ML620/ML621 User’s Guide
PROBLEM
CAUSE
SOLUTION
The content of a single line is
printed in two lines.
The left and/or right margins are not
correctly selected.
Reselect the left and right margins correctly
in the application.
When continuous forms are
used, several blank lines
appear in the print-out.
Tear-off perforation spacing is selected.
Cancel tear-off perforation spacing.
Broken and uneven vertical
lines.
May happen in bidirectional printing.
Adjust the Print Registration.
Too large or small line
spacing.
Line spacing is not set correctly.
Reset line spacing correctly in the application.
Split print
Blanks or deformed characters
appear in double-height type
or other extended types.
A paper feed error due to line feeding when
printing a single character.
Use the printer’s built-in fonts when printing
important documents or bills.
Improper cut sheet feed
No paper feed.
Sheets are located off the paper guide.
Load sheets with their left edges against the
paper guide.
Sheets are not loaded to the end.
Load sheets to the end.
Continuous forms instead of
cut sheets are fed.
The printer is in the continuous forms
mode.
Eject the continuous forms and select the
printer’s cut sheet mode.
Paper distortion.
Sheets are not loaded to the end, or they
are not inserted straight.
Load sheets to the end.
Paper with wrinkles, folds, or other defects.
Change paper.
Paper not specified for the printer.
Use paper types specified for the printer.
Unable to eject.
The
LF/FF
key was pressed.
Press the
LOAD/EJECT
key.
