HP Designjet T1500

HP Designjet Printer Series Security Settings
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3.13 Disable USB drive
You can use this option to disable the USB drive preventing somebody connecting a device to print or to scan images.
3.14 Disable firmware update through USB
This option is used to disable the possibility of upgrading the printer by installing the firmware via a USB device.
3.15 Disable direct print using ePrint&Share
In some printers, when you connect a computer directly with a USB cable, you can print without installing any driver.
This can be done by launching the ePrint&Share application that resides inside the printer. This feature can disable
direct printing so that you cannot print through the USB unless you have the driver (or ePrint&Share) installed in the
computer.
3.16 Disable ePrint Center connectivity
This feature disables the ePrint Center functionality preventing somebody printing remotely to the printer.