SC508-03 D Cutter Operation Error
The cutter return switch on the left end of the cutter unit did not switch on
within 3 sec. after the cutter motor switched on.
• Something is blocking the cutter in its track
• The cutter drive belt is jammed. (Stop driving the cutter and move it to its
home position on the right.)
SC508-04 D Cutter Home Position Switch Error
After normal cutting, the right cutter sensor is not set to ON within 3 sec. after
the cutter returns to its home position.
• Something is blocking the cutter in its track
• The cutter drive belt is jammed
SC520-01 D Vertical Paper Feed Mechanism Communication Error
No response from the motor control firmware
Communication error between the motor control firmware and engine, or the
machine failed to stop within the specified time and area because of the
mechanical trouble.
Communication Error
• Cycle the machine off/on
• Check the harness connections between the roll unit and the MCU, and
RFDB if Roll Unit 2 is installed
• MCU defective
• If not recovered, replace the BICU.
Mechanical Trouble
• Check that there is no problem with the driving parts (registration roller
and its parts, gear, roller, belt, pressure roller).
• If the belt is loose, reset the motor.
• If it is not recovered by setting the main power switch to OFF and back
ON, replace the parts.
6. Troubleshooting
682
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