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