
Pressure Gauge Kit for ET-8550 – Diagnose & Optimize Your Printhead Performance
$129.99 $199.99
Product Overview
The Pressure Gauge Manometer Kit for ET-8550 is an essential diagnostic tool designed for precise pressure measurement of the capping station. This kit allows you to test and monitor your printer's vacuum pressure, ensuring optimal printhead function and preventing damage. Whether you're troubleshooting cleaning issues, checking for seal integrity, or fine-tuning manual priming, this digital manometer provides real-time pressure readings to help you make informed maintenance decisions.
What's Included?
- Digital Pressure Gauge - Accurately measures pressure in kilopascals (KPa).
- Pressure Adapter - Converts liquid pressure to air pressure for accurate readings.
- Two Extension Tubes - Provides flexibility for easy connection.
- Two Straight Adapters - Ensures compatibility with your ET-8550 printer's capping station.
How It Works
This kit connects directly to the ink intake of the capping station, where the pressure adapter converts liquid pressure into air pressure. The converted air pressure is then fed into the digital manometer for precise measurement.
Key Applications & Benefits
1️⃣ Test the Seal of the Capping Station and Printhead
A worn-out or improperly installed capping station creates a gap between the capping pad and printhead, preventing proper cleaning and priming.
By running the capping station while monitoring the pressure differential, you can detect seal failures before they cause printhead damage.
2️⃣ Understand the Printer's Built-In Cleaning Function
Epson printers use a vacuum-based cleaning function designed to stay below the rupture threshold of the printhead's internal membrane.
By measuring the maximum vacuum pressure during a normal cleaning cycle, you can establish a safe baseline pressure for manual cleaning and unclogging.
Prevent Color Mixing: If too much suction is applied, the printhead's membrane can rupture, causing ink from different colors to mix. This tool ensures you never exceed safe pressure levels.
3️⃣ Provide Guidance for Manual Cleaning & Priming
The best method for unclogging a printhead is to suck ink from the waste tube while the printhead is parked on the capping station.
Bottom suction is far superior to pushing ink from the top, as it naturally draws ink through the nozzles without forcing contaminants deeper.
However, excessive vacuum pressure can also rupture the membrane, leading to irreversible damage. With this pressure gauge, you can monitor and control the suction force to avoid over-exertion.
Why Choose This Kit?
✔ Accurate & Real-Time Pressure Readings - Prevent excessive vacuum force that could damage your printhead.
✔ Essential Diagnostic Tool - Identify capping station issues, seal failures, and pressure inconsistencies.
✔ Easy to Use - Connects directly to your ET-8550 printer with included adapters and tubing.
✔ Extend Printhead Lifespan - Proper cleaning and maintenance reduce costly printhead replacements.
Ideal For:
✅ DTF users, DIY printer enthusiasts, and professional repair technicians who need a precise pressure monitoring tool for optimal printer maintenance.
Upgrade your ET-8550 maintenance routine with the Pressure Gauge Manometer Kit and take the guesswork out of cleaning, priming, and troubleshooting your printhead.
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GREAT!!!!! I've been using this ink for my Epson printer and my aunts printer for 4 years now. I've found no faults with it .No bleed through or fading, It just works.
Robert Webb
Standard 600 ml 4-Color Refill Ink for All Printers (KD600X-CU)

Great!! Worked like it supposed too!! You guys been a great service to the people that like to work on equipment that they bought for personal use! Or maybe work environment!... and I'll be advertising for BCH on how prompt and educational you guys are!!.... thank you for your service!!
Rodney DuBois
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The main board works again! Prior to purchasing the main board, my Epson WF-3640 would give the 0x9a error code, which I deduced was due to a short-circuited clogged printhead, that blew out the fuse on the main board. Disassembling the printer, I had checked the main board fuse with a multimeter and sure enough, it was blown. So, I chose to buy a main board from BCH, as I was sure I could not fix the fuse itself. I also bought some new cables for the print head/main board as one of them looked burnt where it was inserted in the print head. I purchased a used printhead elsewhere, though, as BCH didn't seem to have one in stock. After installation, the printer worked again, though the used printhead--again purchased elsewhere--was clogged. I can't blame that on BCH, which is why I stress that I purchased the printhead elsewhere. Nevertheless, everything from BCH worked perfectly. It may work too perfectly, for when I initially powered up the unit without ink cartridges, I didn't get any error message saying to install cartridges. I don't know why that is. It could be just the way the WF-3640 works and I had never noticed it before, but once everything was installed, it merely said the nozzle and/or printhead was clogged and asked me to run a cleaning. All in all, I am very satisfied and would purchase from BCH again should I have the need to do so. Lastly, the YouTube videos and BCH website instructions were spot on! I had initially wired back the mainboard incorrectly but I re-watched the video and found my error before I powered up the unit. My only regret is that I accidentally may have left the "Anonymous Anonymous" review below without adding text, which I have remedied with this comment.
David Ahmad
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