Brother HL-S7000DN Service Manual page 249

Note:
Wipe the needle section within the range shown in the figure below.
The red circle mark on the head joint must not be moved beyond the dotted line.
If that is not followed, the tube may be broken or come out causing an ink leak. If the
tube is broken or comes out, replace the sub tank ASSY as the tube cannot be reused.
A view
OK
Head joint
Head
OK
Head joint
B view
<A view>
<B view>
Head
Fig. 3-86
3-81
Head joint
Head
NG
NG
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