Description: ID sensor pattern test error One of the following readings occurred 10 times in the ID sensor output when the ID sensor pattern was checked: 1) Vsp . 2.5V 2) Vsg . 2.5V 3) Vsp =0V 4) Vsg = 0V
Causes: • ID sensor connector defective • Poor ID sensor connector connection • I/O board (IOB) defective • Poor writing of ID sensor pattern on the drum • High voltage supply board defective
Code: 351
Description: ID sensor Vsg test error When the ID sensor was checked, the ID sensor output voltage is 5.0V while the LED current value is 0.
Causes: • ID sensor defective or dirty • ID sensor connector defective • Poor ID sensor connection • I/O board (IOB) defective • Defect at the ID sensor pattern writing area of the drum
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
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
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
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