Message Indicating That The Report Is Full Does Not Disappear; Paper Tray Cannot Be Recognized - Brother DCP-7090 Service Manual

4.14.4Message indicating that the report is full does not disappear

<User Check>
• Output each report.
Step
1

4.14.5Paper tray cannot be recognized

<User Check>
• Close the paper tray properly.
Step
1
2
3
4
5
Cause
Main PCB failure
Cause
Connection failure of the T1
paper feed sensor harness
(non paper empty sensor
models only)
Connection failure of the T1
paper empty/paper feed
sensor harness
(paper empty sensor models
only)
T1 paper feed sensor PCB
failure
(non paper empty sensor
models only)
T1 paper empty/paper feed
sensor PCB failure
(paper empty sensor models
only)
Main PCB failure
Replace the main PCB ASSY.
Reconnect the T1 paper feed sensor
harness.
Reconnect the T1 paper empty/paper feed
sensor harness.
Replace the T1 paper feed sensor PCB
ASSY.
Replace the T1 paper empty/paper feed
sensor PCB ASSY.
Replace the main PCB ASSY.
2-117
Remedy
Remedy
Confidential