Printronix T4204 Maintenance Manual page 131

command decompresses the file on the diskette and copies it as a binary
file into the flash memory on the printer controller PCBA.
NOTE: If you are loading the file using the LPT2 port on the computer, enter
18. While the file is copied into memory, the printer LCD informs you of the
load process and status. (See Table 5 below.) When the new program
has successfully loaded into memory and the printer has reset itself, set
the printer power switch to O (off).
19. Unplug the AC power cord from the printer.
20. Remove the diskette from the computer and store it with the printer.
21. Power off the computer.
22. If you had to install a data cable to the computer and printer in step 6,
disconnect it from the computer and printer.
23. Reconnect the customer's data input cable(s) to the printer, if required.
24. Using the configuration printout(s) you made in step 1, reconfigure the
printer. (Refer to the User's Manual .)
25. Return the printer to normal operation.
Message
CLEARING PROGRAM
FROM FLASH
TESTING HARDWARE
PLEASE WAIT
DIAGNOSTIC
PASSED
the following DOS command:
FILENAME.EXE -pb2 <Return>
If you are loading the file through the printer serial port, enter the
following DOS commands:
MODE COM1:9600,N,8,1,P<Return>
FILENAME.EXE -pbc1<Return>
The 9600 baud rate is the only selection older versions of DOS can
use. The baud rate information entered in the DOS command above
must match the baud rate you selected in step 15.
Table 5. Flash Memory Message Guide
Explanation
The program successfully
loaded into printer RAM and
the checksum matched. The
old program is now being
deleted from flash memory.
Printer status message while
downloading.
The printer passed its memory
and hardware initialization
tests.
Required Action
None
None
None
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