Lexmark T420 Printer User Manual


 
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Defective flash
What this light sequence means:
The printer detects defective flash memory.
You must install valid flash memory before you can download any
resources to flash.
What you can do:
Press and release Continue to clear the message and continue
printing. Downloaded fonts and macros not previously stored in
flash memory are deleted.
Install valid flash memory. Refer to the Setup Guide for more
information.
Unformatted flash
What this light sequence means:
The printer detects unformatted flash memory.
You must format the flash memory before you can store any
resources on it.
What you can do:
Press and release Continue to clear the message and continue
printing. The job may not print correctly.
Reformat the flash memory. Refer to the Technical Reference on
Lexmark’s Web site for more information about reformatting
flash.
If the error message remains, the flash memory may be defective
and require replacing.