IBM 1220 - Manual (Page 113)

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What this message means:
Data has been sent to the printer through a parallel port, but the parallel port is disabled.
What you can do:
• Press Go to clear the message. The printer discards any data received through the parallel
port.
• Make sure the Parallel Buffer menu item in the Parallel Menu is not set to Disabled.
See also:
Parallel Buffer
What this message means:
Data has been sent to the printer through a USB port, but the USB port is disabled.
What you can do:
• Press Go to clear the message. The printer discards any data received through the USB port.
• Make sure the USB Buffer menu item in the USB Menu is not set to Disabled.
See also:
USB Buffer
56 Parallel
Port <x> Disabled 56 Std Parallel
Port Disabled
56 USB Port <x>
Disabled 56 Standard USB
Port Disabled