Brother DCP-7090 Service Manual page 110

 Error code BF00
The document scanning position sensor detected that the document length was 400 mm or
longer and could not be fed to ADF (double-side restoration).
<User Check>
• Set the specified size paper.
Step
Document scanning position
1 actuator caught in some sections
of the machine
Document scanning position
2
sensor failure
3 Main PCB failure
 Error code C700
The memory is insufficient to expand the data of PC-Print.
Error code C800
The memory used to store secure print data exceeded the memory size for secure print data.
<User Check>
• Print the print data stored in the memory.
• Divide the print data and print them separately.
Step
1 Main PCB failure
 Error code D100
An error occurred while initializing the modem.
Error code D200
Detected that the modem PCB is not connected.
Step
Connection failure of the modem
1
flat cable
2 Modem flat cable failure
3 Modem PCB failure
4 Main PCB failure
Cause
Cause
Cause
2-70
Remedy
Reattach the document scanning position
actuator.
Replace the ADF unit.
Replace the main PCB ASSY.
Remedy
Replace the main PCB ASSY.
Remedy
Reconnect the modem flat cable.
Replace the modem flat cable.
Replace the modem PCB ASSY.
Replace the main PCB ASSY.
Confidential