SATO M8485S Operator's Manual download pdf (Page 174)

4. 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.

• Your protocol codes are set for Standard or Non-Standard and

your data stream is consistent with these.

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

to try a Hex Dump to determine what (if anything) the printer is receiving from

your computer. See the User Test Print section, page 3-16.

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

M-8485S 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.

6. 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

nor 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 5: Programming for

information 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 7. Troubleshooting

Page 7-2 9001034 Rev E SATO “S” Print Engines

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SATO M8485S Operator's Manual Page 174