Flash Download Commands - NCR 7167 Owner's Manual

7167 Owner's Manual

Flash Download Commands

These commands are used to load firmware into the printer.
The commands are listed in numerical order according to their hexadecimal codes. Each
command is described and the hexadecimal, decimal, and ASCII codes are listed.
There are three ways to enter the Download Mode.
1. Powering the printer up with DIP Switch 2 up.
2. While the printer is running normally, use the command Switch to Flash Download
3. If the Flash if found corrupted during Level 0 diagnostics the Download Mode is
The printer never goes directly from the Download Mode to normal printer operation. To
return to normal printer operation either the operator must turn the power off and then on
to reboot or the application must send a command to cancel Download Mode and reboot.
Switch to Flash Download Mode
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.
Example:
MSComm1.Output = Chr$(&H1B) & Chr$(&H5B) & Chr$(&H7D)
Request Printer ID
Returns ACK (06 hex) + 12 bytes ASCII string describing the Flash Memory Boot Sector
Firmware part number. Ex : 189-1234567A
Example:
MSComm1.Output = Chr$(&H1D) & Chr$(&H00)
Mode, to leave normal operation and enter the Download Mode.
automatically entered after the printer has reset.
ASCII: ESC [ }
Hexadecimal: 1B 5B 7D
Decimal: 27 91 125
ASCII: GS NUL
1D 00
Hexadecimal:
29 0
Decimal:
November 2002
Chapter 6: Commands
213