Konica Minolta PagePro 1390 MF - Manual (Page 129)

T-19
5-2. Miscellaneous Malfunction Detection Timing and Trouble-
shooting Procedures
(1) Unlock scanner
<Detection Timing>
<Troubleshooting Procedures>
Description
• When the Home Sensor remains High (5 V) even after the lapse of a predetermined
period of time after the Scanner Motor is turned ON, an unlock scanner error occurs.
Relevant Electrical Parts
Scanner Unit Controller/Image Control Board (PWB-I)
Step Action Ref. Page
WIRING DIAGRAM
Control Signal
Location
(Electrical
Parts)
1 Turn OFF the main switch, and unlock
the scanner.
Then, restart the machine.
⎯ ⎯ ⎯
2 Change Scanner Unit.
☞ D-21 ⎯ ⎯
3 Change PWB-I.
☞ D-15 ⎯ ⎯