Roland JP-8080 Owner's Manual page 175

Since a write protect sticker is affixed to the memory
card, data could not be saved to the memory card.
Remove the write protect sticker from the memory
card.
The data in user memory has been damaged.
Contact your dealer or a nearby Roland service center
to repair.
User memory is full, and further recording or editing is
not possible.
Delete unneeded data (p.97, 102).
More MIDI data was received at once than could be han-
dled by the JP-8080.
Reduce the amount of MIDI data that is being received
by the JP-8080.
There is a problem with the MIDI cable connection.
Check that the MIDI cable has not been disconnected
or broken.
When the Voice Modulator panel was selected, you
moved an invalid slider/knob or pressed an invalid but-
ton.
When the Voice Modulator panel is selected, only the
sliders/knobs/buttons labeled in blue characters are
valid. (With the exception of the EFFECTS section
[VOICE MOD SEND].) (p.111)
MIDI messages could not be received correctly.
If this error message appears repeatedly, there is a
problem with the content of the MIDI messages.
The manufacturer/type of the memory card is not one
that is specified for the JP-8080.
Please use either an S2M-5 (2 M byte) or an S4M-5 (4 M
byte) memory card (p.128).
The memory card has not been formatted for the JP-
8080.
Format the memory card (p.129).
It is possible that the contents of the memory card have
been damaged.
Format the memory card (p.129).
The card does not contain JP-8080 data.
Use a card which contains JP-8080 data.
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