Lexmark T420 User Reference page 102

Busy, Defragmenting flash, Formatting flash,
Programming flash, Printing a directory, Printing a
font list, Printing menu settings page(s), or Printing
Print Quality Test Pages
What this light sequence means:
• The printer is busy receiving and processing data or
printing.
• The printer is defragmenting the flash memory to reclaim
storage space occupied by deleted resources.
• The printer is formatting the flash memory.
• The printer is storing resources, such as fonts or macros,
in flash memory.
• The printer is printing a directory, font list, menu settings
pages, or Print Quality Test Pages.
What you can do:
• Busy:
– Wait for the message to clear.
– Press and release Cancel to cancel the print job.
– Press and hold Cancel to reset the printer.
• Defragmenting flash, formatting flash, or programming
flash:
– Wait for the message to clear.
– Warning: Do not turn the printer off while this message is
displayed.
• Printing a directory, a font list, menu settings pages, or
Print Quality Test Pages:
– Wait for the pages to print. The Busy message is displayed as
the pages print. The Ready/Data light is on when printing
stops.
– Press and release Cancel to cancel printing.
– Press and hold Cancel to reset the printer.
• Receiving/processing data from a host interface:
– Wait for the message to clear.
– Press and release Cancel to stop processing.
– Press and hold Cancel to reset the printer.
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