Konica Minolta PagePro 1390 MF - Manual (Page 119)

T-9
(2) Fusing/Exit Misfeed
<Detection Timing>
<Troubleshooting Procedure>
Type Description
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. – – –