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Epson Stylus Photo PX650/TX650/TX659/PX660/PX660 Premium/Artisan 635
Revision C
PRODUCT DESCRIPTION
Specifications of Each Function
26
Confidential
1.7.3 Backup Function
The Backup Memory Card function provided in the Setup mode allows the user to
make a backup copy of a memory card on a media in an external device. Printing the
backed up images directly from the external device also can be made.
1.7.3.1 Backup Function Specifications
Note *1: A backup on 700MB or larger size CD-R is not ensured.
*2: The CD-R/DVD-R must be formatted as described in
Table 1-24
.
*3: The printer cannot recognize USB flash memory that incorporates a hub.
Note *1: As a backup to CD/DVD media requires time, a folder hierarchy definition file
(EPBKINF.DAT) is first created under the backup folder.
*2: xxx stands for a 3-digit number. The number is automatically assigned from 001 in
each folder of directory.
Other restrictions on the backup function
The printer does not have the function to write a backup data on an external
media back to a memory card in order to prevent the possible corruption of
data.
Since the printer does not have calendar function, created date and time of
backup files is the date and time initially assigned or updated by a device
other than the printer.
Table 1-27. Basic Specifications
Item
Specification
Source media
A memory card conforms to the specifications described in
Table 1-24
,
and that is inserted into the active slot.
Destination media
Supports the following media in an external device connected via the
USB Host port. (See
Table 1-13 ?USB Interface Specification? on
page 18
for information on the available external devices)
• MO:
128MB/230MB/640MB/1.3GB
• CD-R:
650MB/700MB
*1,2
• DVD-R: 4.7GB
*2
• USB flash memory
*3
Target files
All image files in the source media except the following files.
• Files that have hidden attribute or system attribute.
• Files of which the size is 0 (zero) byte.
Operations disabled
during the backup
In order to prevent the possible corruption of data, the following
operations are disabled during the backup.
• Access from a computer or via a network
• Automatic ejection of the destination media
• ON/OFF of the printer power
C H E C K
P O I N T
Due to the file system restriction, a backup of a memory card
that has eight or more levels deep in folder hierarchy cannot be
made on an ISO9660 Level 1-formatted CD-R.
Due to the logical format of the CD/DVD, the pathname length
is restricted as described below;
• Destination media: ISO9660: up to 255 byte
Joliet: up to 240 byte
• Source media: Memory card (FAT12/16/32): up to 260 byte
Table 1-28. Specifications on Writing Backup Data
Item
Specification
Folder hierarchy
A backup folder is automatically created on the destination media to save
the backup data keeping the original folder hierarchy
*1
under the folder. A
number (001 to 999) is assigned as the folder name.
Format
The printer automatically formats the destination media in a supported
format if the media is rewritable and detected as unformatted or formatted
in unsupported format.
File name
Because ISO9660 Level1 format is used to write backup data to a CD/
DVD, double-byte characters are not allowed to be used for the folder or
directory names. Any file or directory names that include double-byte
characters are automatically changed in accordance with the rule
described below.
• A file name is changed to “EPSONxxx”
*2
• A directory name is changed to “EPDIRxxx”
*2
• Replaces an unsupported character in the extension with “_” (underbar)
C H E C K
P O I N T
The maximum number of writing times
• FAT12/16-formatted media: up to 512 times (001 to 512)
If any files other than backup folders exist in the route directly, the max.
number of writings becomes less than 512 due to the MS-DOS restriction.
When more than 512 times of writing history of an inserted MO is detected,
the printer handles it as a backup error (file name, to folder hierarchy error).
• CD-R:
640MB: up to 47 times
700MB: up to 50 times
This is because each session information must be saved.
• DVD-R: 4.7GB: up to 274 times
This is because each session information must be saved.
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