User Manual

The paper source is set to tractor feeding. Set the paper release lever to the single-sheet position.
The paper is not loaded properly. See “Loading Single Sheets” on page 37 for instructions on
loading single sheet paper.
Paper is creased, old, too thin, or too thick. See “Paper” on page 113 for information on paper specifications
and use new, clean sheets of paper.
Paper does not eject completely.
Cause What to do
The paper may be too long. Press the LF/FF button to eject the page. Use paper that is
within the specified range. See the paper specifications in
“Paper” on page 113.
Continuous paper does not feed properly
The tractor does not feed the paper.
Cause What to do
The paper release lever may be in the wrong
position.
Set the paper release lever to the continuous paper position.
Insert a new sheet.
Continuous paper is not loaded properly. See “Loading Continuous Paper” on page 31 for instructions on
loading continuous paper with the tractor you want to use.
The center paper support is not located at the
center of the paper width.
Set the center paper support to the center of the paper width.
Your paper may be the wrong size or thickness
for the printer.
Make sure that the paper size and thickness are within the
specified ranges. See “Paper” on page 113 for information on
the continuous paper specifications.
The paper supply is not aligned with the printer. Make sure you align your paper supply with the paper loaded in
the tractor so the paper feeds smoothly into the printer. See
“Positioning the continuous paper supply” on page 31.
The sprocket units are positioned incorrectly for
the width of paper you are using.
Adjust the position of the sprockets to remove any slack along
the width of the paper.
Note:
If paper is jammed in the paper path, see “Clearing a Paper Jam”
on page 82 for instructions.
The tear off position setting is set incorrectly. Adjust the tear off position using the Micro Adjust function. See
“Adjusting the tear off position” on page 45 for more
information.
The paper does not eject properly.
LQ-780/LQ-780N User’s Guide
Troubleshooting 80