User manual
A630/A631/A632 Printer Series User Manual Page 54 / 63 Reference: FDE 3106894 Issue F
5.3.10.2.4 G
ET
F
LASH
F
IRMWARE
CRC
S
TATUS
Causes the printer to calculate the CRC for the Flash firmware code space and transmits the result.
This is performed normally after downloading completely a new firmware to verify that the downloaded
firmware is valid
The printer transmits ACK if the calculated CRC is correct; NAK if the CRC is incorrect
ASCII
GS ACK
Hexadecimal 1D 06
5.3.10.2.5 R
ETURN
B
OOT
S
ECTOR
CRC
Returns the CRC calculated over the boot sector code space.
ASCII
GS BEL
Hexadecimal 1D 07
Formulas:
ACK <low byte> <high byte>
5.3.10.2.6 E
RASE
A
LL
F
LASH
C
ONTENTS
E
XCEPT
B
OOT
S
ECTOR
Causes the entire flash memory to be erased.
The printer returns ACK if the command is successful; NAK if it is unsuccessful.
ASCII
GS SO
Hexadecimal 1D 0E
Exceptions
:
Available only in download mode.
5.3.10.2.7 R
ETURN
M
AIN
P
ROGRAM
F
LASH
CRC
Returns the CRC calculated over the flash firmware code space. The format of the response is ACK <low
byte> <high byte>.
ASCII
GS SI
Hexadecimal 1D 0F