Casio 140CR-272 Service Manual page 11

D-7. Remove two hooks and then remove the TR-CASE.
Use caution as the ENCLOSURE also comes off when disengaging the TR-CASE.
ASSEMBLING TIPS:
When assembling the TR-CASE, sandwich the MAIN PCB with the TR-CASE and the ENCLOSURE
and then engage it with hooks.
Hook
ENCLOSURE
Hook
D-8. Unsolder two FCCs on the MAIN PCB.
D-9. Unsolder a FCC on the PRINTER.
FFC
Hooks
TR-CASE
FFCs
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Soldered parts
Soldered parts