User guide
Troubleshooting
C4705-90000
8-39
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SERVICE TESTS
18 Edge detect
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If the value (###) of is less than 100 when passing over the drive roller then
the line sensor has passed the test.
If the value (###) of is more than 110 when passing over the media that is
loaded then the line sensor has passed the test.
If the values (###) of is not within the above required ranges then the line
sensor has failed the test. To resolve the problem, try one of the following:
1 Clean the drive roller surface.
2 Perform the line sensor calibration page 7Ć5.
3 Perform the mainĆcarriage com test page 8Ć26.
4 Replace the carriage page 6Ć34.
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