Brother ADS-1000W Service Manual page 31

Error display
The USB device connected to the USB terminal is not
supported.
An USB hub is connected to the USB terminal.
The front cover sensor detected an open front cover.
Separation pad counter has exceeded the upper limit.
Pick-up roller counter has exceeded the upper limit.
Both of separation pad counter and pick-up roller counter
have exceeded the upper limit.
The top cover was opened when a card was set.
Type of problem
2-8
Refer to:
4.1.7
4.1.7
4.1.8
4.1.9
4.1.9
4.1.9
4.1.10
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