Can you keep using it?
Can you keep using it?
Contact customer support if any of these apply
- !The tray is seated correctly but the message remains.
- !The printer never detects the tray at all after reseating.
What to check first
Step-by-step checks
- 1
Safe first step
Remove the affected tray and reinsert it fully.
Start with the official recovery step before moving on to parts or deeper servicing.
- 2
Safe first step
Make sure the tray sits flat and closes cleanly.
- 3
Safe first step
Retry after the printer detects the tray again.
Background
What this message usually means
Brother shows a paper-tray-not-detected message when the MFC-J6945 family cannot confirm that tray 1 or tray 2 is inserted correctly. It is usually a tray seating or hardware-presence issue rather than a deeper print fault.
Diagnosis
Likely causes
The tray is not inserted fully into the printer.
The tray is skewed or not seated evenly.
The printer cannot read the tray state correctly.
Service
When service or replacement is more likely
- -Treat this as a tray-position check first, not a paper jam.
See also
Related codes in this family
Explore more
More Brother printer families
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Where to go next
Source notes
Brother's MFC-J6945DW troubleshooting list includes tray-detection errors for paper tray 1 and paper tray 2.
Built around Brother's official MFC-J6945DW FAQ and troubleshooting guidance. Exact wording can vary slightly by region and closely related model variants.
Printer error codes can vary a little by firmware, region, and exact model variant. Use this guide as a family-level starting point and stop if the next step would require disassembly or service-mode changes.
Known family variants: MFC-J6945DW, MFC-J6947DW
Last reviewed: 2026-04-12
Reference: Open reference