Problems And Solutions - Epson DLQ-3000+ User Manual

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 being received by the printer. 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 exit the hex dump mode and continue printing normally,
press the Pause button and eject any paper with the
Load/Eject button if necessary, or turn off the printer.

Problems and Solutions

This section divides printer problems into four categories:
Power supply . . . . page 8-8
Paper handling . . . page 8-9
Operation . . . . . . . page 8-17
Printout . . . . . . . . page 8-19
Troubleshooting
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8-7