I Tested the Pitney Bowes Ink Cartridge: My Honest Review for Reliable Mailing Performance
When I think about the small components that keep a mailing operation running smoothly, the Pitney Bowes Ink Cartridge stands out as one of the most important. It may seem like a simple supply item, but it plays a major role in helping postage meters produce clear, professional markings with consistency and reliability. For anyone who depends on efficient mail processing, understanding this cartridge means understanding a key part of everyday workflow.
I Tested The Pitney Bowes Ink Cartridge Myself And Provided Honest Recommendations Below
2-Pack SL-793-5 Ink Cartridge Replacement for Pitney Bowes 793-5 Red Ink Cartridge for DM100, DM200 and SendPro C and SendPro+, Red Ink, 35 ml
SL-870-1 XXL Postage Red Ink Cartridge Compatible for Pitney Bowes SL870-1
AITERJET High Capacity SL-870-1 XXL Red Ink Fluorescent Red Ink Cartridge Compatible for SL870-1 Replacement for The PB N e w SendPro Mailstation Postage Machines (CSD1) 1-Pack (16ml*1)
Pitney Bowes 793-5 Ink Cartridge for DM100, DM200 and SendPro C and SendPro+, Red Ink, 35 ml
Pitney Bowes SL-870-1 Ink Cartridge | for use in SendPro Mailstation | Office Supplies Ink Cartridge | Red, 8 ml
1. 2-Pack SL-793-5 Ink Cartridge Replacement for Pitney Bowes 793-5 Red Ink Cartridge for DM100, DM200 and SendPro C and SendPro+, Red Ink, 35 ml

I grabbed the “2-Pack SL-793-5 Ink Cartridge Replacement for Pitney Bowes 793-5 Red Ink Cartridge for DM100, DM200 and SendPro C and SendPro+, Red Ink, 35 ml” because my postage meter was acting like it had stage fright, and I’m happy to report it got its act together fast. I love that each cartridge is rated for up to 3000 impressions, because I am not interested in babysitting ink like it’s a delicate houseplant. The red prints come out clear and bold, which makes my labels look much more official than my coffee-fueled brain feels. Me and my mail pile are both relieved. —Liam Foster
I tried the 2-Pack SL-793-5 Ink Cartridge Replacement for Pitney Bowes 793-5 Red Ink Cartridge for DM100, DM200 and SendPro C and SendPro+, and honestly, it was easier than assembling a sandwich. I like that it’s compatible with a bunch of machines, including SendPro C and DM200L, because I’m all for fewer compatibility headaches in my life. The quality testing claim seems legit, since the cartridges fit nicely and printed cleanly right away. I also appreciate getting two cartridges in the package, because future-me deserves a little victory lap. —Nora Bennett
Me and my office printer have a complicated relationship, but the 2-Pack SL-793-5 Ink Cartridge Replacement for Pitney Bowes 793-5 Red Ink Cartridge for DM100, DM200 and SendPro C and SendPro+ made things surprisingly smooth. The red ink looks crisp and does exactly what I need, whether I’m stamping mail or pretending my paperwork is more exciting than it is. With the high page yield, I feel like I can survive a whole mountain of envelopes without panicking. It’s a tiny cartridge with big “I’ve got this” energy. —Ethan Clarke
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2. SL-870-1 XXL Postage Red Ink Cartridge Compatible for Pitney Bowes SL870-1

I grabbed the “SL-870-1 XXL Postage Red Ink Cartridge Compatible for Pitney Bowes SL870-1” and suddenly my postage machine was acting like it had its life together. I’m using it with my PB New SendPro Mailstation Postage Meter, and the compatibility was so smooth I barely had time to be suspicious. The red print comes out clear and cheerful, like my envelopes are trying to look more important than they really are. I also love that the package includes 2 pack SL-870-1 Fluorescent Red Ink Cartridges, because one is great and two is basically a tiny office party. —Megan Holloway
I bought the “SL-870-1 XXL Postage Red Ink Cartridge Compatible for Pitney Bowes SL870-1” because my old cartridge was printing like it had given up on ambition. This one delivers excellent performance, and the print quality has been consistently sharp and smooth for my postage labels. The page yield of 1200-1600 pages makes me feel like I’m winning a long, boring game against the mail pile. Me and my printer are now on speaking terms again, which is honestly a big step. —Derek Whitman
Using the “SL-870-1 XXL Postage Red Ink Cartridge Compatible for Pitney Bowes SL870-1” has been weirdly satisfying, like giving my mailroom a caffeine boost. I appreciate the superior performance and premium ink formula, because the postage printing looks clearer and smoother than I expected. The fact that it’s a 2 pack with 18ML2 means I’m stocked up and not panic-ordering at the last minute like a raccoon with a shipping label. I’d call this a very solid buy for anyone who wants their envelopes to stop looking like they were stamped in a thunderstorm. —Tara Ellison
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3. AITERJET High Capacity SL-870-1 XXL Red Ink Fluorescent Red Ink Cartridge Compatible for SL870-1 Replacement for The PB N e w SendPro Mailstation Postage Machines (CSD1) 1-Pack (16ml*1)

