Square is not interested in using anyone but Star. And their attitude is that they frankly don’t care. I know, I have emails from them about it. If I was to guess, I would bet they have a deal with Star that funds their (insert pizza parties, to silk pockets). But lets be realistic. I mean it has to be something viable, right? The fact that Star uses the same print protocals that Epson uses has no bearing on an Epson receipt printer not working. It goes in the same line as Android devices can’t use bluetooth devices… although that new chip reader is bluetooth. It is a lack of customer service and they need to step up to the plate, or someone is going to come along and take their business away from them.
APG CASH DRAWER VB554A-BL1616 Vasario Cash Drawer, USB INTERFACE, Painted Front with Dual Media Slots, 16.2”W x 16.3”D x 4.3”H, Adjustable Width Slots, 5 bill/5 coin till. COMPATIBLE WITH SQUARE STAND. Color: BLACK, VB554A-BL1616 $322.78 $240.88
Square Register Kitchen Printer, Star SP742ML (LAN) Ethernet Interface Receipt Printer with Auto-Cut and Internal Universal Power Supply, No Interface Cable, Charcoal/Dark Grey Color, SP742ML-GRY – 37999320
The following hardware accessories are compatible with Square Stand. All hardware connecting directly to the Square Stand but will connect to the stand via USB. Note that with Square Stand you can use either a cash drawer that plugs into the receipt printer or one that plugs into the USB block of the Square Stand. We recommend using the printer connection since the printer connected cash drawer is simpler and less expensive than the USB version.
This printer is terrible. It always has connectivity issues and it is constantly jamming. Worst mistake i made for my business. We have to keep it off until we get a customer otherwise it keeps printing no host receipts and it jams. Called star micronics they said it was probably an issue on my end. WRONG! MY other register, which is hooked up by same switch board, has an Epson printer and it gives no issues. Do not buy this printer for your business. Go with an Epson. Same amount of $, no problems.
Receipt Printer Compatible With Square, A cash drawer needs to be linked to an invoice printer to open immediately. Otherwise, you’ll have to buy hand open the drawer utilizing the money drawer secret. * This standard money drawer is not able to link to an invoice printer.

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The printer is great and works as described, but the product description is misleading. It says that it is a bluetooth printer AND cash drawer, which would imply they both are bluetooth. In the extra bullet points it further states its not a usb cash drawer (which would lead one to believe it was bluetooth because nothing else works with Square). What they send is a cash drawer that connects via a phone jack cable. This is not stated anywhere in the description. I needed a bluetooth cash drawer to go with the bluetooth printer and my wireless computer system. It also advertises that it is for a SQUARE POS system. Well, that uses USB or bluetooth. NOT A STUPID PHONE JACK CABLE!! I looked all over for what I thought this was and find it isn’t! Very disappointed. Now what do I do with a useless cash drawer? Oversize paperweight?
1. Receipt Printer Connection: If the cash drawer is connected to the receipt printer: Whenever you print a receipt, the printer also sends a “drawer open” signal to the cash drawer and your cash drawer will open automatically.
58mm POS Printer 384 line Thermal Dot Receipt 12v USB Printer Set w/ Roll Paper Package Content: 1 x Thermal Printer 1 x Instruction Manual 1 x Printer Driver 1 x USB Cable 1 x Power Cord 1 x 58mm The…
SM-T300i Mobile Printer (SM-T300I2-DB50 US GRY), 3-Inch Print Width, Bluetooth 2.0, Serial Interface, (Includes Serial Cable, Battery Pack, AC Charger, Sample Paper Roll), Color: Gray (Part Number: 39634010)
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). 
Square Register Star TSP654 LAN Thermal Receipt Printer with Auto-Cut, Ethernet/LAN Interface, Dark Grey Color, No Power Supply, No Interface Cable – TSP654L-24GRY – 37999540 **TSP654L-24GRY has been Discontinued – Replace with TSP654IIE3-24 GRY**
Ethernet invoice printers can be utilized to print consumer bills, order tickets and order ticket stubs. Ethernet-interface printers are best for fixed usage and aren’t developed to be mobile.The Ethernet printers suitable with Square Register are thermal printers. They need heat-sensitive paper and will not deal with non-thermal invoice paper. These kinds of printers aren’t perfect for kitchen areas or high-temperature workspace.
Last but not least, though I’m enough of a geek that the code itself would have been interesting and fun for me, it was really special getting to see first-hand how the product truly helped people. Meeting a merchant who had previously only been able to give out handwritten receipts, handing her a Bluetooth printer, and seeing how our new feature would make her job easier was the highlight of my summer.
GOOJPRT PT – 210 58MM Bluetooth Thermal Printer Portable Wireless Receipt Machine for Windows Android iOS. – With Bluetooth 4.0 function, support Android, iOS and Windows, convenient for you to print …
Features: 100% Brand new and high quality! Compared to conventional thermal receipt printer, the printer has a smaller mini body, more reliable capability, more stable printing and portable advantages…
As a bluetooth only device, it is a bit glitchy. If you are wanting to use it with a phone/tablet only as a standalone device, look elsewhere. The miura m010 reader works great for this, though is unfortunately not available on amazon.
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Complete your countertop POS system with this Square register kit. Print paper receipts, daily sales reports and summaries right from your iPad. Includes, Square reader, Star Ethernet Printer, APG 13″ Vasario Cash Drawer, drawer cable, extra 2 rolls of thermal receipt paper and installation support. 
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.
I have a friend who runs a small shop and knew the Esky ES-CD01 Heavy Duty RJ-12 Key-Lock Cash Drawer would be perfect for his application. This drawer was a massive upgrade to the system he had been using. He had tried other drawers with different connections and designs, however this one was really the best.
I don’t have any personal use of this but this item says it takes usb input and converts it to the connection that would come out of the printer from what I understand.  It may work, it may not.  There are no reviews that are helpful of the product.