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Eng
Brother MFC4420C
Error Codes List page 11
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- Code: F7
- Description: Media module connection error.
- Remedy: • Main PCB • Media module
- Code: F8
- Description: Backup battery not loaded correctly.
- Remedy: • Reinsert the battery connector. • Replace the battery.
- Code: F9
- Description: Weak connection of media flat cables.
- Remedy: • Media flat cables •Media PCB
- Code: FF
- Description: Memory management error.
- Remedy: • Replace the main PCB if this error occurs frequently.