A794 Owner’s Guide | Chapter 6: Programming Information |
Erase All Flash Contents Except Boot Sector
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 |
Decimal | 29 14 |
Exceptions
Available only in download mode.
Return Main Program Flash 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 |
Decimal | 29 15 |
Erase Selected Flash Sector
Erases the previously selected sector. The printer transmits ACK when the sector has been erased. If the previous sector is not successfully erased, or if no sector was selected, the printer transmits NAK.
ASCII | GS DLE n |
Hexadecimal | 1D 10 n |
Decimal | 29 16 n |
Value and Range of n | 256k bytes Flash |
1M bytes Flash | |
2M bytes Flash |
Exceptions
Available only in download mode.
March 1999 | 125 |