• Code: 355
• Description: Grayscale measurement error When the grayscale control result is the maximum and it does not operate correctly and these cases are detected 15 times.
• Causes: • ID sensor defective or dirty • The life of ID sensor or photo conductor • Shield glass dirty
• Remedy:

• Code: 360
• Description: TD sensor (Vt) error 1 The following condition occurs thirty times consecutively during printing. Vt is less than 0.5V or 4.8V or more
• Causes: • TD sensor disconnected • Harness between TD sensor and PCDU defective • Defective TD sensor.
• Remedy:

• Code: 372
• Description: TD sensor adjustment error Vts is less than 1.8V or 4.8V or more during TD sensor initialization.
• Causes: • Heat seal not removed from a new developer pack • TD harness sensor disconnected, loose or defective • TD sensor defective • Harness between TD sensor and drawer disconnected, defective
• Remedy:

• Code: 396
• Description: Drum motor error The machine detects a lock signal error from the drum motor for 2 seconds after the drum motor turned on.
• Causes: • Overload on the motor • Defective drum motor • Defective harness • Defective IOB
• Remedy:

• Code: 400
• Description: Vsg adjustment error Vsg is more than 4.2V or 3.8V or less when the machine adjusts Vsg value.
• Causes: • Dirty or defective ID sensor • Defective ID sensor shutter
• Remedy:

• Code: 440
• Description: Transfer belt bias error The feed back bias from the transfer belt is more than 4V for 60 msec while the transfer belt bias is output. The A/D conversion level is 20 or less for 60 msec. The PWM duty is 24% or more for 60 msec.
• Causes: • Power pack broken • Defective harness • Disconnected connector
• Remedy:

• Code: 441
• Description: Transfer/Development motor error The machine detects a lock signal error from the transfer/development motor for a continuous 20 times after the transfer/development motor turned on.
• Causes: • Overload on the motor • Defective transfer/development motor • Defective harness • Defective IOB
• Remedy:

• Code: 442
• Description: Transfer belt contact motor error The transfer belt HP sensor detects incorrect movement of the transfer belt after the transfer belt contact motor has turned on.
• Causes: • Dirty transfer belt HP sensor • Defective transfer belt contact motor • Disconnected connector of the transfer belt HP sensor or motor • Disconnected cable • Defective IOB
• Remedy: