Panasonic DP-C266 Operating Instructions Manual page 36

Resolution
The finer an original to be scanned, the
more information needs to be transmitted,
thus, requiring a longer communication time.
If "S-Fine" or "600dpi" is selected, and the
receiving station does not support these
resolutions, originals will be transmitted with
resolution of the receiver's capability.
6
Select "Address Book", and then
select a destination.
Refer to Entering a Destination (see page
20).
7
Press the Start key.
The original(s) are stored into memory with a
file number. Then starts dialing the telephone
number.
36
Select for ordinary
originals.
Select for originals
containing small
characters or graphics.
Select for fine originals
containing detailed
drawings or text.