About Special Media Cleaning Sheets - Epson 400 User Manual

If ink smears on your documents when printing on thick
special media, such as envelopes or index cards, set the
adjust lever to the "+" position. To change the setting, open
the printer cover and position the lever as shown below.
Note:
Return the adjust lever to the "0" position before printing on media of
normal thickness. Leaving the lever in the "+" position may cause
gaps in the printed image.

About special media cleaning sheets

Cleaning sheets packaged with EPSON special media should
not be used with this printer. The cleaning function performed
by these sheets is not necessary with this type of printer, and
the sheets could jam in the printer.
Printing on Special Paper
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