The problem occurs when the leading edge of the original does
not arrive at the 1st scan sensor within a specified time.
1. Check if there is any foreign substances on ADF paper path.
2. Check if the pickup roller works normally.
3. Check if the 1st scan sensor works normally.(inspection
mode)
4. Replace the sensor and test it again if it works abnormally.
The problem occurs when the leading edge of the original does
go past the 1st scan sensor within a specified time.
1. Check if there is any foreign substances on ADF paper path.
2. Check if there is any remaining paper around ADF exit roller.
3. Check if the 1st scan sensor works normally.(inspection
mode)
4. Replace the sensor and test it again if it works abnormally.