Misfeed Detection Timing And Troubleshooting Procedures; The Original Misfeeds - Konica Minolta bizhub 160 Service Manual

Field Service Ver. 1.0 Apr. 2005
7.4

Misfeed Detection Timing and Troubleshooting Procedures

7.4.1

The Original misfeeds

A. Detection Timing
Type
ADF Jam
ADF remains paper jam
B. Troubleshooting Procedures
Original Detection Sensor (PC1)
Paper Take-Up Sensor (PC2)
Leading Edge Detection Sensor (PC3)
Step
1 Initial checks
2 PC1-DF sensor check
3 PC2-DF sensor check
4 PC3-DF sensor check
5 Replace PWB-A DF.
• 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.
Relevant Electrical Parts
Action
PWB-A DF PA02A DF-1
PWB-A DF PA06A DF-1
PWB-A DF PA03A DF-1
Description
Control Board (PWB-A DF)
WIRING DIAGRAM
Control Signal
–
–
7. Paper Misfeed
Location
(Electrical Component)
–
F-5
F-4
F-4
–
21