Runs in HP-45 addressing & coding systems
Collins Ink & Mailtech Cartridges — In Stock, Ships Same Day
Kao Collins inks and Mailtech's own cartridge lines — MAX2, MAX3, Ultra, Ultra Plus and Sigma solvent — for HP-45 addressing and coding systems.
MAX3 & Mailtech Ultra — our best-selling HP-45 cartridges
Sigma solvent for coated & non-porous stocks
Bulk bladders & liter bottles for high-volume shops
5.0 on Google Reviews
Established 1977 · Trusted by 250+ commercial printers & mailers
Employee Owned
Since 1977
Ships Same Day
Free local delivery
One case minimum
1 Case -> multiple pallets
We service machines
Tabbers, Inserters, Bases etc…
Cartridges On the Shelf
Every line below ships from our own stock — ordered today, shipped today.
What Our Customers Say
"Mailtech Mailing Systems have helped to elevate our imaging ability with High-speed UV inkjet systems/tabbers that will print on plastic and paper at speeds I never imagined possible…"
Steve P. · D3 Inc.
"Doug and his team have been a tremendous help to our organization. They are really down-to-earth people with high tech skills who go out of their way to insure we are successful."
Jeffrey S. · Adams DMS
"Since the mid 1990s Doug has kept us labeling and up and running. I would recommend the Mailtech company for your Mailing Services."
Jim P. · Town of Hempstead
"…They are our first choice for mailing equipment and supplies. From design to installation, their support is unparalleled."
Edo M. · Hatteras
The Right Ink for HP-45 Printers
Mailtech MAX3 — fast-drying and smudge-resistant on hard stocks including Tyvek, PVC, varnish and plastic cards, recommended in Buskro's Apollo ink guide
Mailtech Ultra & Ultra Plus — high-density blacks for high-throughput and bulk work: cartridges, heads-up cartridges with tubing, and 1 L bottles
Collins Sigma solvent — HP 45si cartridges with 12+ hour decap and 24-month shelf life per the manufacturer's data sheet
Mailtech MAX2 — quick-disconnect cartridges and 1 L bottles for bulk ink systems
Bulk formats — HP 370 ml bulk bladder black for high-volume HP-45 systems
Spot colors — CM-500 red (PMS 186) on the shelf, plus HP-compatible spot colors matched to order
Manufacturer data sheets: Collins Sigma TDS · Sigma+ TDS
House Brands You Can't Get Anywhere Else
MAX3 and Mailtech Ultra are ours. Made for HP-45 printers, sold only by Mailtech, and backed by the team that services the addressers they run in.
Frequently Asked Questions
Which cartridge should I run — MAX3, Ultra or Ultra Plus?
MAX3 for fast-dry, smudge-resistant work on hard stocks like Tyvek and plastic; Ultra and Ultra Plus for high-density black at bulk throughput. Tell us your machine and stocks — we'll match it.
Do you have solvent ink for coated envelopes?
Yes — Collins Sigma solvent in HP 45si cartridges, with 12+ hour decap, for coated and non-porous stocks.
Can I get spot colors?
Yes — CM-500 red (PMS 186) cartridges are on the shelf, and we supply HP-compatible spot colors matched to your PMS. Call with the number.
How fast can you get cartridges to my shop?
Ships same day from Deer Park — normally next-day across the Northeast, with free local delivery on Long Island.
What are Mailtech Ultra and MAX3, exactly?
Our own cartridge brands — made for mailing work on HP-45 addressers and coders, and sold only by Mailtech.