This is one of the more common receipt printers used with Square Payments. It generally costs less than $200. It come in white and black color. It has an auto-cutter to slice receipt paper for you. It uses thermal paper so you never never need to fill it with ink. It is generally easy to maintain and add paper when you need it. So this is a printer that works well in a wide variety of environments. However, if you are in a kitchen or some area where the air is moist you may want to get an impact printer as thermal paper does not work well in moist environments where there is little ventilation. ​Here is the user manual for the Star Micronics SM-S230i.
*Note: We have had some Sellers complain about the receipts printing over too many pages when they want it to only print on one. The trick is to reduce the scale of the image within your printing options until it fits. (see screenshot)
Bixolon Srp-350iii Direct Thermal Printer – Monochrome – Desktop – Receipt Print – 2.83″ Print Width – 9.84 In/s Mono – 180 Dpi – 64 Mb – Usb – Serial – Thermal Paper, Receipt – 3.27″ (srp-350iiicosg)
I do appreciate your post though and I wanted to let you know that we are working to provide support for more printers and your feedback is welcome! For example, we recently launched support for several Epson printers which can be used with Square on iOS devices (the full list of printers is here). 
Barcode PrinteriPad Point of SaleBarcode ScanneriPad Barcode ScannersCash DraweriPad Cash DrawersCredit Card ReaderiPad Receipt PrintersGift Card PrintingiPad POS StandsMobile ComputeriPad POS KitsPOS SoftwareiPad POS Apps
The STAR MICRONICS SM-T300I is also a light weight receipt printer. But it’s very durable and rugged. It’s also Apple MFi certified for iOS phone and iPads. It also works with Android and Windows. It’s been tested to take a little bit of beating and is used by people who are outside a lot. Having said that the price is higher than other printers. If you need something rugged, this device may be the one for you. But if you don’t. You will want to look at something else as this device can get expensive. The SM-T300i is easy to use. There is a well written and very detailed user manual. The user manual gives details on how to configure the receipt printer and how to load paper. Here is a link to the Star Micronics SM-T300i User Manual.
Here are more informative websites.

I already had the square reader and just was tired of it being in other spots or being charged. The dock was a great addition to the square stand and the printer. Very easy to use. Just attach to the square stand and put the reader in. The dock has weight to it so i dont have to worry about it falling especially in the spot i put it. Definitely reccomend
Be sure the printer and the iPad are connected to the same network. To confirm this or change your Wi-Fi network, go to the iPad’s Settings and tap “Wi-Fi” located in the left sidebar. Then select the network that the router is broadcasting and click “Connect”.
Great product and great company to work with. I at first ordered the TSP143U which is a USB Printer to work with a Tablet to set up a POS system at my business. Once I got it, I realized that if I had the printer plugged into the tablet there was no additional port to then charge the tablet. I contacted the company and they gladly accepted my return and let me reorder this LAN Printer. I highly recommend this vendor and their product.
USB ESC/POS COMMANDS but i have to find my correct programming language to use it (java/jscript/PHP) I don’t know if I can Use VB on my custom pos system but if anyone knows me, i will figure out and will work…
A simple print button on the tablet application would allow us to connect to a local or network printer and print the same form data. Why is this still impossible? Why can we still not utilize our desktop or local printers to print receipt data from the app? 
We bought this thermal printer for work. It works well as described, but there are some programs that don’t use the printer, and setting up the printer is less than intuitive/easy for the average user. I had to go into advanced settings and follow advice on forums to get it to function the right way.
Fonts Included: Fonts: 10 SLCS Resident Bitmap Fonts One SLCS Resident Scalable Font 23 Code Page Graphics: Supporting user-defined fonts, graphics, formats, and logos Barcode Symbologies: 1D: Coda Bar, Code39, Code93, EAN-8, EAN-13, Interleaved 2-of-5, ITF, UCC/EAN-128, UPC-A, UPC-E 2D: Data Matrix, MaxiCode, PDF417, QR Code (select two only)
Cash Drawer   Features: This cash drawer box is made from robust steel. Comes with RJ11 cable, plug for connection to receipt printers. Standard-duty, fast and reliable cash drawer. The 3-position …
You can add your logo and text to your receipt. This is done with software that is included with the receipt printer. By adding your logo to your receipts you have a place to advertise your business. You can also put your phone number on your receipt or your website URL. This is a good thing to do if you’re selling at a craft show, fair, farmers market and etc. The customer may not remember your name and may not go online to search for your website. But if you put your website on the receipt you have a better chance of the customers visiting your website to make a purchase.
