• Code: 370-11
• Description: ID sensor adjustment error: Timeout error Vsg falls out of the adjustment target (4.0 ±0.2V) during Vsg checking within 20 sec.
• Causes: • ID sensor defective • ID sensor harness disconnected • ID sensor connector defective • IOB defective • ID sensor pattern not written correctly • Incorrect image density • Charge power pack defective • ID sensor dirty

• Code: 375-00
• Description: ID sensor error: Drum surface voltage error The ID sensor output voltage is 5.0V and the PWM signal input to the ID sensor is 0 when checking the ID sensor pattern.
• Causes: • ID sensor defective • ID sensor harness disconnected • ID sensor connector defective • IOB defective • ID sensor pattern not written correctly • Incorrect image density • Charge power pack defective • ID sensor dirty

• Code: 376-00
• Description: ID sensor error: Pattern edge detection failed For 2 s during the ID sensor pattern check, the ID sensor pattern edge voltage is not 2.5V or the pattern edge is not detected within 800 ms.
• Causes: • ID sensor defective • ID sensor harness disconnected • ID sensor connector defective • IOB defective • ID sensor pattern not written correctly • Incorrect image density • Charge power pack defective • ID sensor dirty

• Code: 377-00
• Description: ID sensor error: Potential surface reading error The Vp value, which measures the reflectivity of the ID sensor pattern, was not in the range of -70V to -400V.
• Causes: • Potential sensor defective • Potential sensor harness defective • Potential sensor disconnected • IOB defective • OPC unit connector defective • Charge corona power pack defective • Charge corona wire dirty, broken

• Code: 378-00
• Description: ID sensor pattern error One of the following ID sensor output voltages was detected twice consecutively when checking the ID sensor pattern. • Vsp greater than or equals 2.5V • Vsg less than 2.5 • Vsp = 0V • Vsg = 0
• Causes: • ID sensor defective • ID sensor harness disconnected • ID sensor connector defective • IOB defective • ID sensor pattern not written correctly • Incorrect image density • Charge power pack defective • ID sensor dirty

• Code: 380-01
• Description: Potential sensor calibration error (VM100) During drum potential sensor calibration, when -100V is applied to the drum, the output value is out of the prescribed range.
• Causes: • Potential sensor defective • Potential sensor harness disconnected • Potential sensor connector defective or disconnected • IOB defective • OPC connector defective • Development power pack defective

• Code: 380-11
• Description: Potential sensor calibration error (VM800) During drum potential sensor calibration, when -800V is applied to the drum, the output value is out of the prescribed range.
• Causes: • Potential sensor defective • Potential sensor harness disconnected • Potential sensor connector defective or disconnected • IOB defective • OPC connector defective • Development power pack defective

• Code: 380-21
• Description: Potential sensor calibration error (skew) During drum potential sensor calibration, the drum potential sensor output voltage does not meet specification when test voltages (–100V, –800V) are applied to the drum.
• Causes: • Potential sensor defective • Potential sensor harness disconnected • Potential sensor connector defective or disconnected • IOB defective • OPC connector defective • Development power pack defective