Can you keep using it?
Can you keep using it?
Contact customer support if any of these apply
- !Cannot Detect remains after reseating the part correctly.
- !Multiple supplies start showing recognition problems at once.
What to check first
Step-by-step checks
- 1
Safe first step
Open the relevant cover and reseat the indicated supply carefully.
Start with the official recovery step before moving on to parts or deeper servicing.
- 2
Safe first step
Confirm the part is the right one for the printer.
- 3
Safe first step
Close the cover firmly and retry.
Background
What this message usually means
Brother shows Cannot Detect when the machine cannot confirm the presence or state of a required consumable or replaceable part. It usually points to seating, recognition, or compatibility checks that need attention first.
Diagnosis
Likely causes
A toner, drum, or related part is not seated correctly.
The machine cannot recognize the installed supply.
A cover or latch did not close cleanly after replacement.
Service
When service or replacement is more likely
- -This is usually a seating or recognition problem before it becomes a service call.
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Where to go next
Source notes
Brother's MFC-L8395 online guide includes Cannot Detect in its error and maintenance messages table.
Built around Brother's online error and maintenance messages guidance for newer MFC-L8395-class color office lasers. Exact wording can vary a little by region and closely related model.
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-L8395CDW, MFC-L8905CDW, MFC-L9570CDW
Last reviewed: 2026-04-12
Reference: Open reference