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(4) [Scanner Error] Home Sensor
<Detection Timing>
<Troubleshooting Procedure>
(5) [Scanner Error] Motor Stall
<Detection Timing>
<Troubleshooting Procedure>
Description
• When the scanning job is finished, the Scanner Unit travels 14 inches back to the home
position. After the Scanner Unit has moved 14 inches, if the Home Sensor can’t be
pressed, a Home Sensor 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 Check the connectors on PWB-I for
proper connection and correct as neces-
sary.
⎯⎯ ⎯
2 Change Scanner Unit. ☞ D-21 ⎯⎯
3 Change PWB-I. ☞ D-15 ⎯⎯
Description
• When scanning a job, the firmware calculates the distance that the Scanner Unit has
travelled. If the distance between the home position and the scan stopped position is
different than the distance between the scan stopped position and the home position, a
Motor Stall 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 Check the connectors on PWB-I for
proper connection and correct as neces-
sary.
2 Change Scanner Unit. ☞ D-21 ⎯⎯
3 Change PWB-I. ☞ D-15 ⎯⎯