Phaser 3140/3155/3160 Printer Service Manual 5-11Print-Quality TroubleshootingBlack PrintThe entire image is black. Charge voltage from the Power Supply Board to the PrintCartridge is not available due to damaged or dirty contacts.Initial Actions• Check the connection between the Controller Board and Power Supply Board.• Check the connection between the Power Supply Board and Print Cartridge.Troubleshooting Procedure TableStep Actions and Questions Yes No1 Check the Print Cartridge.Is the Print Cartridge empty?Replace thePrint Cartridge(page 8-6).Go to step 2.2 Check Toner Save mode.Is Toner Save mode enabled?Go to step 3. Disable TonerSave mode.3 Check the ambient temperature.Is the ambient temperature below10° C?Relocate theprinter.Go to step 4.4 Check the interior for toner spills.Is there toner spilled inside?Clean theinside of theprinter.Go to step 5.5 Check the Power Supply Boardinstallation. Reseat the connectors ifnecessary.Does the image quality improve?Complete. Replace thePower SupplyBoard(page 8-54).Troubleshooting Reference TableApplicable Parts Example Print■ Controller Board, PL1.0.2■ Power Supply Board, PL1.0.1■ Laser Unit, PL6.0.79Black Print
