Brother ADS-2400N User Manual page 302

Appendix
LEDs Machine Status
Multifeed Detection Error
A multifeed has occurred. To clear the error, press Stop.
ADF Cover Open
ADF cover is open.
Pick-up Roller Alert
The pick-up roller counter has reached its limit. To clear
the error, do the following:
Reset the pick-up roller counter.

Reverse Roller Alert
The reverse roller has been used over 200,000 times.
To clear the error, do the following:
 Reset the reverse roller counter.
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