
Why Your DTF Printer's Capping Station is Gushing Ink - Fixing Backflow Issues
- By Ellen Joy
- On Sep 29, 2025
- Comment 0
Question:
My DTF printer's capping station is gushing ink, and I'm concerned about the backflow problem. I found your video on the subject, but I don't feel confident about taking the whole printer apart, and I'm worried I won't be able to put it back together. Is there an easier method that doesn't involve fully disassembling the unit?
Answer:
Unfortunately, the capping station is an internal mechanism of the printer, which means that most repairs do require opening the machine. If you don't feel confident doing this work, I recommend either taking the time to build that confidence through step-by-step resources, or hiring a professional repair technician to handle the job. That said, there are different levels of repair that you can explore depending on your comfort level:
-
Full Disassembly Approach (Advanced)
-
This involves removing the printer casing to access, clean, or replace the capping station entirely. I have a specialized guide for this, available on our website, which breaks down the process of disassembling the capping station down to individual gears and then reassembling it: Capping Station Assembly & Disassembly Guide (https://bchtechnologies.com/products/video-capping-station-assemble-disassemble-guide-for-l1800-1390-artisan-1430-and-1400).
-
-
Intermediate Repairs (No Full Uncasing)
-
If you'd rather not remove the printer casing, you can still remove and reinstall the capping station by following this video: Removing and Installing the Capping Station (https://youtu.be/_cZEkmgIZYc). This is less invasive but still requires careful handling.
-
-
Maintenance and Cleaning Options
-
Sometimes, backflow is caused by clogging or poor sealing. You can try unclogging and cleaning the capping station using this video: Unclogging the Capping Station (https://youtu.be/WbY_6O1-w2c).
-
Preventive care is also important. Regular maintenance can stop bigger issues before they start: Capping Station Maintenance (https://youtu.be/5yjq3ZN0qv8).
-
-
Specific Repairs for Common Failures
-
If your capping station isn't sealing or pumping properly, this guide may help: Repairing the Capping Station (https://youtu.be/5UC2IMu9V90).
-
For clogged or disconnected tubes, this tutorial shows how to restore proper flow: Rewiring Capping Station Tubes (https://youtu.be/J9im3s8UJfo).
-
And as you mentioned, if your concern overlaps with mechanical noises, I've also created related videos that cover troubleshooting printer screeching sounds: Video 1 (https://youtu.be/MjArYM-QnfU) and Video 2 (https://youtu.be/TNOG_1TtN6g).
Addressing printer issues can be a complicated affair due to the hands-on nature of the problems. That's why we're not able to provide remote troubleshooting, suggestions, or repair support. However, we do provide an in-person evaluation and repair service through our local diagnostic facility (https://bchtechnologies.com/printer-repair-service). Because of high demand, we operate on a first-come, first-served basis, and it may take a few weeks before we can accept your printer for inspection. Our repair services cover both complete printers and individual parts, with clear next steps outlined. Still, since our pricing may not be the most economical, we strongly encourage customers to also make use of self-help resources. On our YouTube channel homepage (https://youtube.com/@bchtechnologies), you can search for videos specific to your issue using the magnifying glass icon next to "About." With hundreds of tutorials created over the past nine years, this is the most efficient way to locate the right video, and YouTube may also recommend related videos from other channels that could help.
Thank you again for contacting us and for supporting our work. We appreciate your trust and hope these resources give you confidence in addressing your capping station issue.