User manual

TPOS PRINTER SERIES Set-up Guide
Page 11 / 12
Reference: FDE-3107243 Issue A
8.2.3 Printing Problems
Problem Possible Causes What to Do
Print quality is
deteriorating.
Print head may be
getting dirty.
See next chapter ”Cleaning your printer”.
Colored stripe on
the receipt.
Paper is low. Change the paper.
Receipt does not
come out all the
way.
Paper is jammed.
Printer starts to
print, but stops
while the receipt is
being printed.
Paper is jammed.
Auto-cutter: Check that the mobile blade does not
interfere with the cover blade.
Remove the Paper jam button. Using a screwdriver;
turn the gear until the blade disappears.
Then open the cover and check that there is no
paper jam.
Important: Do not press on the switch when the
cover is opened.
Then close the cover.
If the LED is still flashing, see LED diagnostic.
Manual cutter: Check that the cover is properly
closed; if not close it.
Open the cover and make sure there is paper left in
the printer; if not, remove the paper roll core, place
a new paper roll as indicated in the chapter
"Loading paper". See LED diagnostic.
Open the cover and make sure there is no paper
jam. In case of paper jam, unwind the paper until no
more wrinkle appear; close the cover with the
wrinkled part out and cut it with the tear bar.
If the LED is still flashing, see LED diagnostic.
Paper roll is loaded
incorrectly.
Check that the paper is loaded properly.Print is light or
spotty.
Thermal print head is
dirty.
Use recommended thermal receipt paper. See next
chapter "Cleaning your printer".
Variations in paper. Increase print density in “Set Hardware Options” of
printer Configuration Menu as needed.
Vertical column of
print is missing.
This indicates a
serious problem with
the printer electronics.
Contact your authorized service representative.
One side of receipt
is missing.
This indicates a
serious problem with
the printer electronics.
Contact your authorized service representative.