Dots Appear In The Printout; Print Quality Or Tone Is Uneven - Epson WorkForce AL-M300 Series User Manual

Cause
The Density setting may be too dark.
There may be a temporary problem with the toner or
developer.

Dots appear in the printout

Cause
The paper path inside the printer may be dusty.
Your paper may be moist or damp.
The paper type setting may not be appropriate for the
loaded paper.
The printer may be being used in a location at a high
altitudes.
There may be a temporary problem with the toner or
developer.
The transfer roller may be dusty.
The photoconductor unit may be near the end of its
service life.

Print quality or tone is uneven

Cause
Your paper may be moist or damp.
AL-M300/AL-M400 Series
What to do
In the printer driver, click Extended Settings on the Optional
Settings tab, and then lighten the Density setting.
If the Density setting in the Printing Menu is set to 5, change it
back to 3.
Try to perform Dev Refresh or Toner Refresh in the Printer
Adjust Menu. Note that Toner Refresh consumes the toner.
See "Printer Adjust Menu" on page 90 for details.
What to do
Clean internal printer components by printing three pages with
only one character per page.
Do not store paper in a humid or damp environment. Be sure to
use paper that is newly unwrapped.
Set the appropriate paper type in the printer driver.
Adjust the TR settings in the Printer Adjust Menu. See"Printer
Adjust Menu" on page 90 for details.
Adjust the Highland setting in the Printer Adjust Menu. See
"Printer Adjust Menu" on page 90 for details.
Try to perform Dev Refresh or Toner Refresh in the Printer
Adjust Menu. Note that Toner Refresh consumes the toner.
See "Printer Adjust Menu" on page 90 for details.
Perform BTR Cleaning in the Printer Adjust Menu. See
"Printer Adjust Menu" on page 90 for details.
Replace the photoconductor unit. See "Replacing Consumable
Products/Maintenance Parts" on page 125.
What to do
Do not store paper in a humid or damp environment.
User's Guide
Troubleshooting 157