Seiko FB-900 - Manual (Page 163)

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Error messages and countermeasures
6-5 — 6. Troubleshooting —
JAM SENSOR ERROR
• The jam sensor was found defective when loading fanfold paper.
The ERROR lamp lights, and the buzzer sounds three times, and the
printer enters the offline state.
Press the ONLINE key to recover the printer from this
error. The paper jam detection function is disabled.
Remove paper dust from the jam sensor, and load
fanfold paper again.
FLAP SWITCHING ERROR
•This error occurs if the flap is not located at the proper position.
The ERROR lamp lights, and the buzzer sounds three times, and the
printer enters the offline state.
Any keys are ignored except the ONLINE key. When the
rear paper is removed and the ONLINE key is pressed,
the paper path is changed. When this operation is
completed properly, the printer enters the previous
online or offline state.
REMOVE REAR PAP.
JAM.S LEVEL ERR
PRESS ONLINE SW
These messages are
displayed alternately at 3
second interval.