Brother LX-1200, Service Manual

Page: 169 / 175

7-19
12
Incorrect cutting in Y direction.
a. Incorrect Y-direction cutting position.
b. Defective Y-cutter.
Problem Check Item Cause Remedy Repair
See
Section
Does the right cutter move
when the mode is changed? Y-cutter guide R and
adjustment plate
incorrectly installed. Correctly
reassemble the
body cover.
Does the left cutter move
when the Y-carriage
moves? Y-cutter arm and Y-
cutter guide incorrectly
installed. Correctly
reassemble Y-cutter
arm.
3.3.3
3.3.4
3.3.5
3.7
4.12
Right cut position is always
displaced in one direction. Incorrect adjustment
of slide plates. Readjust.
−−−
Left cut position is always
displaced in one direction. Incorrect adjustment
of Y-sensor unit. Readjust the Y-
sensor unit.
−−−
a. Incorrect Y-
direction
cutting position
Does Y-cutter arm move
smoothly? Defective Y-cutter arm
movement. Apply KS64F silicon
grease to Y-cutter
arm shaft and
sensor shaft. 3.3.1
3.3.3
3.3.4
3.3.5
3.4
Is the Y-cutter unit correctly
installed? Incorrectly installed Y-
cutter unit. Correctly install the
Y-cutter unit. b. Defective Y-
cutter
Y-cutter makes jagged
cuts? Defective Y-cutter
unit. Replace Y-cutter
unit.
4.18