Xerox 3300MFP Service Manual - Page 114

General Troubleshooting Defect Ghost & Image Contamination Symptom Cause & Check Solution ■ The printed image is too light or dark, or partially contaminated black. 1. The printed image is too light or dark, or partially contaminated black. (1) Check whether foreign substance or toner are stuck to the terminal (point of contact) of the print cartridge. (2) Check whether the terminal assembly is normal. 1. All of 1, 2, 3 above: (1) Remove toner and foreign substances adhered to the print cartridge contact points. (2) Clean the terminals on the frame that make contact with the Print Cartridge contacts. (3) If one or more of the terminals is jammed and/or not fully extended: ■ Remove the side plate that covers the terminals (between the duplex fan and the connection board). ■ Push the jammed terminal to free it or, if necessary, carefully disassemble then reassemble the terminal and spring assembly. ■ Totally contaminated black. (Black image printed out) 2. Totally contaminated black. (Black image printed out) (1) Check whether foreign substances are stuck to the terminal (point of contact) of the print cartridge and the state of assembly. (Especially check the charged roller terminal.) 2. In case of 2: This phenomenon occurs when the OPC drum is not electrically charged. Clean the terminals of the charged roller, then recheck it. ■ The density of printouts is too dark and ghost occurs. 3. The printed image is dark and ghost occurs. (1) Check foreign substance attached to the terminal (point of contact) of the print cartridge and the state of assembly. (Especially check the developing roller terminal.) 3. In case of 3: It is a phenomenon as the developing bias voltage of the print cartridge. Clean the terminals of the developing roller, then recheck it. 4-22 Phaser 3300MFP Service Manual