9 ] The Tape Is Fed, But The Error Message Appears Shortly - Brother TD-4000 Service Manual

[ 9 ] The tape is fed, but the error message appears shortly.

The tape is fed, but the error
message appears shortly.
Is the VR adjustment
performed correctly?
* Refer to "APPENDIX 1
SERVICEMAN SOFTWARE
TOOL".
Is the flat cable of the
tape sensor ASSY damaged?
Is the tape sensor ASSY
assembled onto the upper cover
correctly?
Is the waveform of CN13
on the main PCB normal?
Replace the main PCB ASSY.
* At this timing, implement "APPENDIX 1
SERVICEMAN SOFTWARE TOOL" again.
N
Y
Y
N
N
Y
N
Y
IV - 11
Correct the adjustment.
Replace the tape sensor
PCB ASSY.
* At this timing, implement "APPENDIX 1
SERVICEMAN SOFTWARE TOOL" again.
Re-assemble the tape sensor
ASSY correctly.
* At this timing, implement "APPENDIX 1
SERVICEMAN SOFTWARE TOOL" again.
Replace the tape sensor
PCB ASSY.
* At this timing, implement "APPENDIX 1
SERVICEMAN SOFTWARE TOOL" again.