Epson LQ-850X User Manual - Page 114
Using the Data Dump Mode, If the printer is on, switch it off; then hold down
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Using the Data Dump Mode The data dump mode is a special feature that makes it easy for experienced users to identify the cause of communication problems between the printer and application programs. The data dump mode gives a printout of the codes reaching the printer. To use the data dump mode, follow these steps: 1. Make sure that the printer is loaded with either single-sheet or continuous paper. 2. If the printer is on, switch it off; then hold down the FORM FEED and LINE FEED buttons at the same time you turn on the printer. 3-32 Using the Printer
Using the Data Dump Mode
The data dump mode is a special feature that makes it easy for
experienced users to identify the cause of communication problems
between the printer and application programs. The data dump mode
gives a printout of the codes reaching the printer.
To use the data dump mode, follow these steps:
1.
Make sure that the printer is loaded with either single-sheet or
continuous paper.
2.
If the printer is on, switch it off; then hold down the
FORM FEED
and
LINE FEED
buttons at the same time you turn on the printer.
3-32
Using the Printer