You can use any printer as long as it connects to the device you're using to access QuickBooks Online. From there, you'll have to locate the transactions that you want to print.
For more resources in managing printing transactions, you can check these references:
When you print receipts in QuickBooks Online (QBO), the system generates them as standard letter-size PDF documents, meaning your browser's print driver controls the final output dimensions. This driver scales the PDF based on your selected paper source. To ensure the content fits your receipt correctly, please verify that your printer settings match the actual width of your thermal paper. You can also look for a Scale or Fit to page option and set it to fit.
If the issue persists, please make sure to use the latest version of Adobe Reader and set it as your browser's PDF reader to align the settings with your printer. You can seek an IT expert for further assistance in setting this up in your browser.
You can also search for third-party apps compatible with QBO that are specifically designed to support thermal printing.
Please let us know if you need further assistance.
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