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Data Dump Mode
Data dump mode is a special feature that allows experienced users
to find the cause of communication problems between the printer
and computer. In data dump mode, the printer produces an exact
printout of the codes it receives.
To use data dump mode, follow these steps:
1. Make sure the printer is off.
2. Hold down both the LF/FF and LOAD/EJECT buttons while you
turn on the printer.
3. Load the paper.
4. Next, run either an application program or a program you have
written in any programming language. Your printer prints all
the codes it receives, as shown below.
Data Dump Mode
1B
40 1B 50 1B 55 01
1B
33 1C 20 20 54 68 69 73 .@.P.U..3. This
20 20 69 73 20 61 6E 20 65 78 61 6D 70 6C 65 20 is an example
6F 66 20 61 20 64 61 74 61 20 64 75 6D 70 20 70 of a data dump p
72 69 6E 74 6F 75 74 2E 0D 0A 0A rintotlt...
5. To turn off data dump mode, press the PAUSE button to stop
printing and then turn the printer off.
Look at the data dump shown in step 4. On the left side of the
printout, all the codes are printed in hexadecimal format. On the
right side of the printout, the same codes appear as printable
characters or, if they are nonprintable codes-such as control
codes-they appear as dots.
By looking at either the characters printed in the text field or the
hex codes, you can see exactly what codes are being sent to the
printer.
3-24 Using the Printer