Epson AcuLaser C8600 Reference Manual page 322

Form Data Canceled
Unable to store form overlay data on the printer's Hard Disk
Drive. Either the drive is full, or the maximum number of form
overlay files has been reached. Delete any form overlay files you
no longer need, then try storing the new overlay again.
To clear this error, select
Reset Menu. See "How to access the control panel menus" on page
167 for instructions.
Form Feed
The printer is ejecting paper due to a printing error. This message
appears when the Start/Stop button has been held down for more
than 2 seconds in order to recover from a printing error.
Front Cover Open
The front cover is open. Close the cover and the error is
automatically cleared.
Hard Disk Full
The printer has insufficient memory. Delete the unnecessary data
from the Hard Disk Drive. To clear this error, select
from the control panel's Reset Menu. See "How to access
the control panel menus" on page 167 for instructions.
HDD Check
The printer is checking the Hard Disk Drive.
HDD Format ***%
The printer is formatting the optional Hard Disk Drive. ***
indicates the formatting progress.
320 Troubleshooting
from the control panel's