Confidential
1-14
Error code 38
Print Unable 38
Turn the power off and then back on again.
THM (Thermistor) sensor failure
Error code 39
Print Unable 39
Turn the power off and then back on again.
HUM (Humidity) sensor failure
Step
Cause
Remedy
1
Harness connection failure of
THM/HUM sensor
Check the harness connection of the THM/HUM
sensor and reconnect it.
2
THM/HUM sensor failure
Replace the THM/HUM sensor holder ASSY.
3
Engine PCB failure
Replace the engine PCB ASSY.
Error code 3A
Print Unable 3A
Turn the power off and then back on again.
Error code 7C
Print Unable 7C
Turn the power off and then back on again.
Engine communication error
Step
Cause
Remedy
1
Harness connection failure
between engine PCB and
main PCB
Check the harness connection between the engine
PCB and main PCB, and reconnect it.
2
Engine PCB failure
Replace the engine PCB ASSY.
3
Main PCB failure
Replace the main PCB ASSY.
Summary of Contents for DCP-9040CN
Page 309: ...Confidential 4 5 8 Alert warning message of WHQL appears Click Continue Anyway to proceed ...
Page 325: ...Confidential 5 6 Color scanning Fig 5 2 ...
Page 342: ...Confidential 5 23 Cover page sample Fig 5 13 End page sample Fig 5 14 ...
Page 365: ...Confidential 6 2 Charge High voltage Power Supply PCB Circuit Diagram 2 4 ...
Page 366: ...Confidential 6 3 Charge High voltage Power Supply PCB Circuit Diagram 3 4 ...
Page 367: ...Confidential 6 4 Charge High voltage Power Supply PCB Circuit Diagram 4 4 ...
Page 368: ...Confidential 6 5 Transfer High voltage Power Supply PCB Circuit Diagram 1 2 ...
Page 369: ...Confidential 6 6 Transfer High voltage Power Supply PCB Circuit Diagram 2 2 ...
Page 370: ...Confidential 6 7 Low voltage Power Supply PCB Circuit Diagram 100V ...
Page 371: ...Confidential 6 8 Low voltage Power Supply PCB Circuit Diagram 200V ...
Page 373: ...Confidential 6 10 Filter PCB Circuit Diagram ...