Dell 5535dn Mono Laser MFP - Manual (Page 242)

55 Unsupported option in slot
is a slot on the printer system board.
Try one or more of the following:
1 Turn the printer power off.
2 Unplug the power cord from the wall outlet.
3 Remove the unsupported option card from the printer system board.
4 Connect the power cord to a properly grounded outlet.
5 Turn the printer power back on.
56 Parallel port disabled
is the number of the parallel port.
Try one or more of the following:
• Touch Continue to clear the message.
The printer discards any data received through the parallel port.
• Make sure the Parallel Buffer menu item is not set to Disabled.
56 Serial port disabled
is the number of the serial port.
Try one or more of the following:
• Touch Continue to clear the message.
The printer discards any data received through the serial port.
• Make sure the Serial Buffer menu item is not set to Disabled.
56 Standard parallel port disabled
Try one or more of the following:
• Touch Continue to clear the message.
The printer discards any data received through the parallel port.
• Make sure the Parallel Buffer menu item is not set to Disabled.
56 Standard USB port disabled
Try one or more of the following:
• Touch Continue to clear the message.
The printer discards any data received through the USB port.
• Make sure the USB Buffer menu item is not set to Disabled.
Understanding printer messages
242