Konica Minolta 1390 MF Manual Do Utilizador

T-9

<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.

–

–

–