Fix Brother Error Unable to Init 46: Initialization Error

critical Severity: critical

If your Brother printer is displaying error Unable to Init 46, do not worry – this is a known issue with a proven fix. This error typically indicates initialization error that can usually be resolved without a service call. Follow the steps below to clear this error.

What Causes Brother Error Unable to Init 46?

This error can be triggered by one or more of the following issues:

• Printer cannot complete initialization sequence
• Internal mechanism obstruction during startup
• Motor or sensor failure during initialization
• Firmware corruption

How to Fix Brother Error Unable to Init 46

Follow these steps in order. After each step, check whether the error has cleared before proceeding to the next one.

1. Step 1: Turn off the printer and unplug for 60 seconds
2. Step 2: Check for any visible paper jams or obstructions
3. Step 3: Remove and reseat the drum and toner assembly
4. Step 4: Plug in and power on
5. Step 5: If the error persists, try a factory reset from the maintenance menu
6. Step 6: Contact Brother support if the error continues

Affected Brother Printer Models

The following Brother printer models are known to display error Unable to Init 46:

• Brother MFC-L2710DW
• Brother MFC-L2750DW

Related Brother Error Codes

If you are troubleshooting error Unable to Init 46, these related error codes may also be relevant:

• Replace Drum – Drum Unit End of Life
• Drum Error – Drum Unit Malfunction
• Toner Low – Toner Cartridge Low
• Machine Error 46 – Unable to Print – Waste Toner
• Unable to Clean 46 – Purge Unit Error