Misfeed Detection Timing And Troubleshooting Procedures - Konica Minolta Di1610 Service Manual

2-4.

Misfeed Detection Timing and Troubleshooting Procedures

(1) The Original misfeeds
<Detection Timing>
Type
ADF Jam
ADF remains paper
jam
<Troubleshooting Procedures>
Original Detection Sensor (PC1)
Paper Take-Up Sensor (PC2)
Leading Edge Detection Sensor (PC3)
Step Action
1 Initial checks
2 PC1 sensor check
3 PC2 sensor check
4 PC3 sensor check
5 Replace PWB-A ADF.
• The Paper Take-Up Sensor is not unblocked after the predeter-
mined period of time has elapsed after document feeding
began.
• The Paper Take-Up Sensor is not blocked after the predeter-
mined period of time has elapsed after the Paper Take-Up Sen-
sor 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 Detec-
tion Sensor or both sensors are blocked.
Relevant Electrical Parts
Automatic Document Feeder Control Board
(PWB-A ADF)
Ref. Page
☞ T-4
☞ T-1
☞ T-1
☞ T-1
–
T-7
Description
WIRING DIAGRAM
Control Signal
–
PWB-A ADF PA02A ADF-1
PWB-A ADF PA06A ADF-1
PWB-A ADF PA03A ADF-1
–
Location
(Electrical
Component)
–
C~D-4~5
D~E-4~5
I-6~7
–