Description: C-TD sensor gain adjustment error - Definition - [B] When adjusting TD sensor gain during the toner density initial setting, Vcnt (output voltage) does not reach a value between 7 and 11 V.
Causes: • Main control board defective
Code: SC360
Description: Development bias leak - Definition - [B] The development bias leak signal is detected for more than 3 seconds.
Causes: • Sleeve roller receptacle damaged • High voltage supply board - B defective
Code: SC370
Description: Bk-TD sensor upper detection abnormal - Definition - [B] TD sensor output (Vt) exceeds 4.5 V during copy cycles.
Causes: • TD sensor defective • Main control board defective • Too much toner in the development unit (accidental)
Code: SC371
Description: Y-TD sensor upper detection abnormal - Definition - [B] TD sensor output (Vt) exceeds 4.5 V during copy cycles.
Causes: • TD sensor defective • Main control board defective • Too much toner in the development unit (accidental)
Code: SC372
Description: M-TD sensor upper detection abnormal - Definition - [B] TD sensor output (Vt) exceeds 4.5 V during copy cycles.
Causes: • TD sensor defective • Main control board defective • Too much toner in the development unit (accidental)
Code: SC373
Description: C-TD sensor upper detection abnormal - Definition - [B] TD sensor output (Vt) exceeds 4.5 V during copy cycles.
Causes: • TD sensor defective • Main control board defective • Too much toner in the development unit (accidental)
Code: SC374
Description: Bk-TD sensor lower detection abnormal - Definition - [B] TD sensor output (Vt) becomes lower than 0.5 V during copy cycles.
Causes: • TD sensor defective • Main control board defective • Toner supply system defective
Code: SC375
Description: Y-TD sensor lower detection abnormal - Definition - [B] TD sensor output (Vt) becomes lower than 0.5 V during copy cycles.
Causes: • TD sensor defective • Main control board defective • Toner supply system defective