Brother HL-L6250DW Online User's Manual page 251

Error Message
Too many bins
Too Many Trays
Unusable Device
Related Information
• Troubleshooting
• Replace Supplies
• Load and Print Using the Paper Tray
• Load and Print Using the Multi‑purpose Tray (MP Tray)
• Replace the Drum Unit
• Clean the Corona Wire
Cause
Either bin 2 tray or bin 4 tray was
removed from the Mailbox unit.
The number of installed Optional
Trays exceeds the maximum
number.
An unsupported USB device has
been connected to the USB host
connector.
Action
To use the Mailbox unit in 2-bin mode, remove
both bin 2 tray and bin 4 tray.
To use the Mailbox unit in 4-bin mode, install
both bin 2 tray and bin 4 tray.
Reduce the number of Optional Trays.
Unplug the device from the USB host
connector.
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