Brother CE-5500PRW Service Manual page 166

Failure Investigation
for Electronic Parts
Is the main PCB assy. attached
correctly?
Is the timing shutter of the upper
shaft dirty?
Replace the main PCB assy.
Replace the SSVR PCB assy.
Replace the main PCB assy.
Error message is displayed
"F5" is displayed.
Y
Y
"F7" is displayed.
or
N
Attach the main PCB assy.
correctly.
N
Clean the timing shutter.
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