Konica Minolta bizhub 160 Service Manual - Page 340
The Original misfeeds, Detection Timing, Troubleshooting Procedures
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DF-501 Field Service Ver. 1.0 Apr. 2005 7. Paper Misfeed 7.4 Misfeed Detection Timing and Troubleshooting Procedures 7.4.1 The Original misfeeds A. Detection Timing Type ADF Jam ADF remains paper jam Description • The Paper Take-Up Sensor is not unblocked after the predetermined period of time has elapsed after document feeding began. • The Paper Take-Up Sensor is not blocked after the predetermined period of time has elapsed after the Paper Take-Up Sensor is unblocked. • The Exit Sensor is not unblocked after the predetermined period of time has elapsed after the Paper Take-Up Sensor is unblocked. • The Exit Sensor is not blocked after the predetermined period of time has elapsed after the Paper Take-Up Sensor is blocked. If all of the following conditions are met • The Automatic Document Feeder is in standby. • The Document Feeder Cover is closed. • The Original Detection Sensor is blocked. • Either the Paper Take-Up Sensor or the Leading Edge Detection Sensor or both sensors are blocked. B. Troubleshooting Procedures Relevant Electrical Parts Original Detection Sensor (PC1) Paper Take-Up Sensor (PC2) Leading Edge Detection Sensor (PC3) Control Board (PWB-A DF) Step Action 1 Initial checks 2 PC1-DF sensor check 3 PC2-DF sensor check 4 PC3-DF sensor check 5 Replace PWB-A DF. WIRING DIAGRAM Control Signal Location (Electrical Component) - - PWB-A DF PA02A DF-1 F-5 PWB-A DF PA06A DF-1 F-4 PWB-A DF PA03A DF-1 F-4 - - Troubleshooting 21