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  2. HP ePrint - Wikipedia

    en.wikipedia.org/wiki/HP_ePrint

    HP ePrint via Email is a feature that most HP printers and MFPs use. HP ePrint enables printing documents attached to email messages sent to the device. The HP ePrint-capable printer or MFP must be registered to an HP ePrint cloud service called HP ePrint Center, which assigns a unique email address to the printer or MFP.

  3. Fix problems signing in to AOL Mail - AOL Help

    help.aol.com/articles/fix-problems-signing-in-to...

    Sometimes the old "turn it off and on again" actually works. In this case, try completely signing out of your account then sign back in. Many times, this will help, especially in cases of bad passwords or some simple browser issues.

  4. Printer tracking dots - Wikipedia

    en.wikipedia.org/wiki/Printer_tracking_dots

    Printer tracking dots, also known as printer steganography, DocuColor tracking dots, yellow dots, secret dots, or a machine identification code (MIC), is a digital watermark which many color laser printers and photocopiers produce on every printed page that identifies the specific device that was used to print the document.

  5. List of printing protocols - Wikipedia

    en.wikipedia.org/wiki/List_of_printing_protocols

    A printing protocol is a protocol for communication between client devices (computers, mobile phones, tablets, etc.) and printers (or print servers).It allows clients to submit one or more print jobs to the printer or print server, and perform tasks such as querying the status of a printer, obtaining the status of print jobs, or cancelling individual print jobs.

  6. Fix issues syncing AOL accounts with older third-party Mail ...

    help.aol.com/articles/fix-issues-syncing-aol...

    If you're experiencing issues syncing your AOL account with older third-party mail apps like Kindle Fire's default mail app or the Mac OS mail app:

  7. Error message - Wikipedia

    en.wikipedia.org/wiki/Error_message

    Help; Learn to edit; Community portal; Recent changes; Upload file; Special pages

  8. Wi-Fi Protected Setup - Wikipedia

    en.wikipedia.org/wiki/Wi-Fi_Protected_Setup

    Some devices with dual-band wireless network connectivity do not allow the user to select the 2.4 GHz or 5 GHz band (or even a particular radio or SSID) when using Wi-Fi Protected Setup, unless the wireless access point has separate WPS button for each band or radio; however, a number of later wireless routers with multiple frequency bands and ...

  9. Parallel port - Wikipedia

    en.wikipedia.org/wiki/Parallel_port

    In theory, the Centronics port could transfer data as rapidly as 75,000 characters per second. This was far faster than the printer, which averaged about 160 characters per second, meaning the port spent much of its time idle. The performance was defined by how rapidly the host could respond to the printer's BUSY signal asking for more data.