3. Push [Menu> select "Maintenance"> "De-Condensation" to feed 3 sheets of blank paper
through the paper path to absorb condensation.
4. Clean ink from transport belt.
5. Replace HVPS pack.
SC994 Vertical motor error
Description: The vertical motor did not move when it was switched on.
Probable Cause: Vertical motor not rotating, encoder sensor signal did not change, or paper jam.
Location: Vertical motor, encoder sensor, control board, paper path (jam)
Procedure:
1. Cycle printer on/off, check result.
2. Remove paper jam.
3. Replace encoder sensor.
4. Replace vertical motor.
SC996 No input from the horizontal encoder sensor
Description: The input from the horizontal encoder sensor could not be detected.
Probable Cause: No input from horizontal encoder sensor, encoder sensor signal did not change, encoder
strip is dirty or scratched, horizontal motor not rotating.
Location: Encoder film strip, horizontal motor, control board, encoder sensor
Procedure:
1. Cycle printer on/off, check result.
2. Confirm film encoder not loose.
3. Replace horizontal motor.
SC997 Horizontal encoder abnormal
Description: One of the following:
• The horizontal motor switched on at power on so the horizontal encoder sensor could detect any
foreign matter on the horizontal encoder strip but the motor could not switch off.
• When the printer was turned on, or after it left the energy save mode, the horizontal motor could not
stop when it was seeking the home position.
Probable Cause: Encoder sensor signal did not change, or encoder strip is dirty or scratched.
3. Troubleshooting
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