Epson AcuLaser C8600 Reference Manual page 332

Worn Fuser
This message indicates that the fuser unit is near the end of its
service life. Turn the printer off, then replace the fuser unit with
a new one. Contact your dealer."Fuser Unit" on page 238
To clear this warning message and continue printing, select
from the control panel's Reset Menu. See "How to access
the control panel menus" on page 167 for instructions.
Worn Photoconductor
This message indicates that the photoconductor unit is near the
end of its service life. You can continue to print until the
recommended to maintain high print quality.
To clear this warning message and continue printing, select
from the control panel's Reset Menu. See "How to access
the control panel menus" on page 167 for instructions.
Write Error ROM A/Write Error ROM P
This message indicates an internal error in the printer. Reset the
printer. If this error persists, consult your dealer.
Writing ROM A/Writing ROM P
This message indicates an internal error in the printer. Reset the
printer. If this error persists, consult your dealer.
Wrong Photoconductr
You have installed a photoconductor unit that has not been
designed for this printer. Turn off the printer, remove the
incorrect photoconductor unit and install one designed for this
printer (S051082). See "Replacing the photoconductor unit" on
page 263.
330 Troubleshooting
error message appears, but early replacement is