Xerox WorkCentre 220

Detection Timing

• The Drum Charge Monitor Voltage (HVC_MON) signal falls outside a predetermined range at any time after the lapse of a predetermined period of time after the Power Switch has been turned ON.
• The Image Transfer Voltage Monitor signal (T_MON_V) and Image Transfer Current Monitor signal (T_MON_I) fall outside a corresponding predetermined range.

Relevant Electrical Parts

• Fusing Unit
• Controller/Mechanical Control Board (PWB-P)

Troubleshooting Procedures

Step	Action	Control Signal/ Location
1	Replace Fusing Unit.
2	Replace PWB-P.