378
Troubleshooting
Print quality or tone is uneven
Half-tone images print unevenly
Cause
What to do
Your paper may be moist or damp.
Do not store paper in a humid or damp
environment.
There may be no toner left in the
toner cartridge.
If the message on the LCD panel or in
EPSON Status Monitor 3 indicates that the
amount of toner is low, replace the toner
cartridge. See "Toner Cartridge" on page
315.
There may be a problem with the
photoconductor unit.
Replace the photoconductor unit. See
"Photoconductor Unit" on page 319.
The
Highland
setting may not be set
correctly for printing in a location at
a high altitude.
Select
1
as the
Highland
setting when
printing in a location at a high altitude.
See "Printer Adjust Menu" on page 260 for
instructions
Cause
What to do
Your paper may be moist or damp.
Do not store paper in a humid or damp
environment. Be sure to use paper that is
newly unwrapped.
There may be no toner left in the
toner cartridge.
If the message on the LCD panel or in
EPSON Status Monitor 3 indicates that the
amount of toner is low, replace the toner
cartridge. See "Toner Cartridge" on page
315.
The gradation setting is too small
when printing graphics.
On the Basic Setting menu in the printer
driver, click More Settings, select the
Enh.MG button, then select Smooth.
There may be a problem with the
photoconductor unit.
Replace the photoconductor unit. See
"Photoconductor Unit" on page 319.
