Brother HL-2400C - Page 260

VIII-14
Does the error repeat after turning the power switch on and off?
Does the error repeat after carrying out the "C3 Error Clearance Method" ?
NO
NO
Replace the failed MCTL PCB with a new one.
C3
C3
Code Description of Error
NVRAM Error
Cause of Error
1. Turn off and on the power switch.
2. If method 1 does not work, carry out the "C3 Error Clearance Procedure".
3. Replace the failed MCTL PCB with a new one.
Clearance Method
C4
Hard Error of MCTL
Control Circuit.
1. Failure of MCTL PCB.
1. Turn off and on the power switch.
2. Replace the failed MCTL PCB with a new MCTL PCB.
Does the error repeat after turning the power switch off and on?
The printer is OK.
NO
Replace the failed MCTL PCB with a new one.
C4
YES
YES
YES
Chart 8-4 Troubleshooting
The printer is OK.
Code Description of Error Cause of Error Clearance Method
1. Failure of MCTL PCB.
• CPU
• EEPROM
The printer is OK.