




Epson C9345 / C12C934591 Maintenance Box is a replacement maintenance tank / waste ink box for compatible Epson inkjet printers. A maintenance tank collects waste ink generated during printhead cleaning, ink charging and maintenance cycles. Replace it before the printer stops because the tank or pad is full.
Epson EcoTank Pro ET-5800, ET-5850, ET-5880, ET-16600, ET-16650; WorkForce WF-7310, WF-7820, WF-7840, EC-C7000, ST-C8000, ST-C8090 and related regional L151xx / L65xx models; confirm exact printer model.
Important: Epson maintenance boxes and waste ink pads vary by printer generation, regional model, chip/contact position and physical shape. Confirm the old tank or pad before ordering.
| Reference / Part Number | C9345 / C12C934591 reference |
| Product Type | Maintenance Tank |
| Part Type | Maintenance Tank / Waste Ink Box |
| Compatible Printers | Epson EcoTank Pro ET-5800, ET-5850, ET-5880, ET-16600, ET-16650; WorkForce WF-7310, WF-7820, WF-7840, EC-C7000, ST-C8000, ST-C8090 and related regional L151xx / L65xx models; confirm exact printer model. |
| Replacement Note | This product has tank and decoder/chip-related options. Confirm whether the customer needs the maintenance box or the chip decoder accessory. |
| Source Note | B&H lists Epson C9345 / C12C934591 as an ink maintenance box for selected WorkForce and EcoTank Pro printers including ET-5800, ET-5850, ET-5880, ET-16600, ET-16650 and WF-7310. Broader regional fitment should be confirmed by old box shape and model label. |
| SKU | Option |
|---|---|
| Maintenance Tank - 005 | A Style Yellow Box C9345 Maintenance Tank (Smart Chip Plug and Play) |
| Maintenance Tank - 005 - 1 | B Style White Box C9345 Maintenance Tank (Smart Chip Plug and Play) |
| Maintenance Tank - 005 - 2 | USB C9345 Chip Decoder 1pc (With USB Cable) |
Send the printer model, current maintenance tank or waste pad photo, chip/contact side photo, tank shape and any printer error message if you are not sure. For products with chip, decoder or tank options, choose the exact item needed.
Follow the printer maintenance procedure. Do not tilt a used maintenance tank after removal because waste ink may leak. After replacement, check that the printer recognizes the tank or that any required waste ink counter reset has been completed.
Is this the same as an ink cartridge? No. It is a waste ink collection part, not printable ink.
Can I choose only by product code? Product code is important, but the old tank shape, chip/contact position and regional printer model should still be confirmed.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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