● Have the documents just been printed out from a copy machine or a laser printer?
Solution
Fan the documents a few times to remove static electricity.
● Is the document stack thinner than 50 mm?
Solution
Reduce the number of sheets.
● Does the document stack weigh less than 5 kg?
Solution
Reduce the number of sheets.
● Are the pick rollers, separator roller and brake roller installed correctly?
Solution
Install the pick rollers, separator roller and brake roller correctly.
For details, refer to Replacing the Pick Roller (page 139), Replacing the Separator Roller (page 142), and
Replacing the Brake Roller (page 147).
● Are the pick rollers, separator roller and brake roller clean?
Solution
Clean the pick rollers, separator roller and brake roller.
For details, refer to Daily Care (page 115).
● Are the pick rollers, separator roller and brake roller worn out?
Solution
Use one of the following methods to check the pick roller, separator roller, and brake roller counters, and
replace the pick rollers, separator roller, and brake roller if necessary.
● You can select [23: Show/Clear Counters] from [Main Menu] on the operator panel to check the number
of sheets that have been scanned.
For details, refer to Checking and Resetting the Counters (page 83).
● You can start up the Software Operation Panel to check the number of sheets that have been scanned.
For details, refer to Checking the Sheet Counters (page 216).
For details about replacing the pick rollers, separator roller, and brake roller, refer to Replacing the Pick
Roller (page 139), Replacing the Separator Roller (page 142), and Replacing the Brake Roller (page 147).
● Did you adjust the paper separation force on the operator panel?
Solution
Increase the paper separation force if it is set low.
Troubleshooting
178
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