Epson DFX-9000 User Manual

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Problem Solver
109
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3. Open a software program and send a print job to the printer. 
Your printer prints all the codes it receives in hexadecimal 
format.
By comparing the characters printed in the right column with 
the printout of the hexadecimal codes, you can check the 
codes the printer is receiving. If characters are printable, they 
appear in the right column as ASCII characters. Nonprintable 
codes, such as control codes, are represented by dots.
4. To turn off hex dump mode, press the Pause button, and then 
turn off the printer.
c
Caution:
Do not turn off the printer while it is printing the hex dump. 
Always press the 
Pause button to stop printing and then turn 
off the printer.
Problems and Solutions
Most problems you may encounter while operating your printer 
have simple solutions. Use the information in this section to find 
the source of and solution to printer problems that occur.