I had a issue with the printer not turning on due to a malfunctioning square pos stand from square up. I spent about 3 hours on it , I called the customer service and a nice guy was able to guide me thru. It turns out the iPad air needed a software update to a iOS 11 beta 2 in order to work and connect. He helped me out on the products I didn’t even buy from him. He even directed me to a link to exchange my square pos stand. If you ever had to work squareup customer service you would know how lengthy and tedious it can get. He was able to help me bypass a lot of the complication and the product I brought was just the cash drawer and printer and it was in great and working condition. After I got my iPad air updated and pos stand exchanged everything connected and works perfectly now! This saves me over a thousand dollars!! I am so happy with my result I reorder another one from them!
If you want a small and easy to carry receipt printer, this may be it. It weighs less than half a pound. It is easy to carry around. For people who sell at craft shows, farmers markets and historical fairs this may be the receipt printer.
Addresses in the following State Codes AK, HI, AE, AP, AA, PR, GU, MP, PW, AS, VI, FM and APO/FPO addresses with U.S. ZIP Codes will ship for free with value shipping. You will see this noted in checkout.
Buying this combo and getting each Square POS piece individually was much cheaper than buying it from Square as part of their whole POS system. Plus, we were able to get our entire Square system in matching white. Cash box plugs into printer with a cable that looks like a phone cable, so it doesn’t require a USB port.
Hi @McNabbGames — I went ahead and combined your thread with another seller’s who had a similar question. I can assure you that we’re always looking into more affordable hardware options for our sellers. As for the technical explanation, from my limited understanding (I’m not an engineer), each printer manufacturer has a specific driver for their hardware, and since manufacturers don’t build printer drivers for Square Register, we would have to build one for each printer model – which is something we don’t have the bandwidth to do. 
Like I said the only issue im having which is not the printers fault is me utilizing the ESC/POS commands but I was having that issue with my other printer simply because I don’t program in C# and VB.Net(ALTHOUGH IT HAS SOME SAMPLES FOR VB6 FOR THOSE WHO STILL USE VB6!!)
Product – Bixolon Srp-350plusiii Direct Thermal Printer – Monochrome – Wall Mount – Receipt Print – 2.83″ Print Width – 11.81 In/s Mono – 180 Dpi – 64 Mb – Usb – Parallel – Ethernet – 3.15″ (srp-350plusiiicopg)
You don’t need to screw around with the extra settings, just turn on the cash drawer before/After print and be done. All of that coupon set up, barcode stuff on there is good but is best to use within your software development for better control but it too is useful. I use code 3-9 and scanner picks it right up for my transaction numbers. Now you do have programming options to setup the cutter and all of that but for those needing something fo there store on a quick, serve my customers base, this is by far the best and a heck of a lot cheaper that the t88 models by which I don’t see any difference by any means
STAR Micronics TSP143LAN futurePRNT POS Point of Sale Thermal Receipt Printer. No Ethernet cable Included. 1 Partial roll of thermal paper. Tested to print test page. test page placed inside each prin…
You are buying one slightly used Epson tm-t20 model M249A thermal printer. Test page shows working perfectly. Comes with printer and power cord. I will ship out immediately upon payment. 100% satisfac…
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Fonts Included: Font Size: 5 x 9 / 7 x 9 Character Size: 1.2 (W) x 2.42 (H) / 1.5 (W) x 2.42 (H) mm Character Set: 95 Alphanumeric, 32 International Code Pages: 40 Character Per Inch (CPI): 16.9 / 14.1
The Star Micronics SM-S230i is light weight at only 7.7 ounces. It is small and easy to carry around. If you’re someone who sell at a farmers market, craft fair or some other place where mobility is very important, the Star Micronics SM-S230i may be what you need. It uses thermal paper and connects to your iPhone, iPad with bluetooth or USB. ​Here is the user manual for the Star Micronics SM-S230i.
If you accept credit card payments from your customers at your place of business, you’ll want a receipt printer. A receipt printer automatically prints a receipt for your customer when they make a purchase.