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4-8
4.3 Paper Feed Troubleshooting
Problem Cause and remedy
Paper doesn't
feed.
• Wrong paper path.
• Mechanism head is open.
→ Use correct path.
→ Close the mechanism head.
Paper skews. • Paper end is not in
contact with the paper
guide.
• Roll guide is not in
contact with the roll
paper.
• Head pressure is not
correct.
→ Slightly push the paper guide
against the paper end.
→ Slightly push the roll guide
against the roll paper.
→ Adjust it with the offset adjustment
screw according to the paper
width.
Paper doesn't
align with the print
position.
• Setting mode is not
correct.
• Paper gap (black line)
sensor adjustment failure.
• Transfer data is abnormal.
→ Check whether the setting mode
is for paper gap or black line
sensor and if it is not, change it as
necessary.
→ Adjust the voltage of the paper
gap and black line sensor from
the voltage setting in the system
maintenance mode.
→ If the contents of the transfer data
are incorrect, set them properly
again.