Epson DLQ-3500 User Manual page 92

Paper on the paper guide is
positioned too far to the left,
right or inside for the paper
sensor to detect it.
The printer sounds like it is printing, but nothing prints.
Cause
The ribbon cartridge is not
installed properly.
The ribbon is worn out.
The paper source is not
selected correctly.
The printer makes a strange noise and stops abruptly.
Cause
The paper is jammed.
The ribbon is jammed
because it has too much slack
or it is worn out.
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Move the paper a little to the right, left
or inside. When it is positioned
properly, the Paper O ut and Paus e
lights go off.
What to do
Reinstall the ribbon cartridge as
described in "Replacing the ribbon
cartridge".
Replace the ribbon cartridge as
described in "Replacing the ribbon
cartridge".
Select the desired paper source on the
control panel. See "Buttons and
Lights".
What to do
Clear the paper jam as described in
"Clearing a Paper Jam".
Remove any slack from the ribbon by
turning the ribbon-tightening knob, or
replace the ribbon cartridge. See
"Replacing the ribbon cartridge".