Epson AcuLaser C4000 Quick Reference page 11

Worn TransferUnit
This message warns you that the transfer
unit is near the end of its service life. You can
continue to print until the Replace
TransferUnit error message appears, but
early replacement is recommended to
maintain high print quality.
To clear this warning message and continue
printing, select Clear Warning from the
control panel's Reset Menu. For instruction
about accessing the control panel menus, see
"How to access the control panel menus."
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.
Wrong Photoconductor
An inappropriate photoconductor unit is
installed. Install only the photoconductor
unit listed in "Consumable products" in the
Reference Guide.
See "Photoconductor Unit" in the Reference
Guide for instructions on replacing the
photoconductor unit.
XXXX Toner Cart Out
The indicated toner cartridges are not
installed in the printer. (The letters C, M, Y,
or K appear in place of XXXX and indicate
the colors Cyan, Magenta, Yellow, and Black
respectively.)
Install the indicated cartridges. See "Toner
Cartridges" in the Reference Guide.
EPSON AcuLaser C4000 Quick Reference
XXXX Toner Low
The indicated toner cartridges have less than
10% of toner remaining. (The letters C, M, Y,
or K appear in place of XXXX and indicate
the colors Cyan, Magenta, Yellow, and Black
respectively.)
You can continue to print until the XXXX
Toner Out error message appears. Waiting
until this message appears before replacing
the toner is recommended as toner may spill
during replacement if toner remains in the
cartridge. When printouts become faint, see
"Toner Cartridges" in the Reference Guide for
instructions.
Note:
Do not replace the toner cartridge when the
XXXX Toner Low message appears. Toner
remaining in the toner cartridge may spill
out if you remove the toner cartridge to
replace it. Replace the toner cartridge when
the XXXX Toner Out message appears.
If you replace the toner cartridge before the
XXXX Toner Out message appears, it is not
detected as a new toner cartridge and the
XXXX Toner Low warning may not be
cleared.
To clear this error, select Clear Warning
from the control panel's Reset Menu. For
instruction about accessing the control panel
menus, see "How to access the control panel
menus."
XXXX Toner Out
The indicated toner cartridges are out of
toner and need to be replaced. (The letters C,
M, Y, or K appear in place of XXXX and
indicate the colors Cyan, Magenta, Yellow,
and Black respectively.)
See "Toner Cartridges" in the Reference Guide
for instructions.
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