Unsupported disk
1 Remove the unsupported disk, and then install a supported one.
2 Select Continue to clear the message and continue printing. For non‑touch screen printer models, press to
confirm.
Unsupported option in slot [x] [55]
1 Turn off the printer.
2 Unplug the power cord from the wall outlet.
3 Remove the unsupported option card from the printer controller board, and then replace it with a supported card.
4 Connect the power cord to a properly grounded electrical outlet.
5 Turn the printer back on.
USB port [x] disabled [56]
Try one or more of the following:
• Select Continue to clear the message. For non-touch-screen printer models, press to confirm.
The printer discards any data received through the specified serial port.
• Select Reset active bin to reset the active bin for a linked set of bins.
• Make sure the USB Buffer menu is enabled.
Solving printer problems
• “Printer does not respond” on page 310
• “Printing problems” on page 312
• “Hardware and internal option problems” on page 319
• “Paper feed problems” on page 323
• “Print quality problems” on page 325
Troubleshooting 309