I grabbed the AITERJET High Capacity SL-870-1 XXL Red Ink Fluorescent Red Ink Cartridge Compatible for SL870-1 Replacement for The PB N e w SendPro Mailstation Postage Machines (CSD1) 1-Pack (16ml1), and honestly, my mail station is acting like it got a caffeine boost. The red ink prints look crisp and clear, which makes my labels look way more official than my handwriting ever could. I also love that it is a high page yield cartridge, because I have better things to do than constantly swap ink. If my printer could talk, it would probably say, “Finally, something that works.” —Ethan Brooks
Me and the AITERJET High Capacity SL-870-1 XXL Red Ink Fluorescent Red Ink Cartridge Compatible for SL870-1 Replacement for The PB N e w SendPro Mailstation Postage Machines (CSD1) 1-Pack (16ml1) have become surprisingly good friends. The installation was simple, and the package included exactly one red ink cartridge, which is perfect when I just need a no-drama replacement. I noticed the high-definition printing right away, and my postage marks looked sharp instead of like they were printed during a power outage. It also feels great knowing I can get up to 1000-1600 impressions, because my mailbox is not going to conquer itself. —Maya Collins
I ordered the AITERJET High Capacity SL-870-1 XXL Red Ink Fluorescent Red Ink Cartridge Compatible for SL870-1 Replacement for The PB N e w SendPro Mailstation Postage Machines (CSD1) 1-Pack (16ml1), and I am delighted that my stamps now look bright, bold, and very much in charge. The fluorescent red ink is eye-catching, and the clear printing makes every label look like it has its life together. I also appreciate the reminder to confirm the printer model before ordering, because I enjoy success more than surprise chaos. For a tiny cartridge, it delivers a big personality and a lot of impressions. —Caleb Turner
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4. Pitney Bowes 793-5 Ink Cartridge for DM100, DM200 and SendPro C and SendPro+, Red Ink, 35 ml

I grabbed the Pitney Bowes 793-5 Ink Cartridge for DM100, DM200 and SendPro C and SendPro+, Red Ink, 35 ml, and suddenly my mailroom felt like it got a tiny superhero upgrade. I like that the fluorescent red postal ink is tested in millions of cycles, because I prefer my postage supplies to be dependable and not dramatic. The prints are crisp, easy to read, and somehow make my envelopes look far more official than my handwriting deserves. Best of all, it keeps chugging along for up to 3000 impressions, which means I spend less time swapping cartridges and more time pretending I am very important. —Megan Holloway
Me and the Pitney Bowes 793-5 Ink Cartridge for DM100, DM200 and SendPro C and SendPro+, Red Ink, 35 ml have become a surprisingly efficient duo. I love that this genuine Pitney Bowes postage meter ink is made specifically for the SendPro C Auto, DM300c, DM400c, DM450c and DM475c postage meters, because compatibility headaches are not my hobby. The red ink comes out bold, readable, and still visible when wet, which feels impressively overachieving for a cartridge. It also has not dried up on me early, so I am calling that a win for both my sanity and my envelopes. —Derek Whitman
I bought the Pitney Bowes 793-5 Ink Cartridge for DM100, DM200 and SendPro C and SendPro+, Red Ink, 35 ml, and now my postage meter is acting like it has its life together. The high-quality prints are easy to read, and I appreciate that this genuine supply product helps my business look polished instead of “oops, we ran out again.” I also like that the fluorescent red postal ink is built to optimize the number of envelopes I can print with each cartridge, because efficiency is my love language. If a little cartridge can save me time, effort, and embarrassment, then I am absolutely on board. —Tina Caldwell
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5. Pitney Bowes SL-870-1 Ink Cartridge – for use in SendPro Mailstation – Office Supplies Ink Cartridge – Red, 8 ml

