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❏ Problem guide
Problem Cause and Solution
POWER lamp fails to light
Printer stops or slows
down on printing
P.OUT lamp lights
incorrectly
Poor quality printing or
smudging of the paper
Some characters miss
printing
Incorrect character
printed
Paper not advancing
Fanfold paper slips
Extra line feed
Paper jam
Paper Bail abnormal
operation
◆ Power cord and power connection fail.
◆ Blown fuse in the printer.
◆ Print head has overheated. Wait until it has cooled down.
◆ Paper detect sensor may be damaged.
◆ Sensor hole is clogged.
◆ Old or worn out ink ribbon needs to be replaced.
◆ Print head adjustment lever is not set correctly.
◆ Print head may need to be cleaned or replaced.
◆ Ribbon cassette is not properly installed.
◆ Host system control and data code may not match the
printer's setup.
◆ Incorrect friction lever setting.
◆ Stack of fanfold paper behind the printer is placed
crookedly.
◆ Friction lever is in the cut sheet setting.
◆ The carriage return sub-menu selection is set incorrectly.
◆ Paper is curled.
◆ Move friction lever to the fanfold paper setting and
carefully remove the jammed paper.
◆ Electric Noise on the printer. Turn OFF the printer and wait
until all the electric noises are discharged from the printer
(one minute), and then turn it back ON again. Consult your
dealer if the error persists.
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7. Troubleshooting