Data From Host Is Not Printed Normally - Samsung SRP-275 Service Manual

F. Data from host is not printed normally
Rev. 2.00
F
Send data from host to printer
OK?
NO
Are interface
parameters set to
identical values at host and
printer?
YES
Does interface cable
match specifications?
YES
Replace interface PCB ass'y
OK?
NO
Is the interface
wire broken?
NO
Replace printer mechanism ass'y
OK?
NO
Check the host
YES
END
NO
Make settings identical
OK?
NO
YES
END
NO
Replace with a proper cable
NO
OK?
YES
END
YES
END
YES
Replace the interface cable
OK?
NO
YES
END
YES
END
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SRP-275