable, mess-free operation. Compatible with over 15 professional-grade printer models, this maintenance box comes complete with all necessary components and backed by responsive customer service for seamless printer upkeep.

## Description

PXMB9/C9345 Ink Maintenance Box Tank (C12C934591) for ET-8550 WF-7840 WF-7820 WF-7310 ET-8500 ET-16600 ET-5850 ET-5800 D570 EC-C7000 ET-16650 ST-C8090 ET-5880 ST-C8000 Printers

## Features

- Part Number: C9345/C12C934591/PXMB9.
- Compatible Printers: The C9345 Ink Maintenance Box works with WF-7840 ET-8550 WF-7820 WF-7310 ET-8500 ET-16600 ET-5850 ET-5800 EC-C7000 ET-16650 D570 ST-C8090 ET-5880 ST-C8000 Printers.
- Stable & Reliable: Super-absorb sponge and strong PE structure helps to hold 20% more waste ink, leak-free, stable chips.
- What's In The Box: Maintenance box x 1, PE seal bag x 1. Everything you need to replace the maintenance box is in the box, easy to do.
- Our Service: If you have any problems related to this C9345 maintence box, contact our service and you will get response within 12 hours.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product grade | like new |
| Fit type | Universal |
| UPC | 771077981300 |
| Manufacturer | Poschink |
| Model | Ink Maintenance Box Tank |
| Product Dimensions | 6.35 x 6.35 x 6.35 cm; 132 g |
| Item model number | C9345 |
| Manufacturer Part Number | C9345/C12C934591 |
| Special Features | compatible |
| Item Weight | 132 g |

## Product Details

- **Brand:** Poschink
- **Material:** Polyethylene (PE)
- **Item dimensions L x W x H:** 6.4 x 6.4 x 6.4 centimeters
- **Exterior finish:** Polyethylene
- **Item weight:** 0.13 Kilograms

## Images

![PXMB9/C9345 Ink Maintenance Box Tank (C12C934591) for ET-8550 WF-7840 WF-7820 WF-7310 ET-8500 ET-16600 ET-5850 ET-5800 D570 EC-C7000 ET-16650 ST-C8090 ET-5880 ST-C8000 Printers - Image 1](https://m.media-amazon.com/images/I/61-ucxJOXlL.jpg)

## Questions & Answers

**Q: Do you remove the film over the hole at the end of the box?**
A: My particular Products is the T04D1.
I have another brand new one in the cellophane wrapping and I do not see a film anywhere on the box.

**Q: Does it work for Epson workforce WF-2860?**
A: Yes the epson WF-2860 uses T04D1 maintenance box.

**Q: ET-3830 printer. To check the maintenance tank remaining capacity, on manual illustration, is the dark area the remaining or is white area?**
A: white.

**Q: Does it work on ET 2400?**
A: It doesn't look like this maintenance box will work for your printer. Search Amazon, if you have not, for ET2400 and see if you can find it listed. The list is quite long.

## Frequently Bought Together

- Poschink PXMB9/C9345 Ink Maintenance Box Tank (C12C934591) for ET-8550 WF-7840 WF-7820 WF-7310 ET-8500 ET-16600 ET-5850 ET-5800 D570 EC-C7000 ET-16650 ST-C8090 ET-5880 ST-C8000 Printers
- CenDale Premium DTF Ink 600ML- DTF Transfer Ink for PET Film, Refill for DTF Printers Epson ET-8550, XP-15000, L1800, L805, R1390, R2400, Heat Transfer Printing Direct to Film (100ml x 6, CMYK Wh)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-12*