Description: Laser synchronizing signal error 2
The interval of the laser synchronizing signal detected by the main scan synchronization detector board -2 becomes outside the correctable range.
Causes: • Main scan synchronization detector board -2 defective • Poor connection of the interface harness which connects the main scan synchronization detector board -2 and the EX-IPU board • Main scan synchronization detector board -2 out of position • EX-IPU board defective • Polygon motor defective
Code: SC350
Description: ID sensor error
Vsg falls out of the adjustment target (4 ± 0.2 V) during Vsg checking
Vsp>2.5V or Vsg<2.5V is detected twice consecutively during copying.
Causes: • ID sensor board defective • Dirty ID sensor board • BCU board defective • High voltage control board defective
Code: SC360
Description: Hard disk drive error 1
The EX-IPU board does not receive the response signal from the HDD.
Causes: • Poor connection of the interface harness which connects the EX-IPU board and the HDD. • HDD power cord not connected properly. • HDD defective • SCSI controller on the EX-IPU defective.
Code: SC361
Description: Hard disk drive error 2
The image data stored in the HDD cannot be output properly.
Causes: • EX-IPU board defective
Code: SC390
Description: TD sensor error
TD sensor output voltage falls out of the adjustment target (2.5+- 0.1 V) during the Vt check.
Vt-Vtref>0.6V is detected 10 consecutive times even though toner is detected by the toner end sensor.
Vt<0.5 or Vt>4.0 is detected.