Brother DCP-7030 Service Manual page 29

■ Error code 68
Print Unable 68
See Troubleshooting and routine maintenance chapter in User's Guide.
Fuser unit failure (The side thermistor detects higher temperature than the specified value.)
Error code 69
Print Unable 69
See Troubleshooting and routine maintenance chapter in User's Guide.
Fuser unit failure (The side thermistor detects lower temperature than the specified value.)
Error code 6A
Print Unable 6A
See Troubleshooting and routine maintenance chapter in User's Guide.
Fuser unit failure (The side thermistor does not detect 60°C within the specified time.)
Error code 6B
Print Unable 6B
See Troubleshooting and routine maintenance chapter in User's Guide.
Fuser unit failure (The center thermistor does not detect 100°C within the specified time.)
Error code 6C
Print Unable 6C
See Troubleshooting and routine maintenance chapter in User's Guide.
Fuser unit failure (The center thermistor detects higher temperature than the specified value.)
Error code 6D
Print Unable 6D
See Troubleshooting and routine maintenance chapter in User's Guide.
Fuser unit failure (The center thermistor detects lower temperature than the specified value.)
Error code 6E
Print Unable 6E
See Troubleshooting and routine maintenance chapter in User's Guide.
Fuser unit failure (The center thermistor does not detect temperature rising within the specified time.)
Error code 6F
Print Unable 6F
See Troubleshooting and routine maintenance chapter in User's Guide.
Fuser unit failure (The center and side thermistors detect extremely high temperature.)
Step
Fuser unit harness connection
1
failure
2 Fuser unit failure
3 LVPS PCB unit failure
4 Main PCB failure
Cause
1-11
Remedy
Check the harness connection of the fuser
unit and reconnect it.
Replace the fuser unit.
Replace the LVPS PCB unit.
Replace the main PCB ASSY.
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