UP-5300 (serv.man6). Frequently asked questions (Aug 2002) - Sharp EPOS FAQ (repair manual). Page 6

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“Update failed 14080”
appears when signing on
with clerk you can the clear
the error but it appears
againg at sign on.
The problem occurs generally
after deleting the RTU and
UPINST folders, however
when you delete the files from
here you must ensure that
there is no customer
operation, taking place
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