• Jogger motor defective
• MCU defective
SC727 B
Cross folder horizontal transport guide HP sensor error
The horizontal transport guide HP sensor did not switch on or switch off during
operation of the horizontal transport press motor.
• Horizontal transport guide HP sensor harness loose, broken, defective
• Horizontal transport press motor harness loose, broken, defective
• Motor drive overload due to physical obstacle
• Horizontal transport guide HP sensor defective
• Horizontal transport press motor defective
• MCU defective
SC728 B
Horizontal transport guide lower limit sensor error
The horizontal transport guide HP sensor did not go ON or OFF at the prescribed
time.
• Horizontal transport guide motor harness loose, broken, defective
• Horizontal transport guide lower limit sensor harness loose broken defective
• Motor drive overload due to physical obstruction
• Motor defective
• Sensor defective
• MCU defective
SC750 B
Cross fold shift tray upper limit sensor error
The sensor did not go on or off while the tray was being raised and lowered.
• Tray lift motor harness loose, broken, defective
• Tray lift motor overloaded due to physical obstacle
• Tray upper limit sensor 1 harness loose, broken, defective
• Tray lift motor defective
• Tray upper limit sensor 1 defective
• Main board defective
5. Appendix: Service Call Conditions
56
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