User manual

A630/A631/A632 Printer Series User Manual Page 53 / 63 Reference: FDE 3106894 Issue F
5.3.10.2 Commands
5.3.10.2.1 S WITCH TO F LASH D OWNLOAD M ODE
Puts the printer in flash download mode in preparation to receive commands controlling the downloading
of objects into flash memory. When this command is received, the printer leaves normal operation and can
no longer print transactions until the Reboot the Printer command (1D FF) is received or the printer is
rebooted.
This command does not affect the current communication parameters. Once the printer is in flash
download mode, this command is no longer available.
ASCII
ESC [ }
Hexadecimal 1B 5B 7D
5.3.10.2.2 R ETURN F LASH M EMORY S IZE
Returns the size of the flash used. There are 4 sectors (64K each) in flash memory. This command assures
that the firmware to be downloaded is the appropriate size for flash memory.
ASCII
GS SOH
Hexadecimal 1D 01
The returned value corresponds to the highest sector number that can be accepted by the Select Sector to
Download (1D 02 nn) command:
03 = 256 Kbytes Flash
Exceptions:
Available only in download mode.
5.3.10.2.3 S ELECT F LASH M EMORY S ECTOR TO D OWNLOAD
Selects the flash sector (nn) for which the next download operation applies. The values of the possible
sector are restricted, depending upon the flash part type. The printer transmits an ACK if the sector
number is acceptable or an NAK if the sector number is not acceptable. Sector numbers start at 0
ASCII
GS STX nn
Hexadecimal 1D 02 nn
Value and Range of n
0-3 = 256k bytes Flash
Exceptions:
Available only in download mode.