Konica Minolta 1390 MF All in One Printer User Manual


 
T- 9
(2) Fusing/Exit Misfeed
<Detection Timing>
<Troubleshooting Procedure>
Type Desc riptio n
Fuser Jam
The Exit Sensor is not unblocked after the predetermined period of time
has elapsed after the Paper Take-Up Switch is turned on.
Paper left at
Fusing/Exit
Section
If all of the following conditions are met:
The Front Door or Exit Cover is opened and then closed or the machine
is turned on.
The Paper Take-Up Switch is turned on or the Exit Sensor is blocked.
Paper Exit
Jam
The Exit Sensor is unblocked but not during the predetermined period of
time after the Paper Take-Up Switch is turned on.
Relevant Electrical Parts
Paper Take-Up Switch (S1)
Exit Sensor (PS3)
Mechanical Control Board (PWB-A)
Step Action Ref. Page
WIRING DIAGRAM
Control Signal
Location
(Electrical Parts)
1 Initial check items T- 6 ––
2 S1 switch check
T- 2 PWB-A PJ10A-1
(ON)
H-2
3 PS3 sensor check
T- 1 PWB-A PJ8A-3
(ON)
H-2
4 Replace PWB-A.