Konica Minolta PagePro 1390 MF - Manual (Page 118)

T-8
2-4. Misfeed Detection Timing and Troubleshooting Procedures
(1) Paper Take-Up/Transport Misfeed
<Detection Timing>
<Troubleshooting Procedure>
Type Description
MP tray
Pick-up Jam
The Paper Take-Up Switch does not turn on after the predetermined period
of time has elapsed after media take-up began.
Bypass tray
Pick-up Jam
Separator
Jam
The Exit Sensor is not blocked after the predetermined period of time has
elapsed after the Paper Take-Up Switch is turned on.
The Paper Take-Up Switch is not turned off after the predetermined period
of time has elapsed after the Paper Take-Up Switch is turned on.
Relevant Electrical Parts
Paper Take-Up Switch (S1)
Exit Sensor (PS3)
Paper Take-Up Solenoid (SL1) Mechanical Control Board (PWB-A)
Step Action Ref. Page
WIRING DIAGRAM
Control Signal
Location
(Electrical Parts)
1 Initial checks
☞ T-6
– –
2 SL1 solenoid check
☞ T-2
PWB-A PJ3A-2
(ON)
H-3
3 S1 switch check
☞ T-2
PWB-A PJ10A-1
(ON)
H-2
4 PS3 sensor check
☞ T-1
PWB-A PJ8A-3
(ON)
H-2
5 Replace PWB-A. – – –