Sato CT410 Manuel d'utilisateur télécharger pdf (Page 153)

a. Both ends of the cable are securely inserted into their respective connectors.

b. The printer is ON-LINE.

c. The cable is not defective. There are other things that can cause this error

message on your computer, but at this stage, a defective cable may be one

of the reasons.

5. When you send the print job to the printer and it does not respond, and

there is no error message on the PC:

a. Check your data stream for some of the basics. Is your job framed as

follows?

<ESC>A—DATA—<ESC>Z

b. Verify that you’ve included all required parameters in the data stream.

c. Verify the following:

• You have not typed a “0” (zero) for an “O” (letter) or vice-versa.

• You have not missed any <ESC> characters where they’re needed.

• Make sure all printer command codes are capital letters.

6. If you’ve checked all of the above and the printer still isn’t printing, you may

want to try a Buffer Hex Dump to determine what (if anything) the

printer is receiving from your computer. See Printing Test Labels in

Section 2.

The Parallel port is now listening for incoming data. Send your print job. The

printer will now print (only once) a Hexadecimal (Hex) Dump of

everything it received from the host computer. Each 2-digit hexadecimal

character represents a character the printer received. It may be tedious,

but now you can analyze and troubleshoot the data stream.

7. While checking the Hex Dump printout, if you notice 0D 0A (Carriage

Return and Line Feed) characters throughout. The command string should

be continuous and no CR or LF characters are allowed between the Start

Command (<ESC>A) and the Stop Command (<ESC>Z). If you are

using BASIC, it may be adding these characters automatically as the line

wraps. Adding a “width” statement to your program can help to suppress

these extra 0D 0A characters by expanding the line length up to 255

characters. See the beginning of Section 4: Command Codes for details on

writing a program in BASIC.

If you’re not programming in BASIC, check to see if you have an equivalent

statement in the language you’re using to suppress extra carriage returns

and line feeds from your data being sent out to the printer. We want the

data stream to be one complete line going to the printer.

Section 6. Troubleshooting

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Sato CT410 Manuel d'utilisateur Page 153