8 ] The Tape Is Not Fed Correctly - Brother TD-4000 Service Manual

[ 8 ] The tape is not fed correctly.

N
Replace the gears.
The tape feed is not correctly.
Try to print after replace
a new tape cassette.
Is tape feed normal?
N
Is the paper
passed under the
insert guide? (Is the paper set
between the transmission sensor?)
Is the paper set at the
prescribed position?
(Cutter paper guide
position)
Y
Is paper dust on the platen?
N
Is the head pressure
3.0kgf 10% at the roller
center?
Y
Does the motor rotate?
Y
Do the gears rotate?
Y
The platen is defective.
Replace the platen.
Repair completed.
Y
The old tape cassette
is defective.
N
Insert the paper
correctly.
Clean the platen.
Y
Is the head spring
attached correctly?
N
Y
Replace the head spring.
N
Is the motor connected
correctly?
Y
Is the motor harness
damaged?
Y
Are ON/OFF
activities of each pin
of CN10 normal?
Y
The motor ASSY is defective.
Replace the motor ASSY.
IV - 10
Attach the
N
head spring
correctly.
N
Correct the
connection.
Replace the
N
motor ASSY.
N
Replace the
main PCB ASSY.