Brother 09055CDN Service Manual page 125

■ Error code BF
Scan Unable
Document is too long for duplex scanning. Press Stop Key.
The document is too long for ADF duplex feeding.
<User Check>
- When you scan a document longer than the specified size (356.0 mm in length), scan the
document by dividing it into several pages using the document scanner unit.
Step
1 Document second side rear
actuator catching on some
position
2 Main PCB failure
■ Error code C0 (K)
Cartridge Error
Put the Black (K) Toner Cartridge back in.
Failure to detect a new black toner cartridge.
Error code C1 (Y)
Cartridge Error
Put the Yellow (Y) Toner Cartridge back in.
Failure to detect a new yellow toner cartridge.
Error code C2 (M)
Cartridge Error
Put the Magenta (M) Toner Cartridge back in.
Failure to detect a new magenta toner cartridge.
Error code C3 (C)
Cartridge Error
Put the Cyan (C) Toner Cartridge back in.
Failure to detect a new cyan toner cartridge.
<User Check>
- Install the toner cartridges into the machine properly.
Step
1 Power off or front cover opened
while detecting a new toner
cartridge
Cause
Cause
2-86
Remedy
Correct catching of the document second
side rear actuator.
Replace the main PCB ASSY.
Remedy
Reset the developing bias voltage and
developer roller counter. (Refer to
Developer Roller Counter Reset Function"
in Chapter 5.)
"2.1
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