Seiko FB-900 - Manual (Page 165)

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Troubleshooting
6-7 — 6. Troubleshooting —
Cause and Solution
• Paper is curled. Carefully remove the jammed
paper.
• Head adjustment is not set correctly. (*1)
• Push down the lock lever of tractors to the
LOCK position.
• When using the printer in an environment
where it is exposed to a direct light or
sunlight, make sure that the paper jam sensor
is not directly exposed to the light.
• There is some obstruction in the paper path or
ejection path.
• The paper jam sensor is clogged by paper
dust. Clean the paper jam sensor. (*2)
• Malfunction of the paper jam sensor
Contact the dealer.
• Paper jam detection is set to NO in the
EXTENDED SETUP MODE. Change the
setting of #65 PAPER JAM DETECTION.
• The skew sensor is clogged by paper dust.
Clean the skew sensor. (*2)
• Malfunction of the skew sensor
Contact the dealer.
• Skew detection is set to NO in the
EXTENDED SETUP MODE. Change the
setting of #64 SKEW DETECTION.
• Turn the power on and off several times.
• Malfunction of the flap mechanism
Contact the dealer.
• Turn the power on and off several times.
• Malfunction of the tractor mechanism
Contact the dealer.
• The paper ejection path is not set properly.
Set the proper ejection path using the PAPER
PATH key or #61 PAPER PATH on the
EXTENDED SETUP MODE.
• Upward ejection cannot be used when paper
that has a short page length (150 mm or less)
is being used.
Symptoms
Paper jam
Paper jam is not
detected.
Paper is skewed.
Skewing is not
detected.
Flap will not change
Tractor mode cannot
be changed
Paper is not ejected
to the top.
See page xiii.
See page 3-44.
See page 6-1.
See page 6-1.
See page 3-42.
See page 3-43.
*2) How to clean the paper jam sensor and skew sensor cover
After switching the power off, remove the ink ribbon and clean these sensors using a vacuum
cleaner or cotton-swab.
See page xiii.