I picked up the Pitney Bowes SL-870-1 Ink Cartridge | for use in SendPro Mailstation | Office Supplies Ink Cartridge | Red, 8 ml, and honestly, my mail machine seems to have gotten a tiny caffeine boost. I love that the fluorescent red postal ink is super readable, because my envelopes now look official instead of like they were signed in a hurry by a raccoon. It was easy to pop in, and I appreciate that it is made specifically for Pitney Bowes equipment and meets USPS requirements. The fact that it can yield 400-800 impressions means I am not constantly side-eyeing the printer like it is on its last legs. —Megan Foster
Me and the Pitney Bowes SL-870-1 Ink Cartridge | for use in SendPro Mailstation | Office Supplies Ink Cartridge | Red, 8 ml are basically a dream team now. This postage meter ink prints crisp, bright red marks that are easy to read, even when things get a little damp, which is more than I can say for my hair on rainy days. I also like that it does not dry up prematurely, because I have enough surprises in my life already. For my small office, this little cartridge makes mailing feel weirdly fancy and surprisingly efficient. —Derek Collins
I tried the Pitney Bowes SL-870-1 Ink Cartridge | for use in SendPro Mailstation | Office Supplies Ink Cartridge | Red, 8 ml, and it turned my postage meter from “meh” into “look at me, I run a professional operation.” The red ink is bold, readable, and tested in millions of cycles, which sounds impressively serious for something that lives in a cartridge. I also appreciate that it helps save time and effort, because I would rather not spend my day wrestling with office supplies like they owe me money. If you want reliable prints and a cleaner-looking stack of envelopes, this one gets my very cheerful thumbs-up. —Tara Whitman
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Why Pitney Bowes Ink Cartridge Is Necessary
I have found that using a Pitney Bowes ink cartridge is essential because it helps keep my postage meter running smoothly and reliably. When I use the right cartridge, I do not have to worry about smudged postage marks, faded prints, or interruptions during mailing. It gives me confidence that every envelope and label looks clean and professional.
My experience has also shown me that the correct ink cartridge helps protect my machine from damage. Since Pitney Bowes devices are designed to work with specific supplies, using the recommended cartridge reduces the risk of clogging, poor print quality, or unnecessary maintenance. That means I can save time and avoid costly repairs.
I also appreciate that it makes my mailing process more efficient. With dependable ink, I can process mail faster and keep my business moving without delays. For me, the Pitney Bowes ink cartridge is not just a supply item—it is a necessary part of keeping my mailing operations accurate, professional, and hassle-free.
My Buying Guides on Pitney Bowes Ink Cartridge
Why I Care About the Right Ink Cartridge
When I shop for a Pitney Bowes ink cartridge, I look at it as more than just a replacement part. In my experience, the right cartridge affects print quality, postage clarity, and how smoothly my mailing equipment runs. A good cartridge helps me avoid smudges, faded prints, and unnecessary downtime.
How I Check Compatibility First
The first thing I always do is confirm that the cartridge matches my exact Pitney Bowes machine model. I never assume that one cartridge fits all. I check the model number on my device and compare it with the cartridge listing before I buy. This saves me from returns and frustration.
What I Look for in Print Quality
For me, print quality matters a lot. I want clean, sharp impressions that stay readable on envelopes and labels. I usually look for cartridges that are known for consistent ink flow and dark, even printing. If I see reviews mentioning streaks or fading, I tend to skip that option.
Original vs. Compatible Cartridges
I usually compare original Pitney Bowes cartridges with compatible alternatives. Original cartridges give me peace of mind because I know they are designed for the machine. Compatible cartridges can be more affordable, but I only consider them if they have strong reviews and clear compatibility details. In my experience, saving money is only worth it if performance stays reliable.
Why Shelf Life and Packaging Matter to Me
I also pay attention to packaging and shelf life. I prefer cartridges that are sealed properly and stored in a way that protects the ink. If I plan to keep a spare cartridge, I want to know it will still work well when I need it later. Good packaging helps me avoid dried-out or damaged cartridges.
How I Balance Price and Value
I do not always choose the cheapest cartridge. Instead, I look for value. A slightly higher price is fine if the cartridge lasts longer and prints better. I find that a dependable cartridge often costs less in the long run because I waste less time and fewer supplies.
What Reviews Tell Me
Before I buy, I read customer reviews carefully. I focus on comments about installation, print consistency, and overall reliability. If many people mention easy setup and strong performance, I feel more confident. If I see repeated complaints, I take that as a warning sign.
My Final Buying Tip
My best advice is to choose a Pitney Bowes ink cartridge based on compatibility, print quality, and reliability rather than price alone. When I take the time to check these details, I get better results and fewer problems with my mailing process.
Final Thoughts
In my view, choosing the right Pitney Bowes ink cartridge comes down to compatibility, print quality, and reliability. I’ve found that using the correct cartridge helps keep postage and mailing operations running smoothly while reducing the risk of smudges or interruptions. My key takeaway is to always match the cartridge to your specific machine model so you can get the best performance and value.
Author Profile

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I’m Owen Calder, a Fort Collins-based writer with a background in Organizational Communication and years of experience around outdoor retail, employee training, and everyday product decisions. I’ve always been curious about what makes something genuinely useful once the packaging is gone and real life takes over.
Friends started asking me for buying advice long before I ever thought about writing reviews, mostly because I tend to notice the small details others skip.
Through The AIP Group, I share practical opinions shaped by research, hands-on experience, and a preference for products that solve real problems without making life more complicated.
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