Brother DCP-7055 Service Manual page 65

■ Error code 1F
These errors do not usually occur in the normal use. The conceivable causes are noise around
the installation site, fluctuation of the power supply voltage, and failures in the software.
Too Many Trays
Maximum number of optional trays is one. Remove additional trays.
Error, which cannot be specified, occurs.
Error code 20
Print Unable 20
Turn the power off and then back on again.
Error, which cannot be specified, occurs.
Error code 21
Print Unable 21
Turn the power off and then back on again.
Error, which cannot be specified, occurs.
Error code 22
Print Unable 22
Turn the power off and then back on again.
Error, which cannot be specified, occurs.
Error code 23
Print Unable 23
Turn the power off and then back on again.
Error, which cannot be specified, occurs.
<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Step
1 Main PCB failure
■ Error code 24
Print Unable 24
Turn the power off and then back on again.
Internal temperature sensor error.
Step
Harness connection failure of
1
internal temperature sensor
2 Internal temperature sensor failure Replace the internal temperature sensor.
3 Main PCB failure
Cause
Cause
2-28
Remedy
Replace the main PCB ASSY.
Remedy
Check the harness connection of internal
temperature sensor and reconnect it.
Replace the main PCB ASSY.
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