Brother PT-9500PC - P-Touch 9500pc B/W Thermal Transfer Printer, Руководство по обслуживанию

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[ 2 ] Reassembling the Head/Roller Holder Unit
(1) Connect the AV sensor PCB with the roller holder ASSY with a single screw.
Note: Pay attention not to have the AV sensor PCB harness between the substrate and the
screw boss.
Fig. 3.1-45 Reassembling the Head/Roller Holder Unit (1)
(2) Fit the roller holder release spring over the bottom end of the roller holder ASSY, with one
end of the roller holder release spring inserted into the groove in the roller holder. Insert the
upper end of the platen shaft into the upper slit of the head ASSY while slightly tilting the
roller holder ASSY.
Then insert the bottom end of the shaft into the lower slit of the head ASSY to reassemble
the roller holder ASSY.
At this time, check whether the roller holder release spring is caught in the correct spring
catching portion of the head ASSY.
(3) After inserting the roller holder shaft from the bottom of the head ASSY, then secure the shaft
using the retaining ring. Verify the smooth rotation of the roller holder ASSY, pushing the
backside of the roller holder ASSY under this condition.
Note 1: The roller release spring must be caught the correctportion of the head ASSY.
Note 2: Pass the AV sensor harness over the roller holder release spring as indicating in “A”
shown below, when assembling the roller holder ASSY to the head ASSY.
Fig. 3.1-46 Reassembling the Head/Roller Holder Unit (2)
Platen roller
Roller holder release spring
AV sensor PCB
Roller holder ASSY
Screw
AV sensor PCB
Head ASSY
Roller holder
ASSY
“A”
Head ASSY
Roller holder release spring