The Font On The Printout Is Different From That On The Screen; The Printer Fonts Cannot Be Installed; The Edges Of Texts And/Or Images Are Not Smooth - Epson WorkForce AL-M400DN User Manual

The printer or its driver does not appear in utilities in the printer configuration
(Mac OS only)
Cause
The printer name has been changed.

The font on the printout is different from that on the screen

Cause
The PostScript screen fonts are not installed.
For Windows users only
The appropriate substitution fonts are not correctly
specified on the Device Settings tab of the printer's
Properties dialog box.

The printer fonts cannot be installed

Cause
The Emulation Menu in the printer's Control Panel is not
set to PS3 for the interface that you are using.

The edges of texts and/or images are not smooth

Cause
The Print Quality is set to Fast.
AL-M300/AL-M400 Series
What to do
Ask the network administrator for details, then select the
appropriate printer name.
What to do
The PostScript screen fonts must be installed on the computer
that you are using. Otherwise, the font that you select is
substituted by some other font for display on the screen.
Specify the appropriate substitution fonts using the Font
Substitution Table.
What to do
Change the Emulation Menu setting to PS3 for the interface that
you are using, then try reinstalling the printer fonts again.
What to do
Change the Print Quality setting to Fine.
User's Guide
Troubleshooting 167