
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 skew. Paper end is not in contact
with the paper guide.
Roll guide is not in contact
with the roll paper.
Slightly push the paper
guide against the paper
end.
Slightly push the roll guide
against the roll paper.
Head pressure is not proper. Adjust it with the offset
adjust-screw according to
the width of the paper.
Paper doesn't align with
the print position.
Setting mode is not proper.
Check whether the setting
mode is the paper gap or
black line detection and if it
is riot prpperi change it.;..
Paper gap (black line) sensor Adjust the voltage of the
adjustment failure.
• Transfer data is abnormal.
paper gap and black line
sensor in the system
maintenance mode.
If the contents of the
transfer data are not set
properly, set them ag^n.
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