Can you keep using it?
Can you keep using it?
Contact customer support if any of these apply
- !The message remains after reseating the cartridge correctly.
- !Multiple cartridge positions begin failing recognition at the same time.
What to check first
Step-by-step checks
- 1
Consumable check
Open the cartridge area and reseat the indicated cartridge carefully.
Start with the official recovery step before moving on to parts or deeper servicing.
- 2
Consumable check
Confirm the cartridge is the correct type for the printer.
- 3
Safe first step
Close the cover fully and retry.
Background
What this message usually means
Brother shows No Ink Cartridge or Cannot Detect when the MFC-J6945 family cannot confirm the presence or state of an installed ink cartridge. It is usually a seating or recognition issue rather than a paper-path fault.
Diagnosis
Likely causes
An ink cartridge is not seated correctly.
The machine cannot recognize the installed cartridge.
A cover or latch did not close cleanly after cartridge replacement.
Service
When service or replacement is more likely
- -This is usually a seating or recognition problem before it becomes a support case.
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 cartridge-recognition problems such as No Ink Cartridge and Cannot Detect.
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