Fusing/Exit Misfeed - NEC NEFAX 671 Service Manual

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Fusing/Exit Misfeed

<Detection Timing>
Type
The Exit Sensor is not unblocked after the predetermined period of time
Fuser Jam
has elapsed after the Paper Take-Up Switch is turned on.
Remains If all of the following conditions are met
paper Jam 1
• The Front Door or Exit Cover is opened, then closed. (Or the machine is
Remains
turned on.)
paper Jam 2
• The Paper Take-Up Switch is turned on or the Exit Sensor is blocked.
Paper exit The Exit Sensor is unblocked slower than the predetermined period of time
jam after the Paper Take-Up Switch is turned on.
<Troubleshooting Procedures>
Paper Take-Up Switch (S1)
Exit Sensor (PS1)
Step Action
1 Initial check items
2 S1 switch check
3 PS1 sensor check
4 Replace PWB-P.
Description
Relevant Electric Parts
Controller/Mechanical Control Board (PWB-
P)
Ref. Page
Control Signal
☞ T-6
–
☞ T-2 PWB-P MPJ10P-2
☞ T-1
PWB-P MPJ8P-3
– –
T-12
WIRING DIAGRAM
Location
(Electric Parts)
–
G-8 to 9
E to F-7 to 8
–